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|
#! /bin/sh
#
# If these # comments don't work, trim them. Don't worry about any other
# shell scripts, Configure will trim # comments from them for you.
#
# (If you are trying to port this package to a machine without sh,
# I would suggest you have a look at the prototypical config_h.SH file
# and edit it to reflect your system. Some packages may include samples
# of config.h for certain machines, so you might look for one of those.)
#
# Yes, you may rip this off to use in other distribution packages. This
# script belongs to the public domain and cannot be copyrighted.
#
# (Note: this Configure script was generated automatically. Rather than
# working with this copy of Configure, you may wish to get metaconfig.
# The dist-3.0 package (which contains metaconfig) was posted in
# comp.sources.misc so you may fetch it yourself from your nearest
# archive site. Check with Archie if you don't know where that can be.)
#
# $Id: Head.U,v 3.0.1.8 1995/07/25 13:40:02 ram Exp $
#
# Generated on Sat Feb 1 00:26:40 EST 1997 [metaconfig 3.0 PL60]
cat >/tmp/c1$$ <<EOF
ARGGGHHHH!!!!!
SCO csh still thinks true is false. Write to SCO today and tell them that next
year Configure ought to "rm /bin/csh" unless they fix their blasted shell. :-)
(Actually, Configure ought to just patch csh in place. Hmm. Hmmmmm. All
we'd have to do is go in and swap the && and || tokens, wherever they are.)
[End of diatribe. We now return you to your regularly scheduled programming...]
EOF
cat >/tmp/c2$$ <<EOF
OOPS! You naughty creature! You didn't run Configure with sh!
I will attempt to remedy the situation by running sh for you...
EOF
true || cat /tmp/c1$$ /tmp/c2$$
true || exec sh $0 $argv:q
(exit $?0) || cat /tmp/c2$$
(exit $?0) || exec sh $0 $argv:q
rm -f /tmp/c1$$ /tmp/c2$$
: compute my invocation name
me=$0
case "$0" in
*/*)
me=`echo $0 | sed -e 's!.*/\(.*\)!\1!' 2>/dev/null`
test "$me" || me=$0
;;
esac
: Proper PATH separator
p_=:
: On OS/2 this directory should exist if this is not floppy only system :-]
if test -d c:/. -a -n "$OS2_SHELL"; then
p_=\;
PATH=`cmd /c "echo %PATH%" | tr '\\\\' / `
OS2_SHELL=`cmd /c "echo %OS2_SHELL%" | tr '\\\\' / | tr '[A-Z]' '[a-z]'`
fi
: Proper PATH setting
paths='/bin /usr/bin /usr/local/bin /usr/ucb /usr/local /usr/lbin'
paths="$paths /opt/bin /opt/local/bin /opt/local /opt/lbin"
paths="$paths /usr/5bin /etc /usr/gnu/bin /usr/new /usr/new/bin /usr/nbin"
paths="$paths /opt/gnu/bin /opt/new /opt/new/bin /opt/nbin"
paths="$paths /sys5.3/bin /sys5.3/usr/bin /bsd4.3/bin /bsd4.3/usr/ucb"
paths="$paths /bsd4.3/usr/bin /usr/bsd /bsd43/bin /usr/ccs/bin"
paths="$paths /etc /usr/lib /usr/ucblib /lib /usr/ccs/lib"
paths="$paths /sbin /usr/sbin /usr/libexec"
for p in $paths
do
case "$p_$PATH$p_" in
*$p_$p$p_*) ;;
*) test -d $p && PATH=$PATH$p_$p ;;
esac
done
PATH=.$p_$PATH
export PATH
: This should not matter in scripts, but apparently it does, sometimes
case "$CDPATH" in
'') ;;
*) CDPATH='' ;;
esac
: Sanity checks
# WRONG: This makes it impossible to compile perl non-interactively
#if test ! -t 0; then
# echo "Say 'sh $me', not 'sh <$me'"
# exit 1
#fi
: Test and see if we are running under ksh, either blatantly or in disguise.
if (PATH=.; alias -x) >/dev/null 2>&1; then
: running under ksh. Is this a good thing?
if test -d /usr/lpp -a -f /usr/bin/bsh -a -f /usr/bin/uname ; then
if test X`/usr/bin/uname -v` = X4 ; then
: on AIX 4, /bin/sh is really ksh, and it causes us problems.
: Avoid it
cat <<'EOM'
(Feeding myself to /usr/bin/bsh to avoid AIX 4's /bin/sh.)
EOM
unset ENV
exec /usr/bin/bsh $0 "$@"
fi
else
if test ! -f /hp-ux ; then
: Warn them if they use ksh on other systems
cat <<EOM
(I see you are using the Korn shell. Some ksh's blow up on $me,
especially on older exotic systems. If yours does, try the Bourne
shell instead.)
EOM
unset ENV
fi
fi
else
: Not running under ksh. Maybe we should be?
: On HP-UX, large Configure scripts may exercise a bug in /bin/sh
if test -f /hp-ux -a -f /bin/ksh; then
cat <<'EOM'
(Feeding myself to ksh to avoid nasty sh bug in "here document" expansion.)
EOM
unset ENV
exec /bin/ksh $0 "$@"
fi
fi
: Configure runs within the UU subdirectory
test -d UU || mkdir UU
cd UU && rm -f ./*
dynamic_ext=''
extensions=''
known_extensions=''
static_ext=''
useopcode=''
useposix=''
d_bsd=''
d_eunice=''
d_xenix=''
eunicefix=''
Mcc=''
awk=''
bash=''
bison=''
byacc=''
cat=''
chgrp=''
chmod=''
chown=''
comm=''
compress=''
cp=''
cpio=''
cpp=''
csh=''
date=''
echo=''
egrep=''
emacs=''
expr=''
find=''
flex=''
gcc=''
grep=''
gzip=''
inews=''
ksh=''
less=''
line=''
lint=''
ln=''
lp=''
lpr=''
ls=''
mail=''
mailx=''
mkdir=''
more=''
mv=''
nroff=''
perl=''
pg=''
pmake=''
pr=''
rm=''
rmail=''
sed=''
sendmail=''
shar=''
sleep=''
smail=''
sort=''
submit=''
tail=''
tar=''
tbl=''
test=''
touch=''
tr=''
troff=''
uname=''
uniq=''
uuname=''
vi=''
zcat=''
zip=''
full_sed=''
libswanted=''
hint=''
myuname=''
osname=''
osvers=''
Author=''
Date=''
Header=''
Id=''
Locker=''
Log=''
RCSfile=''
Revision=''
Source=''
State=''
ar=''
archobjs=''
exe_ext=''
firstmakefile=''
lib_ext=''
obj_ext=''
path_sep=''
afs=''
alignbytes=''
archlib=''
archlibexp=''
d_archlib=''
installarchlib=''
archname=''
myarchname=''
baserev=''
bin=''
binexp=''
installbin=''
bincompat3=''
d_bincompat3=''
byteorder=''
cc=''
gccversion=''
ccflags=''
cppflags=''
ldflags=''
lkflags=''
locincpth=''
optimize=''
cf_email=''
cf_by=''
cf_time=''
contains=''
cpp_stuff=''
cpplast=''
cppminus=''
cpprun=''
cppstdin=''
d_access=''
d_alarm=''
d_attribut=''
d_bcmp=''
d_bcopy=''
d_bzero=''
d_casti32=''
castflags=''
d_castneg=''
d_chown=''
d_chroot=''
d_chsize=''
d_closedir=''
d_void_closedir=''
d_const=''
cryptlib=''
d_crypt=''
d_csh=''
full_csh=''
d_cuserid=''
d_dbl_dig=''
d_difftime=''
d_dlerror=''
d_dlopen=''
d_dlsymun=''
d_dosuid=''
d_suidsafe=''
d_dup2=''
d_fchmod=''
d_fchown=''
d_fcntl=''
d_fd_macros=''
d_fd_set=''
d_fds_bits=''
d_fgetpos=''
d_flexfnam=''
d_flock=''
d_fork=''
d_fsetpos=''
d_ftime=''
d_gettimeod=''
d_Gconvert=''
d_getgrps=''
d_setgrps=''
d_gethent=''
aphostname=''
d_gethname=''
d_phostname=''
d_uname=''
d_getlogin=''
d_getpgid=''
d_getpgrp2=''
d_bsdgetpgrp=''
d_getpgrp=''
d_getppid=''
d_getprior=''
d_gnulibc=''
d_htonl=''
d_inetaton=''
d_isascii=''
d_killpg=''
d_link=''
d_locconv=''
d_lockf=''
d_lstat=''
d_mblen=''
d_mbstowcs=''
d_mbtowc=''
d_memcmp=''
d_memcpy=''
d_memmove=''
d_memset=''
d_mkdir=''
d_mkfifo=''
d_mktime=''
d_msg=''
d_msgctl=''
d_msgget=''
d_msgrcv=''
d_msgsnd=''
d_nice=''
d_open3=''
d_fpathconf=''
d_pathconf=''
d_pause=''
d_pipe=''
d_poll=''
d_portable=''
d_readdir=''
d_rewinddir=''
d_seekdir=''
d_telldir=''
d_readlink=''
d_rename=''
d_rmdir=''
d_safebcpy=''
d_safemcpy=''
d_sanemcmp=''
d_select=''
d_sem=''
d_semctl=''
d_semget=''
d_semop=''
d_setegid=''
d_seteuid=''
d_setlinebuf=''
d_setlocale=''
d_setpgid=''
d_setpgrp2=''
d_bsdpgrp=''
d_bsdsetpgrp=''
d_setpgrp=''
d_setprior=''
d_setregid=''
d_setresgid=''
d_setresuid=''
d_setreuid=''
d_setrgid=''
d_setruid=''
d_setsid=''
d_sfio=''
usesfio=''
d_shm=''
d_shmat=''
d_shmatprototype=''
shmattype=''
d_shmctl=''
d_shmdt=''
d_shmget=''
d_sigaction=''
d_sigsetjmp=''
d_oldsock=''
d_socket=''
d_sockpair=''
sockethdr=''
socketlib=''
d_statblks=''
d_stdio_cnt_lval=''
d_stdio_ptr_lval=''
d_stdiobase=''
d_stdstdio=''
stdio_base=''
stdio_bufsiz=''
stdio_cnt=''
stdio_ptr=''
d_index=''
d_strchr=''
d_strcoll=''
d_strctcpy=''
d_strerrm=''
d_strerror=''
d_sysernlst=''
d_syserrlst=''
d_strtod=''
d_strtol=''
d_strtoul=''
d_strxfrm=''
d_symlink=''
d_syscall=''
d_sysconf=''
d_system=''
d_tcgetpgrp=''
d_tcsetpgrp=''
d_time=''
timetype=''
clocktype=''
d_times=''
d_truncate=''
d_tzname=''
d_umask=''
d_vfork=''
usevfork=''
d_voidsig=''
signal_t=''
d_volatile=''
d_charvspr=''
d_vprintf=''
d_wait4=''
d_waitpid=''
d_wcstombs=''
d_wctomb=''
dlext=''
cccdlflags=''
ccdlflags=''
dlsrc=''
ld=''
lddlflags=''
usedl=''
fpostype=''
gidtype=''
groupstype=''
h_fcntl=''
h_sysfile=''
db_hashtype=''
db_prefixtype=''
i_db=''
i_dbm=''
i_rpcsvcdbm=''
d_dirnamlen=''
direntrytype=''
i_dirent=''
i_dld=''
i_dlfcn=''
i_fcntl=''
i_float=''
i_gdbm=''
i_grp=''
i_limits=''
i_locale=''
i_malloc=''
i_math=''
i_memory=''
i_ndbm=''
i_neterrno=''
i_niin=''
i_sysin=''
d_pwage=''
d_pwchange=''
d_pwclass=''
d_pwcomment=''
d_pwexpire=''
d_pwquota=''
i_pwd=''
i_sfio=''
i_stddef=''
i_stdlib=''
i_string=''
strings=''
i_sysdir=''
i_sysfile=''
d_voidtty=''
i_bsdioctl=''
i_sysfilio=''
i_sysioctl=''
i_syssockio=''
i_sysndir=''
i_sysparam=''
i_sysresrc=''
i_sysselct=''
i_sysstat=''
i_systimes=''
i_systypes=''
i_sysun=''
i_syswait=''
i_sgtty=''
i_termio=''
i_termios=''
i_systime=''
i_systimek=''
i_time=''
timeincl=''
i_unistd=''
i_utime=''
i_values=''
i_stdarg=''
i_varargs=''
i_varhdr=''
i_vfork=''
intsize=''
longsize=''
shortsize=''
libc=''
libperl=''
shrpenv=''
useshrplib=''
glibpth=''
libpth=''
loclibpth=''
plibpth=''
xlibpth=''
libs=''
lns=''
lseektype=''
make=''
make_set_make=''
d_mymalloc=''
freetype=''
mallocobj=''
mallocsrc=''
malloctype=''
usemymalloc=''
installman1dir=''
man1dir=''
man1direxp=''
man1ext=''
installman3dir=''
man3dir=''
man3direxp=''
man3ext=''
huge=''
large=''
medium=''
models=''
small=''
split=''
modetype=''
mydomain=''
myhostname=''
phostname=''
c=''
n=''
d_eofnblk=''
eagain=''
o_nonblock=''
rd_nodata=''
groupcat=''
hostcat=''
passcat=''
d_oldarchlib=''
oldarchlib=''
oldarchlibexp=''
orderlib=''
ranlib=''
package=''
spackage=''
pager=''
patchlevel=''
subversion=''
perladmin=''
perlpath=''
prefix=''
prefixexp=''
installprivlib=''
privlib=''
privlibexp=''
prototype=''
randbits=''
installscript=''
scriptdir=''
scriptdirexp=''
selecttype=''
sh=''
sig_name=''
sig_num=''
installsitearch=''
sitearch=''
sitearchexp=''
installsitelib=''
sitelib=''
sitelibexp=''
sizetype=''
so=''
sharpbang=''
shsharp=''
spitshell=''
ssizetype=''
startperl=''
startsh=''
stdchar=''
sysman=''
uidtype=''
nm_opt=''
nm_so_opt=''
runnm=''
usenm=''
useperlio=''
incpath=''
mips=''
mips_type=''
usrinc=''
defvoidused=''
voidflags=''
CONFIG=''
define='define'
undef='undef'
smallmach='pdp11 i8086 z8000 i80286 iAPX286'
rmlist=''
: We must find out about Eunice early
eunicefix=':'
if test -f /etc/unixtovms; then
eunicefix=/etc/unixtovms
fi
if test -f /etc/unixtovms.exe; then
eunicefix=/etc/unixtovms.exe
fi
: list of known cpp symbols, sorted alphabetically
al="AMIX BIT_MSF BSD BSD4_3 BSD_NET2 CMU CRAY DGUX DOLPHIN DPX2"
al="$al GO32 GOULD_PN HP700 I386 I80960 I960 Lynx M68000 M68K MACH"
al="$al MIPSEB MIPSEL MSDOS MTXINU MULTIMAX MVS"
al="$al M_COFF M_I186 M_I286 M_I386 M_I8086 M_I86 M_I86SM"
al="$al M_SYS3 M_SYS5 M_SYSIII M_SYSV M_UNIX M_XENIX"
al="$al NeXT OCS88 OSF1 PARISC PC532 PORTAR POSIX"
al="$al PWB R3000 RES RISC6000 RT Sun386i SVR3 SVR4"
al="$al SYSTYPE_BSD SYSTYPE_SVR4 SYSTYPE_SYSV Tek4132 Tek4300"
al="$al UMAXV USGr4 USGr4_2 UTEK UTS UTek UnicomPBB UnicomPBD Utek"
al="$al VMS Xenix286"
al="$al _AIX _AIX32 _AIX370 _AM29000 _COFF _CRAY _CX_UX _EPI"
al="$al _IBMESA _IBMR2 _M88K _M88KBCS_TARGET"
al="$al _MIPSEB _MIPSEL _M_COFF _M_I86 _M_I86SM _M_SYS3"
al="$al _M_SYS5 _M_SYSIII _M_SYSV _M_UNIX _M_XENIX _NLS _PGC_ _R3000"
al="$al _SYSTYPE_BSD _SYSTYPE_BSD43 _SYSTYPE_SVR4"
al="$al _SYSTYPE_SYSV _SYSV3 _U370 _UNICOS"
al="$al __386BSD__ __BIG_ENDIAN __BIG_ENDIAN__ __BSD_4_4__"
al="$al __DGUX__ __DPX2__ __H3050R __H3050RX"
al="$al __LITTLE_ENDIAN __LITTLE_ENDIAN__ __MACH__"
al="$al __MIPSEB __MIPSEB__ __MIPSEL __MIPSEL__"
al="$al __Next__ __OSF1__ __PARAGON__ __PGC__ __PWB __STDC__"
al="$al __SVR4_2__ __UMAXV__"
al="$al ____386BSD____ __alpha __alpha__ __amiga"
al="$al __bsd4_2 __bsd4_2__ __bsdi__ __convex__"
al="$al __host_mips__"
al="$al __hp9000s200 __hp9000s300 __hp9000s400 __hp9000s500"
al="$al __hp9000s500 __hp9000s700 __hp9000s800"
al="$al __hppa __hpux __hp_osf __i286 __i286__ __i386 __i386__"
al="$al __i486 __i486__ __i860 __i860__ __ibmesa __ksr1__ __linux__"
al="$al __m68k __m68k__ __m88100__ __m88k __m88k__"
al="$al __mc68000 __mc68000__ __mc68020 __mc68020__"
al="$al __mc68030 __mc68030__ __mc68040 __mc68040__"
al="$al __mc88100 __mc88100__ __mips __mips__"
al="$al __motorola__ __osf__ __pa_risc __sparc__ __stdc__"
al="$al __sun __sun__ __svr3__ __svr4__ __ultrix __ultrix__"
al="$al __unix __unix__ __uxpm__ __uxps__ __vax __vax__"
al="$al _host_mips _mips _unix"
al="$al a29k aegis aix aixpc alliant alpha am29000 amiga ansi ardent"
al="$al apollo ardent att386 att3b"
al="$al bsd bsd43 bsd4_2 bsd4_3 bsd4_4 bsdi bull"
al="$al cadmus clipper concurrent convex cray ctix"
al="$al dmert encore gcos gcx gimpel gould"
al="$al hbullx20 hcx host_mips hp200 hp300 hp700 hp800"
al="$al hp9000 hp9000s300 hp9000s400 hp9000s500"
al="$al hp9000s700 hp9000s800 hp9k8 hppa hpux"
al="$al i186 i286 i386 i486 i8086"
al="$al i80960 i860 iAPX286 ibm ibm032 ibmrt interdata is68k"
al="$al ksr1 linux luna luna88k m68k m88100 m88k"
al="$al mc300 mc500 mc68000 mc68010 mc68020 mc68030"
al="$al mc68040 mc68060 mc68k mc68k32 mc700"
al="$al mc88000 mc88100 merlin mert mips mvs n16"
al="$al ncl_el ncl_mr"
al="$al news1500 news1700 news1800 news1900 news3700"
al="$al news700 news800 news900 ns16000 ns32000"
al="$al ns32016 ns32332 ns32k nsc32000 os osf"
al="$al parisc pc532 pdp11 plexus posix pyr"
al="$al riscix riscos scs sequent sgi sinix sony sony_news"
al="$al sonyrisc sparc sparclite spectrum stardent stratos"
al="$al sun sun3 sun386 svr4 sysV68 sysV88"
al="$al titan tower tower32 tower32_200 tower32_600 tower32_700"
al="$al tower32_800 tower32_850 tss u370 u3b u3b2 u3b20 u3b200"
al="$al u3b20d u3b5 ultrix unix unixpc unos vax venix vms"
al="$al xenix z8000"
groupstype=''
i_whoami=''
: default library list
libswanted=''
: set useposix=false in your hint file to disable the POSIX extension.
useposix=true
: set useopcode=false in your hint file to disable the Opcode extension.
useopcode=true
: Define several unixisms. These can be used in hint files.
exe_ext=''
: Extra object files, if any, needed on this platform.
archobjs=''
: Possible local include directories to search.
: Set locincpth to "" in a hint file to defeat local include searches.
locincpth="/usr/local/include /opt/local/include /usr/gnu/include"
locincpth="$locincpth /opt/gnu/include /usr/GNU/include /opt/GNU/include"
:
: no include file wanted by default
inclwanted=''
: change the next line if compiling for Xenix/286 on Xenix/386
xlibpth='/usr/lib/386 /lib/386'
: Possible local library directories to search.
loclibpth="/usr/local/lib /opt/local/lib /usr/gnu/lib"
loclibpth="$loclibpth /opt/gnu/lib /usr/GNU/lib /opt/GNU/lib"
: general looking path for locating libraries
glibpth="/shlib /usr/shlib /usr/lib/pa1.1 /usr/lib/large"
glibpth="$glibpth /lib /usr/lib $xlibpth"
glibpth="$glibpth /lib/large /usr/lib/small /lib/small"
glibpth="$glibpth /usr/ccs/lib /usr/ucblib /usr/local/lib"
: Private path used by Configure to find libraries. Its value
: is prepended to libpth. This variable takes care of special
: machines, like the mips. Usually, it should be empty.
plibpth=''
: full support for void wanted by default
defvoidused=15
: List of libraries we want.
libswanted='sfio net socket inet nsl nm ndbm gdbm dbm db malloc dl'
libswanted="$libswanted dld ld sun m c cposix posix ndir dir crypt"
libswanted="$libswanted ucb bsd BSD PW x"
: We probably want to search /usr/shlib before most other libraries.
: This is only used by the lib/ExtUtils/MakeMaker.pm routine extliblist.
glibpth=`echo " $glibpth " | sed -e 's! /usr/shlib ! !'`
glibpth="/usr/shlib $glibpth"
: Do not use vfork unless overridden by a hint file.
usevfork=false
: Find the basic shell for Bourne shell scripts
case "$sh" in
'')
: SYSTYPE is for some older MIPS systems.
: I do not know if it is still needed.
case "$SYSTYPE" in
*bsd*|sys5*) xxx="/$SYSTYPE/bin/sh";;
*) xxx='/bin/sh';;
esac
if test -f "$xxx"; then
sh="$xxx"
else
: Build up a list and do a single loop so we can 'break' out.
pth=`echo $PATH | sed -e "s/$p_/ /g"`
for xxx in sh bash ksh pdksh ash; do
for p in $pth; do
try="$try ${p}/${xxx}"
done
done
for xxx in $try; do
if test -f "$xxx"; then
sh="$xxx";
echo "Your Bourne shell appears to be in $sh."
break
elif test -f "$xxx.exe"; then
sh="$xxx";
echo "Hmm. Your Bourne shell appears to be in $sh."
break
fi
done
fi
;;
esac
case "$sh" in
'') cat <<EOM >&2
$me: Fatal Error: I can't find a Bourne Shell anywhere.
Usually it's in /bin/sh. How did you even get this far?
Please contact me (Chip Salzenberg) at chip@perl.com and
we'll try to straigten this all out.
EOM
exit 1
;;
esac
: see if sh knows # comments
if `$sh -c '#' >/dev/null 2>&1`; then
shsharp=true
spitshell=cat
echo " "
xcat=/bin/cat
test -f $xcat || xcat=/usr/bin/cat
echo "#!$xcat" >try
$eunicefix try
chmod +x try
./try > today
if test -s today; then
sharpbang='#!'
else
echo "#! $xcat" > try
$eunicefix try
chmod +x try
./try > today
if test -s today; then
sharpbang='#! '
else
echo "Okay, let's see if #! works on this system..."
echo "It's just a comment."
sharpbang=': use '
fi
fi
else
echo "Your $sh doesn't grok # comments--I will strip them later on."
shsharp=false
cd ..
echo "exec grep -v '^[ ]*#'" >spitshell
chmod +x spitshell
$eunicefix spitshell
spitshell=`pwd`/spitshell
cd UU
echo "I presume that if # doesn't work, #! won't work either!"
sharpbang=': use '
fi
rm -f try today
: figure out how to guarantee sh startup
case "$startsh" in
'') startsh=${sharpbang}${sh} ;;
*)
esac
cat >try <<EOSS
$startsh
set abc
test "$?abc" != 1
EOSS
chmod +x try
$eunicefix try
if ./try; then
: echo "Yup, it does."
else
echo "Hmm. '$startsh' didn't work."
echo "You may have to fix up the shell scripts to make sure sh runs them."
fi
rm -f try
: script used to extract .SH files with variable substitutions
cat >extract <<EOS
$startsh
EOS
cat >>extract <<'EOS'
CONFIG=true
echo "Doing variable substitutions on .SH files..."
if test -f MANIFEST; then
shlist=`awk '{print $1}' <MANIFEST | grep '\.SH'`
: Pick up possible extension manifests.
for dir in ext/* ; do
if test -f $dir/MANIFEST; then
xxx=`awk '{print $1}' < $dir/MANIFEST |
sed -n "/\.SH$/ s@^@$dir/@p"`
shlist="$shlist $xxx"
fi
done
set x $shlist
else
echo "(Looking for .SH files under the current directory.)"
set x `find . -name "*.SH" -print`
fi
shift
case $# in
0) set x *.SH; shift;;
esac
if test ! -f $1; then
shift
fi
for file in $*; do
case "$file" in
*/*)
dir=`expr X$file : 'X\(.*\)/'`
file=`expr X$file : 'X.*/\(.*\)'`
(cd $dir && . ./$file)
;;
*)
. ./$file
;;
esac
done
if test -f config_h.SH; then
if test ! -f config.h; then
: oops, they left it out of MANIFEST, probably, so do it anyway.
. ./config_h.SH
fi
fi
EOS
: produce awk script to parse command line options
cat >options.awk <<'EOF'
BEGIN {
optstr = "dD:eEf:hKOrsSU:V"; # getopt-style specification
len = length(optstr);
for (i = 1; i <= len; i++) {
c = substr(optstr, i, 1);
if (i < len) a = substr(optstr, i + 1, 1); else a = "";
if (a == ":") {
arg[c] = 1;
i++;
}
opt[c] = 1;
}
}
{
expect = 0;
str = $0;
if (substr(str, 1, 1) != "-") {
printf("'%s'\n", str);
next;
}
len = length($0);
for (i = 2; i <= len; i++) {
c = substr(str, i, 1);
if (!opt[c]) {
printf("-%s\n", substr(str, i));
next;
}
printf("-%s\n", c);
if (arg[c]) {
if (i < len)
printf("'%s'\n", substr(str, i + 1));
else
expect = 1;
next;
}
}
}
END {
if (expect)
print "?";
}
EOF
: process the command line options
set X `for arg in "$@"; do echo "X$arg"; done |
sed -e s/X// | awk -f options.awk`
eval "set $*"
shift
rm -f options.awk
: set up default values
fastread=''
reuseval=false
config_sh=''
alldone=''
error=''
silent=''
extractsh=''
override=''
knowitall=''
rm -f optdef.sh
cat >optdef.sh <<EOS
$startsh
EOS
: option parsing
while test $# -gt 0; do
case "$1" in
-d) shift; fastread=yes;;
-e) shift; alldone=cont;;
-f)
shift
cd ..
if test -r "$1"; then
config_sh="$1"
else
echo "$me: cannot read config file $1." >&2
error=true
fi
cd UU
shift;;
-h) shift; error=true;;
-r) shift; reuseval=true;;
-s) shift; silent=true;;
-E) shift; alldone=exit;;
-K) shift; knowitall=true;;
-O) shift; override=true;;
-S) shift; extractsh=true;;
-D)
shift
case "$1" in
*=)
echo "$me: use '-U symbol=', not '-D symbol='." >&2
echo "$me: ignoring -D $1" >&2
;;
*=*) echo "$1" | \
sed -e "s/'/'\"'\"'/g" -e "s/=\(.*\)/='\1'/" >> optdef.sh;;
*) echo "$1='define'" >> optdef.sh;;
esac
shift
;;
-U)
shift
case "$1" in
*=) echo "$1" >> optdef.sh;;
*=*)
echo "$me: use '-D symbol=val', not '-U symbol=val'." >&2
echo "$me: ignoring -U $1" >&2
;;
*) echo "$1='undef'" >> optdef.sh;;
esac
shift
;;
-V) echo "$me generated by metaconfig 3.0 PL60." >&2
exit 0;;
--) break;;
-*) echo "$me: unknown option $1" >&2; shift; error=true;;
*) break;;
esac
done
case "$error" in
true)
cat >&2 <<EOM
Usage: $me [-dehrsEKOSV] [-f config.sh] [-D symbol] [-D symbol=value]
[-U symbol] [-U symbol=]
-d : use defaults for all answers.
-e : go on without questioning past the production of config.sh.
-f : specify an alternate default configuration file.
-h : print this help message and exit (with an error status).
-r : reuse C symbols value if possible (skips costly nm extraction).
-s : silent mode, only echoes questions and essential information.
-D : define symbol to have some value:
-D symbol symbol gets the value 'define'
-D symbol=value symbol gets the value 'value'
-E : stop at the end of questions, after having produced config.sh.
-K : do not use unless you know what you are doing.
-O : let -D and -U override definitions from loaded configuration file.
-S : perform variable substitutions on all .SH files (can mix with -f)
-U : undefine symbol:
-U symbol symbol gets the value 'undef'
-U symbol= symbol gets completely empty
-V : print version number and exit (with a zero status).
EOM
exit 1
;;
esac
exec 4>&1
case "$silent" in
true) exec 1>/dev/null;;
esac
: run the defines and the undefines, if any, but leave the file out there...
touch optdef.sh
. ./optdef.sh
case "$extractsh" in
true)
case "$config_sh" in
'') config_sh='config.sh'; config='./config.sh';;
/*) config="$config_sh";;
*) config="./$config_sh";;
esac
echo " "
echo "Fetching answers from $config_sh..."
cd ..
. $config
test "$override" && . ./optdef.sh
echo " "
. ./UU/extract
rm -rf UU
echo "Done."
exit 0
;;
esac
: set package name
package=perl5
first=`echo $package | sed -e 's/^\(.\).*/\1/'`
last=`echo $package | sed -e 's/^.\(.*\)/\1/'`
case "`echo AbyZ | tr '[:lower:]' '[:upper:]' 2>/dev/null`" in
ABYZ) spackage=`echo $first | tr '[:lower:]' '[:upper:]'`$last;;
*) spackage=`echo $first | tr '[a-z]' '[A-Z]'`$last;;
esac
: Eunice requires " " instead of "", can you believe it
echo " "
: Here we go...
echo "Beginning of configuration questions for $package."
trap 'echo " "; test -d ../UU && rm -rf X $rmlist; exit 1' 1 2 3 15
: Some greps do not return status, grrr.
echo "grimblepritz" >grimble
if grep blurfldyick grimble >/dev/null 2>&1 ; then
contains=contains
elif grep grimblepritz grimble >/dev/null 2>&1 ; then
contains=grep
else
contains=contains
fi
rm -f grimble
: the following should work in any shell
case "$contains" in
contains*)
echo " "
echo "AGH! Grep doesn't return a status. Attempting remedial action."
cat >contains <<'EOSS'
grep "$1" "$2" >.greptmp && cat .greptmp && test -s .greptmp
EOSS
chmod +x contains
esac
: first determine how to suppress newline on echo command
echo " "
echo "Checking echo to see how to suppress newlines..."
(echo "hi there\c" ; echo " ") >.echotmp
if $contains c .echotmp >/dev/null 2>&1 ; then
echo "...using -n."
n='-n'
c=''
else
cat <<'EOM'
...using \c
EOM
n=''
c='\c'
fi
echo $n "The star should be here-->$c"
echo '*'
rm -f .echotmp
: Now test for existence of everything in MANIFEST
echo " "
if test -f ../MANIFEST; then
echo "First let's make sure your kit is complete. Checking..." >&4
awk '$1 !~ /PACK[A-Z]+/ {print $1}' ../MANIFEST | split -50
rm -f missing
for filelist in x??; do
(cd ..; ls `cat UU/$filelist` >/dev/null 2>>UU/missing)
done
if test -s missing; then
cat missing >&4
cat >&4 <<'EOM'
THIS PACKAGE SEEMS TO BE INCOMPLETE.
You have the option of continuing the configuration process, despite the
distinct possibility that your kit is damaged, by typing 'y'es. If you
do, don't blame me if something goes wrong. I advise you to type 'n'o
and contact the author (chip@perl.com).
EOM
echo $n "Continue? [n] $c" >&4
read ans
case "$ans" in
y*)
echo "Continuing..." >&4
rm -f missing
;;
*)
echo "ABORTING..." >&4
kill $$
;;
esac
else
echo "Looks good..." >&4
fi
else
echo "There is no MANIFEST file. I hope your kit is complete !"
fi
rm -f missing x??
: compute the number of columns on the terminal for proper question formatting
case "$COLUMNS" in
'') COLUMNS='80';;
esac
: set up the echo used in my read
myecho="case \"\$xxxm\" in
'') echo $n \"\$rp $c\" >&4;;
*) case \"\$rp\" in
'') echo $n \"[\$xxxm] $c\";;
*)
if test \`echo \"\$rp [\$xxxm] \" | wc -c\` -ge $COLUMNS; then
echo \"\$rp\" >&4
echo $n \"[\$xxxm] $c\" >&4
else
echo $n \"\$rp [\$xxxm] $c\" >&4
fi
;;
esac;;
esac"
: now set up to do reads with possible shell escape and default assignment
cat <<EOSC >myread
$startsh
xxxm=\$dflt
$myecho
ans='!'
case "\$fastread" in
yes) case "\$dflt" in
'') ;;
*) ans='';
case "\$silent-\$rp" in
true-) ;;
*) echo " " >&4;;
esac;;
esac;;
*) case "\$silent" in
true) case "\$rp" in
'') ans='';;
esac;;
esac;;
esac
while expr "X\$ans" : "X!" >/dev/null; do
read answ
set x \$xxxm
shift
aok=''; eval ans="\\"\$answ\\"" && aok=y
case "\$answ" in
"\$ans")
case "\$ans" in
\\&*)
set x \`expr "X\$ans" : "X&\(.*\)\$"\`
shift
case "\$1" in
-d)
fastread=yes
echo "(OK, I'll run with -d after this question.)" >&4
;;
-*)
echo "*** Sorry, \$1 not supported yet." >&4
;;
esac
$myecho
ans=!
;;
"!")
sh 1>&4
echo " "
$myecho
;;
!*)
set x \`expr "X\$ans" : "X!\(.*\)\$"\`
shift
sh 1>&4 -c "\$*"
echo " "
$myecho
;;
esac;;
*)
case "\$aok" in
y)
echo "*** Substitution done -- please confirm."
xxxm="\$ans"
ans=\`echo $n "\$ans$c" | tr '\012' ' '\`
xxxm="\$ans"
ans=!
;;
*)
echo "*** Error -- try again."
ans=!
;;
esac
$myecho
;;
esac
case "\$ans\$xxxm\$nostick" in
'')
ans=!
$myecho
;;
esac
done
case "\$ans" in
'') ans="\$xxxm";;
esac
EOSC
: create .config dir to save info across Configure sessions
test -d ../.config || mkdir ../.config
cat >../.config/README <<EOF
This directory created by Configure to save information that should
persist across sessions.
You may safely delete it if you wish.
EOF
: general instructions
needman=true
firsttime=true
user=`(logname) 2>/dev/null`
case "$user" in "")
user=`whoami 2>&1` ;;
esac
if $contains "^$user\$" ../.config/instruct >/dev/null 2>&1; then
firsttime=false
echo " "
rp='Would you like to see the instructions?'
dflt=n
. ./myread
case "$ans" in
[yY]*) ;;
*) needman=false;;
esac
fi
if $needman; then
cat <<EOH
This installation shell script will examine your system and ask you questions
to determine how the perl5 package should be installed. If you get
stuck on a question, you may use a ! shell escape to start a subshell or
execute a command. Many of the questions will have default answers in square
brackets; typing carriage return will give you the default.
On some of the questions which ask for file or directory names you are allowed
to use the ~name construct to specify the login directory belonging to "name",
even if you don't have a shell which knows about that. Questions where this is
allowed will be marked "(~name ok)".
EOH
rp=''
dflt='Type carriage return to continue'
. ./myread
cat <<'EOH'
The prompter used in this script allows you to use shell variables and
backticks in your answers. You may use $1, $2, etc... to refer to the words
in the default answer, as if the default line was a set of arguments given to a
script shell. This means you may also use $* to repeat the whole default line,
so you do not have to re-type everything to add something to the default.
Everytime there is a substitution, you will have to confirm. If there is an
error (e.g. an unmatched backtick), the default answer will remain unchanged
and you will be prompted again.
If you are in a hurry, you may run 'Configure -d'. This will bypass nearly all
the questions and use the computed defaults (or the previous answers if there
was already a config.sh file). Type 'Configure -h' for a list of options.
You may also start interactively and then answer '& -d' at any prompt to turn
on the non-interactive behavior for the remainder of the execution.
EOH
. ./myread
cat <<EOH
Much effort has been expended to ensure that this shell script will run on any
Unix system. If despite that it blows up on yours, your best bet is to edit
Configure and run it again. If you can't run Configure for some reason,
you'll have to generate a config.sh file by hand. Whatever problems you
have, let me (chip@perl.com) know how I blew it.
This installation script affects things in two ways:
1) it may do direct variable substitutions on some of the files included
in this kit.
2) it builds a config.h file for inclusion in C programs. You may edit
any of these files as the need arises after running this script.
If you make a mistake on a question, there is no easy way to back up to it
currently. The easiest thing to do is to edit config.sh and rerun all the SH
files. Configure will offer to let you do this before it runs the SH files.
EOH
dflt='Type carriage return to continue'
. ./myread
case "$firsttime" in
true) echo $user >>../.config/instruct;;
esac
fi
: find out where common programs are
echo " "
echo "Locating common programs..." >&4
cat <<EOSC >loc
$startsh
case \$# in
0) exit 1;;
esac
thing=\$1
shift
dflt=\$1
shift
for dir in \$*; do
case "\$thing" in
.)
if test -d \$dir/\$thing; then
echo \$dir
exit 0
fi
;;
*)
for thisthing in \$dir/\$thing; do
: just loop through to pick last item
done
if test -f \$thisthing; then
echo \$thisthing
exit 0
elif test -f \$dir/\$thing.exe; then
: on Eunice apparently
echo \$dir/\$thing
exit 0
fi
;;
esac
done
echo \$dflt
exit 1
EOSC
chmod +x loc
$eunicefix loc
loclist="
awk
cat
comm
cp
echo
expr
find
grep
ls
mkdir
rm
sed
sort
touch
tr
uniq
"
trylist="
Mcc
byacc
cpp
csh
date
egrep
gzip
less
line
ln
more
nroff
perl
pg
sendmail
test
uname
zip
"
pth=`echo $PATH | sed -e "s/$p_/ /g"`
pth="$pth /lib /usr/lib"
for file in $loclist; do
xxx=`./loc $file $file $pth`
eval $file=$xxx
eval _$file=$xxx
case "$xxx" in
/*)
echo $file is in $xxx.
;;
?:[\\/]*)
echo $file is in $xxx.
;;
*)
echo "I don't know where '$file' is, and my life depends on it." >&4
echo "Go find a public domain implementation or fix your PATH setting!" >&4
exit 1
;;
esac
done
echo " "
echo "Don't worry if any of the following aren't found..."
say=offhand
for file in $trylist; do
xxx=`./loc $file $file $pth`
eval $file=$xxx
eval _$file=$xxx
case "$xxx" in
/*)
echo $file is in $xxx.
;;
?:[\\/]*)
echo $file is in $xxx.
;;
*)
echo "I don't see $file out there, $say."
say=either
;;
esac
done
case "$egrep" in
egrep)
echo "Substituting grep for egrep."
egrep=$grep
;;
esac
case "$ln" in
ln)
echo "Substituting cp for ln."
ln=$cp
;;
esac
case "$test" in
test)
echo "Hopefully test is built into your sh."
;;
*)
if `sh -c "PATH= test true" >/dev/null 2>&1`; then
echo "Using the test built into your sh."
test=test
_test=test
fi
;;
esac
case "$echo" in
echo)
echo "Hopefully echo is built into your sh."
;;
'') ;;
*)
echo " "
echo "Checking compatibility between $echo and builtin echo (if any)..." >&4
$echo $n "hi there$c" >foo1
echo $n "hi there$c" >foo2
if cmp foo1 foo2 >/dev/null 2>&1; then
echo "They are compatible. In fact, they may be identical."
else
case "$n" in
'-n') n='' c='\c';;
*) n='-n' c='';;
esac
cat <<FOO
They are not compatible! You are probably running ksh on a non-USG system.
I'll have to use $echo instead of the builtin, since Bourne shell doesn't
have echo built in and we may have to run some Bourne shell scripts. That
means I'll have to use '$n$c' to suppress newlines now. Life is ridiculous.
FOO
$echo $n "The star should be here-->$c"
$echo "*"
fi
$rm -f foo1 foo2
;;
esac
: determine whether symbolic links are supported
echo " "
$touch blurfl
if $ln -s blurfl sym > /dev/null 2>&1 ; then
echo "Symbolic links are supported." >&4
lns="$ln -s"
else
echo "Symbolic links are NOT supported." >&4
lns="$ln"
fi
$rm -f blurfl sym
: see whether [:lower:] and [:upper:] are supported character classes
echo " "
up='[A-Z]'
low='[a-z]'
case "`echo AbyZ | $tr '[:lower:]' '[:upper:]' 2>/dev/null`" in
ABYZ)
echo "Good, your tr supports [:lower:] and [:upper:] to convert case." >&4
up='[:upper:]'
low='[:lower:]'
;;
*)
echo "Your tr only supports [a-z] and [A-Z] to convert case." >&4
;;
esac
: set up the translation script tr, must be called with ./tr of course
cat >tr <<EOSC
$startsh
case "\$1\$2" in
'[A-Z][a-z]') exec $tr '$up' '$low';;
'[a-z][A-Z]') exec $tr '$low' '$up';;
esac
exec $tr "\$@"
EOSC
chmod +x tr
$eunicefix tr
: Try to determine whether config.sh was made on this system
case "$config_sh" in
'')
myuname=`( ($uname -a) 2>/dev/null || hostname) 2>&1`
myuname=`echo $myuname | $sed -e 's/^[^=]*=//' -e 's/\///g' | \
./tr '[A-Z]' '[a-z]' | tr '\012' ' '`
newmyuname="$myuname"
dflt=n
case "$knowitall" in
'')
if test -f ../config.sh; then
if $contains myuname= ../config.sh >/dev/null 2>&1; then
eval "`grep myuname= ../config.sh`"
fi
if test "X$myuname" = "X$newmyuname"; then
dflt=y
fi
fi
;;
*) dflt=y;;
esac
: Get old answers from old config file if Configure was run on the
: same system, otherwise use the hints.
hint=default
cd ..
if test -f config.sh; then
echo " "
rp="I see a config.sh file. Shall I use it to set the defaults?"
. UU/myread
case "$ans" in
n*|N*) echo "OK, I'll ignore it."; mv config.sh config.sh.old;;
*) echo "Fetching default answers from your old config.sh file..." >&4
tmp_n="$n"
tmp_c="$c"
tmp_sh="$sh"
. ./config.sh
cp config.sh UU
n="$tmp_n"
c="$tmp_c"
: Older versions did not always set $sh. Catch re-use of such
: an old config.sh.
case "$sh" in
'') sh="$tmp_sh" ;;
esac
hint=previous
;;
esac
fi
if test ! -f config.sh; then
$cat <<EOM
First time through, eh? I have some defaults handy for the following systems:
EOM
cd hints; ls -C *.sh | $sed 's/\.sh/ /g' >&4
dflt=''
: Half the following guesses are probably wrong... If you have better
: tests or hints, please send them to chip@perl.com
: The metaconfig authors would also appreciate a copy...
$test -f /irix && osname=irix
$test -f /xenix && osname=sco_xenix
$test -f /dynix && osname=dynix
$test -f /dnix && osname=dnix
$test -f /lynx.os && osname=lynxos
$test -f /unicos && osname=unicos && osvers=`$uname -r`
$test -f /unicosmk.ar && osname=unicosmk && osvers=`$uname -r`
$test -f /bin/mips && /bin/mips && osname=mips
$test -d /NextApps && set X `hostinfo | grep 'NeXT Mach.*:' | \
$sed -e 's/://' -e 's/\./_/'` && osname=next && osvers=$4
$test -d /usr/apollo/bin && osname=apollo
$test -f /etc/saf/_sactab && osname=svr4
$test -d /usr/include/minix && osname=minix
if $test -d /MachTen; then
osname=machten
if $test -x /sbin/version; then
osvers=`/sbin/version | $awk '{print $2}' |
$sed -e 's/[A-Za-z]$//'`
elif $test -x /usr/etc/version; then
osvers=`/usr/etc/version | $awk '{print $2}' |
$sed -e 's/[A-Za-z]$//'`
else
osvers="$2.$3"
fi
fi
if $test -f $uname; then
set X $myuname
shift
case "$5" in
fps*) osname=fps ;;
mips*)
case "$4" in
umips) osname=umips ;;
*) osname=mips ;;
esac;;
[23]100) osname=mips ;;
next*) osname=next ;;
i386*)
if $test -f /etc/kconfig; then
osname=isc
if test "$lns" = "ln -s"; then
osvers=4
elif $contains _SYSV3 /usr/include/stdio.h > /dev/null 2>&1 ; then
osvers=3
elif $contains _POSIX_SOURCE /usr/include/stdio.h > /dev/null 2>&1 ; then
osvers=2
fi
fi
;;
esac
case "$1" in
aix) osname=aix
tmp=`( (oslevel) 2>/dev/null || echo "not found") 2>&1`
case "$tmp" in
'not found') osvers="$4"."$3" ;;
'<3240'|'<>3240') osvers=3.2.0 ;;
'=3240'|'>3240'|'<3250'|'<>3250') osvers=3.2.4 ;;
'=3250'|'>3250') osvers=3.2.5 ;;
*) osvers=$tmp;;
esac
;;
*dc.osx) osname=dcosx
osvers="$3"
;;
dnix) osname=dnix
osvers="$3"
;;
domainos) osname=apollo
osvers="$3"
;;
dgux) osname=dgux
osvers="$3"
;;
dynixptx*) osname=dynixptx
osvers="$3"
;;
freebsd) osname=freebsd
osvers="$3" ;;
genix) osname=genix ;;
hp*) osname=hpux
case "$3" in
*.08.*) osvers=9 ;;
*.09.*) osvers=9 ;;
*.10.*) osvers=10 ;;
*) osvers="$3" ;;
esac
;;
irix*) osname=irix
case "$3" in
4*) osvers=4 ;;
5*) osvers=5 ;;
*) osvers="$3" ;;
esac
;;
linux) osname=linux
case "$3" in
*) osvers="$3" ;;
esac
;;
netbsd*) osname=netbsd
osvers="$3"
;;
news-os) osvers="$3"
case "$3" in
4*) osname=newsos4 ;;
*) osname=newsos ;;
esac
;;
bsd386) osname=bsd386
osvers=`$uname -r`
;;
powerux | power_ux | powermax_os | powermaxos | \
powerunix | power_unix) osname=powerux
osvers="$3"
;;
next*) osname=next ;;
solaris) osname=solaris
case "$3" in
5*) osvers=`echo $3 | $sed 's/^5/2/g'` ;;
*) osvers="$3" ;;
esac
;;
sunos) osname=sunos
case "$3" in
5*) osname=solaris
osvers=`echo $3 | $sed 's/^5/2/g'` ;;
*) osvers="$3" ;;
esac
;;
titanos) osname=titanos
case "$3" in
1*) osvers=1 ;;
2*) osvers=2 ;;
3*) osvers=3 ;;
4*) osvers=4 ;;
*) osvers="$3" ;;
esac
;;
ultrix) osname=ultrix
osvers="$3"
;;
osf1|mls+) case "$5" in
alpha)
osname=dec_osf
osvers=`echo "$3" | sed 's/^[vt]//'`
;;
hp*) osname=hp_osf1 ;;
mips) osname=mips_osf1 ;;
esac
;;
uts) osname=uts
osvers="$3"
;;
qnx) osname=qnx
osvers="$4"
;;
$2) case "$osname" in
*isc*) ;;
*freebsd*) ;;
svr*)
: svr4.x or possibly later
case "svr$3" in
${osname}*)
osname=svr$3
osvers=$4
;;
esac
case "$osname" in
svr4.0)
: Check for ESIX
if test -f /stand/boot ; then
eval `grep '^INITPROG=[a-z/0-9]*$' /stand/boot`
if test -n "$INITPROG" -a -f "$INITPROG"; then
isesix=`strings -a $INITPROG|grep 'ESIX SYSTEM V/386 Release 4.0'`
if test -n "$isesix"; then
osname=esix4
fi
fi
fi
;;
esac
;;
*) if test -f /etc/systemid; then
osname=sco
set `echo $3 | $sed 's/\./ /g'` $4
if $test -f sco_$1_$2_$3.sh; then
osvers=$1.$2.$3
elif $test -f sco_$1_$2.sh; then
osvers=$1.$2
elif $test -f sco_$1.sh; then
osvers=$1
fi
else
case "$osname" in
'') : Still unknown. Probably a generic Sys V.
osname="sysv"
osvers="$3"
;;
esac
fi
;;
esac
;;
*) case "$osname" in
'') : Still unknown. Probably a generic BSD.
osname="$1"
osvers="$3"
;;
esac
;;
esac
else
if test -f /vmunix -a -f newsos4.sh; then
(what /vmunix | ../UU/tr '[A-Z]' '[a-z]') > ../UU/kernel.what 2>&1
if $contains news-os ../UU/kernel.what >/dev/null 2>&1; then
osname=newsos4
fi
$rm -f ../UU/kernel.what
elif test -d c:/.; then
set X $myuname
osname=os2
osvers="$5"
fi
fi
: Now look for a hint file osname_osvers, unless one has been
: specified already.
case "$hintfile" in
''|' ')
file=`echo "${osname}_${osvers}" | $sed -e 's@\.@_@g' -e 's@_$@@'`
: Also try without trailing minor version numbers.
xfile=`echo $file | $sed -e 's@_[^_]*$@@'`
xxfile=`echo $xfile | $sed -e 's@_[^_]*$@@'`
xxxfile=`echo $xxfile | $sed -e 's@_[^_]*$@@'`
xxxxfile=`echo $xxxfile | $sed -e 's@_[^_]*$@@'`
case "$file" in
'') dflt=none ;;
*) case "$osvers" in
'') dflt=$file
;;
*) if $test -f $file.sh ; then
dflt=$file
elif $test -f $xfile.sh ; then
dflt=$xfile
elif $test -f $xxfile.sh ; then
dflt=$xxfile
elif $test -f $xxxfile.sh ; then
dflt=$xxxfile
elif $test -f $xxxxfile.sh ; then
dflt=$xxxxfile
elif $test -f "${osname}.sh" ; then
dflt="${osname}"
else
dflt=none
fi
;;
esac
;;
esac
;;
*)
dflt=`echo $hintfile | $sed 's/\.sh$//'`
;;
esac
$cat <<EOM
You may give one or more space-separated answers, or "none" if appropriate.
If your OS version has no hints, DO NOT give a wrong version -- say "none".
EOM
rp="Which of these apply, if any?"
. ../UU/myread
tans=$ans
for file in $tans; do
if $test -f $file.sh; then
. ./$file.sh
$cat $file.sh >> ../UU/config.sh
elif $test X$tans = X -o X$tans = Xnone ; then
: nothing
else
: Give one chance to correct a possible typo.
echo "$file.sh does not exist"
dflt=$file
rp="hint to use instead?"
. ../UU/myread
for file in $ans; do
if $test -f "$file.sh"; then
. ./$file.sh
$cat $file.sh >> ../UU/config.sh
elif $test X$ans = X -o X$ans = Xnone ; then
: nothing
else
echo "$file.sh does not exist -- ignored."
fi
done
fi
done
hint=recommended
: Remember our hint file for later.
if $test -f "$file.sh" ; then
hintfile="$file"
else
hintfile=''
fi
cd ..
fi
cd UU
;;
*)
echo " "
echo "Fetching default answers from $config_sh..." >&4
tmp_n="$n"
tmp_c="$c"
cd ..
cp $config_sh config.sh 2>/dev/null
chmod +w config.sh
. ./config.sh
cd UU
cp ../config.sh .
n="$tmp_n"
c="$tmp_c"
hint=previous
;;
esac
test "$override" && . ./optdef.sh
myuname="$newmyuname"
: Restore computed paths
for file in $loclist $trylist; do
eval $file="\$_$file"
done
cat << EOM
Configure uses the operating system name and version to set some defaults.
The default value is probably right if the name rings a bell. Otherwise,
since spelling matters for me, either accept the default or answer "none"
to leave it blank.
EOM
case "$osname" in
''|' ')
case "$hintfile" in
''|' '|none) dflt=none ;;
*) dflt=`echo $hintfile | $sed -e 's/\.sh$//' -e 's/_.*$//'` ;;
esac
;;
*) dflt="$osname" ;;
esac
rp="Operating system name?"
. ./myread
case "$ans" in
none) osname='' ;;
*) osname=`echo "$ans" | $sed -e 's/[ ][ ]*/_/g' | ./tr '[A-Z]' '[a-z]'`;;
esac
echo " "
case "$osvers" in
''|' ')
case "$hintfile" in
''|' '|none) dflt=none ;;
*) dflt=`echo $hintfile | $sed -e 's/\.sh$//' -e 's/^[^_]*//'`
dflt=`echo $dflt | $sed -e 's/^_//' -e 's/_/./g'`
case "$dflt" in
''|' ') dflt=none ;;
esac
;;
esac
;;
*) dflt="$osvers" ;;
esac
rp="Operating system version?"
. ./myread
case "$ans" in
none) osvers='' ;;
*) osvers="$ans" ;;
esac
: who configured the system
cf_time=`LC_ALL=C; export LC_ALL; $date 2>&1`
cf_by=`(logname) 2>/dev/null`
case "$cf_by" in "")
cf_by=`(whoami) 2>/dev/null`
case "$cf_by" in "")
cf_by=unknown ;;
esac ;;
esac
: determine the architecture name
echo " "
if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then
tarch=`arch`"-$osname"
elif xxx=`./loc uname blurfl $pth`; $test -f "$xxx" ; then
if uname -m > tmparch 2>&1 ; then
tarch=`$sed -e 's/ *$//' -e 's/ /_/g' \
-e 's/$/'"-$osname/" tmparch`
else
tarch="$osname"
fi
$rm -f tmparch
else
tarch="$osname"
fi
case "$myarchname" in
''|"$tarch") ;;
*)
echo "(Your architecture name used to be $myarchname.)"
archname=''
;;
esac
case "$archname" in
'') dflt="$tarch";;
*) dflt="$archname";;
esac
rp='What is your architecture name'
. ./myread
archname="$ans"
myarchname="$tarch"
: is AFS running?
echo " "
case "$afs" in
$define|true) afs=true ;;
$undef|false) afs=false ;;
*) if test -d /afs; then
afs=true
else
afs=false
fi
;;
esac
if test $afs = "true"; then
echo "AFS may be running... I'll be extra cautious then..." >&4
else
echo "AFS does not seem to be running..." >&4
fi
: decide how portable to be. Allow command line overrides.
case "$d_portable" in
"$undef") ;;
*) d_portable="$define" ;;
esac
: set up shell script to do ~ expansion
cat >filexp <<EOSS
$startsh
: expand filename
case "\$1" in
~/*|~)
echo \$1 | $sed "s|~|\${HOME-\$LOGDIR}|"
;;
~*)
if $test -f /bin/csh; then
/bin/csh -f -c "glob \$1"
failed=\$?
echo ""
exit \$failed
else
name=\`$expr x\$1 : '..\([^/]*\)'\`
dir=\`$sed -n -e "/^\${name}:/{s/^[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:\([^:]*\).*"'\$'"/\1/" -e p -e q -e '}' </etc/passwd\`
if $test ! -d "\$dir"; then
me=\`basename \$0\`
echo "\$me: can't locate home directory for: \$name" >&2
exit 1
fi
case "\$1" in
*/*)
echo \$dir/\`$expr x\$1 : '..[^/]*/\(.*\)'\`
;;
*)
echo \$dir
;;
esac
fi
;;
*)
echo \$1
;;
esac
EOSS
chmod +x filexp
$eunicefix filexp
: now set up to get a file name
cat <<EOS >getfile
$startsh
EOS
cat <<'EOSC' >>getfile
tilde=''
fullpath=''
already=''
skip=''
none_ok=''
exp_file=''
nopath_ok=''
orig_rp="$rp"
orig_dflt="$dflt"
case "$fn" in
*\(*)
expr $fn : '.*(\(.*\)).*' | tr ',' '\012' >getfile.ok
fn=`echo $fn | sed 's/(.*)//'`
;;
esac
case "$fn" in
*:*)
loc_file=`expr $fn : '.*:\(.*\)'`
fn=`expr $fn : '\(.*\):.*'`
;;
esac
case "$fn" in
*~*) tilde=true;;
esac
case "$fn" in
*/*) fullpath=true;;
esac
case "$fn" in
*+*) skip=true;;
esac
case "$fn" in
*n*) none_ok=true;;
esac
case "$fn" in
*e*) exp_file=true;;
esac
case "$fn" in
*p*) nopath_ok=true;;
esac
case "$fn" in
*f*) type='File';;
*d*) type='Directory';;
*l*) type='Locate';;
esac
what="$type"
case "$what" in
Locate) what='File';;
esac
case "$exp_file" in
'')
case "$d_portable" in
"$define") ;;
*) exp_file=true;;
esac
;;
esac
cd ..
while test "$type"; do
redo=''
rp="$orig_rp"
dflt="$orig_dflt"
case "$tilde" in
true) rp="$rp (~name ok)";;
esac
. UU/myread
if test -f UU/getfile.ok && \
$contains "^$ans\$" UU/getfile.ok >/dev/null 2>&1
then
value="$ans"
ansexp="$ans"
break
fi
case "$ans" in
none)
value=''
ansexp=''
case "$none_ok" in
true) type='';;
esac
;;
*)
case "$tilde" in
'') value="$ans"
ansexp="$ans";;
*)
value=`UU/filexp $ans`
case $? in
0)
if test "$ans" != "$value"; then
echo "(That expands to $value on this system.)"
fi
;;
*) value="$ans";;
esac
ansexp="$value"
case "$exp_file" in
'') value="$ans";;
esac
;;
esac
case "$fullpath" in
true)
case "$ansexp" in
/*) value="$ansexp" ;;
*)
redo=true
case "$already" in
true)
echo "I shall only accept a full path name, as in /bin/ls." >&4
echo "Use a ! shell escape if you wish to check pathnames." >&4
;;
*)
echo "Please give a full path name, starting with slash." >&4
case "$tilde" in
true)
echo "Note that using ~name is ok provided it expands well." >&4
already=true
;;
esac
esac
;;
esac
;;
esac
case "$redo" in
'')
case "$type" in
File)
if test -f "$ansexp"; then
type=''
elif test -r "$ansexp" || (test -h "$ansexp") >/dev/null 2>&1
then
echo "($value is not a plain file, but that's ok.)"
type=''
fi
;;
Directory)
if test -d "$ansexp"; then
type=''
fi
;;
Locate)
if test -d "$ansexp"; then
echo "(Looking for $loc_file in directory $value.)"
value="$value/$loc_file"
ansexp="$ansexp/$loc_file"
fi
if test -f "$ansexp"; then
type=''
fi
case "$nopath_ok" in
true) case "$value" in
*/*) ;;
*) echo "Assuming $value will be in people's path."
type=''
;;
esac
;;
esac
;;
esac
case "$skip" in
true) type='';
esac
case "$type" in
'') ;;
*)
if test "$fastread" = yes; then
dflt=y
else
dflt=n
fi
rp="$what $value doesn't exist. Use that name anyway?"
. UU/myread
dflt=''
case "$ans" in
y*) type='';;
*) echo " ";;
esac
;;
esac
;;
esac
;;
esac
done
cd UU
ans="$value"
rp="$orig_rp"
dflt="$orig_dflt"
rm -f getfile.ok
EOSC
: determine root of directory hierarchy where package will be installed.
case "$prefix" in
'')
dflt=`./loc . /usr/local /usr/local /local /opt /usr`
;;
*)
dflt="$prefix"
;;
esac
$cat <<EOM
By default, $package will be installed in $dflt/bin, manual
pages under $dflt/man, etc..., i.e. with $dflt as prefix for
all installation directories. Typically set to /usr/local, but you
may choose /usr if you wish to install $package among your system
binaries. If you wish to have binaries under /bin but manual pages
under /usr/local/man, that's ok: you will be prompted separately
for each of the installation directories, the prefix being only used
to set the defaults.
EOM
fn=d~
rp='Installation prefix to use?'
. ./getfile
oldprefix=''
case "$prefix" in
'') ;;
*)
case "$ans" in
"$prefix") ;;
*) oldprefix="$prefix";;
esac
;;
esac
prefix="$ans"
prefixexp="$ansexp"
: set the prefixit variable, to compute a suitable default value
prefixit='case "$3" in
""|none)
case "$oldprefix" in
"") eval "$1=\"\$$2\"";;
*)
case "$3" in
"") eval "$1=";;
none)
eval "tp=\"\$$2\"";
case "$tp" in
""|" ") eval "$1=\"\$$2\"";;
*) eval "$1=";;
esac;;
esac;;
esac;;
*)
eval "tp=\"$oldprefix-\$$2-\""; eval "tp=\"$tp\"";
case "$tp" in
--|/*--|\~*--) eval "$1=\"$prefix/$3\"";;
/*-$oldprefix/*|\~*-$oldprefix/*)
eval "$1=\`echo \$$2 | sed \"s,^$oldprefix,$prefix,\"\`";;
*) eval "$1=\"\$$2\"";;
esac;;
esac'
: determine where private library files go
: Usual default is /usr/local/lib/perl5. Also allow things like
: /opt/perl/lib, since /opt/perl/lib/perl5 would be redundant.
case "$prefix" in
*perl*) set dflt privlib lib ;;
*) set dflt privlib lib/$package ;;
esac
eval $prefixit
$cat <<EOM
There are some auxiliary files for $package that need to be put into a
private library directory that is accessible by everyone.
EOM
fn=d~+
rp='Pathname where the private library files will reside?'
. ./getfile
if $test "X$privlibexp" != "X$ansexp"; then
installprivlib=''
fi
privlib="$ans"
privlibexp="$ansexp"
if $afs; then
$cat <<EOM
Since you are running AFS, I need to distinguish the directory in which
private files reside from the directory in which they are installed (and from
which they are presumably copied to the former directory by occult means).
EOM
case "$installprivlib" in
'') dflt=`echo $privlibexp | sed 's#^/afs/#/afs/.#'`;;
*) dflt="$installprivlib";;
esac
fn=de~
rp='Where will private files be installed?'
. ./getfile
installprivlib="$ans"
else
installprivlib="$privlibexp"
fi
: set the base revision
baserev=5.0
: get the patchlevel
echo " "
echo "Getting the current patchlevel..." >&4
if $test -r ../patchlevel.h;then
patchlevel=`awk '/PATCHLEVEL/ {print $3}' ../patchlevel.h`
subversion=`awk '/SUBVERSION/ {print $3}' ../patchlevel.h`
else
patchlevel=0
subversion=0
fi
$echo $n "(You have $package" $c
case "$package" in
"*$baserev") ;;
*) $echo $n " $baserev" $c ;;
esac
$echo $n " patchlevel $patchlevel" $c
test 0 -eq "$subversion" || $echo $n " subversion $subversion" $c
echo ".)"
: set the prefixup variable, to restore leading tilda escape
prefixup='case "$prefixexp" in
"$prefix") ;;
*) eval "$1=\`echo \$$1 | sed \"s,^$prefixexp,$prefix,\"\`";;
esac'
: determine where public architecture dependent libraries go
set archlib archlib
eval $prefixit
case "$archlib" in
'')
case "$privlib" in
'') dflt=`./loc . "." $prefixexp/lib /usr/local/lib /usr/lib /lib`
set dflt
eval $prefixup
;;
*) if test 0 -eq "$subversion"; then
version=`LC_ALL=C; export LC_ALL; \
echo $baserev $patchlevel | \
$awk '{ printf "%.3f\n", $1 + $2/1000.0 }'`
else
version=`LC_ALL=C; export LC_ALL; \
echo $baserev $patchlevel $subversion | \
$awk '{ printf "%.5f\n", $1 + $2/1000.0 + $3/100000.0 }'`
fi
dflt="$privlib/$archname/$version"
;;
esac
;;
*)
dflt="$archlib"
;;
esac
cat <<EOM
$spackage contains architecture-dependent library files. If you are
sharing libraries in a heterogeneous environment, you might store
these files in a separate location. Otherwise, you can just include
them with the rest of the public library files.
EOM
fn=d+~
rp='Where do you want to put the public architecture-dependent libraries?'
. ./getfile
archlib="$ans"
archlibexp="$ansexp"
if $afs; then
$cat <<EOM
Since you are running AFS, I need to distinguish the directory in
which architecture-dependent library files reside from the directory
in which they are installed (and from which they are presumably copied
to the former directory by occult means).
EOM
case "$installarchlib" in
'') dflt=`echo $archlibexp | sed 's#^/afs/#/afs/.#'`;;
*) dflt="$installarchlib";;
esac
fn=de~
rp='Where will architecture-dependent library files be installed?'
. ./getfile
installarchlib="$ans"
else
installarchlib="$archlibexp"
fi
if $test X"$archlib" = X"$privlib"; then
d_archlib="$undef"
else
d_archlib="$define"
fi
: set up the script used to warn in case of inconsistency
cat <<EOS >whoa
$startsh
EOS
cat <<'EOSC' >>whoa
dflt=y
echo " "
echo "*** WHOA THERE!!! ***" >&4
echo " The $hint value for \$$var on this machine was \"$was\"!" >&4
rp=" Keep the $hint value?"
. ./myread
case "$ans" in
y) td=$was; tu=$was;;
esac
EOSC
: function used to set $1 to $val
setvar='var=$1; eval "was=\$$1"; td=$define; tu=$undef;
case "$val$was" in
$define$undef) . ./whoa; eval "$var=\$td";;
$undef$define) . ./whoa; eval "$var=\$tu";;
*) eval "$var=$val";;
esac'
$cat <<EOM
Perl 5.004 can be compiled for binary compatibility with 5.003.
If you decide to do so, you will be able to continue using any
extensions that were compiled for Perl 5.003. However, binary
compatibility forces Perl to expose some of its internal symbols
in the same way that 5.003 did. So you may have symbol conflicts
if you embed a binary-compatible Perl in other programs.
EOM
case "$d_bincompat3" in
"$undef") dflt=n ;;
*) dflt=y ;;
esac
rp='Binary compatibility with Perl 5.003?'
. ./myread
case "$ans" in
y*) val="$define" ;;
*) val="$undef" ;;
esac
set d_bincompat3
eval $setvar
case "$d_bincompat3" in
"$define") bincompat3=y ;;
*) bincompat3=n ;;
esac
: make some quick guesses about what we are up against
echo " "
$echo $n "Hmm... $c"
echo exit 1 >bsd
echo exit 1 >usg
echo exit 1 >v7
echo exit 1 >osf1
echo exit 1 >eunice
echo exit 1 >xenix
echo exit 1 >venix
echo exit 1 >os2
d_bsd="$undef"
$cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null
if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1
then
echo "Looks kind of like an OSF/1 system, but we'll see..."
echo exit 0 >osf1
elif test `echo abc | tr a-z A-Z` = Abc ; then
xxx=`./loc addbib blurfl $pth`
if $test -f $xxx; then
echo "Looks kind of like a USG system with BSD features, but we'll see..."
echo exit 0 >bsd
echo exit 0 >usg
else
if $contains SIGTSTP foo >/dev/null 2>&1 ; then
echo "Looks kind of like an extended USG system, but we'll see..."
else
echo "Looks kind of like a USG system, but we'll see..."
fi
echo exit 0 >usg
fi
elif $contains SIGTSTP foo >/dev/null 2>&1 ; then
echo "Looks kind of like a BSD system, but we'll see..."
d_bsd="$define"
echo exit 0 >bsd
else
echo "Looks kind of like a Version 7 system, but we'll see..."
echo exit 0 >v7
fi
case "$eunicefix" in
*unixtovms*)
$cat <<'EOI'
There is, however, a strange, musty smell in the air that reminds me of
something...hmm...yes...I've got it...there's a VMS nearby, or I'm a Blit.
EOI
echo exit 0 >eunice
d_eunice="$define"
: it so happens the Eunice I know will not run shell scripts in Unix format
;;
*)
echo " "
echo "Congratulations. You aren't running Eunice."
d_eunice="$undef"
;;
esac
: Detect OS2. The p_ variable is set above in the Head.U unit.
case "$p_" in
:) ;;
*)
$cat <<'EOI'
I have the feeling something is not exactly right, however...don't tell me...
lemme think...does HAL ring a bell?...no, of course, you're only running OS/2!
EOI
echo exit 0 >os2
;;
esac
if test -f /xenix; then
echo "Actually, this looks more like a XENIX system..."
echo exit 0 >xenix
d_xenix="$define"
else
echo " "
echo "It's not Xenix..."
d_xenix="$undef"
fi
chmod +x xenix
$eunicefix xenix
if test -f /venix; then
echo "Actually, this looks more like a VENIX system..."
echo exit 0 >venix
else
echo " "
if ./xenix; then
: null
else
echo "Nor is it Venix..."
fi
fi
chmod +x bsd usg v7 osf1 eunice xenix venix os2
$eunicefix bsd usg v7 osf1 eunice xenix venix os2
$rm -f foo
: see if setuid scripts can be secure
$cat <<EOM
Some kernels have a bug that prevents setuid #! scripts from being
secure. Some sites have disabled setuid #! scripts because of this.
First let's decide if your kernel supports secure setuid #! scripts.
(If setuid #! scripts would be secure but have been disabled anyway,
don't say that they are secure if asked.)
EOM
val="$undef"
if $test -d /dev/fd; then
echo "#!$ls" >reflect
chmod +x,u+s reflect
./reflect >flect 2>&1
if $contains "/dev/fd" flect >/dev/null; then
echo "Congratulations, your kernel has secure setuid scripts!" >&4
val="$define"
else
$cat <<EOM
If you are not sure if they are secure, I can check but I'll need a
username and password different from the one you are using right now.
If you don't have such a username or don't want me to test, simply
enter 'none'.
EOM
rp='Other username to test security of setuid scripts with?'
dflt='none'
. ./myread
case "$ans" in
n|none)
case "$d_suidsafe" in
'') echo "I'll assume setuid scripts are *not* secure." >&4
dflt=n;;
"$undef")
echo "Well, the $hint value is *not* secure." >&4
dflt=n;;
*) echo "Well, the $hint value *is* secure." >&4
dflt=y;;
esac
;;
*)
$rm -f reflect flect
echo "#!$ls" >reflect
chmod +x,u+s reflect
echo >flect
chmod a+w flect
echo '"su" will (probably) prompt you for '"$ans's password."
su $ans -c './reflect >flect'
if $contains "/dev/fd" flect >/dev/null; then
echo "Okay, it looks like setuid scripts are secure." >&4
dflt=y
else
echo "I don't think setuid scripts are secure." >&4
dflt=n
fi
;;
esac
rp='Does your kernel have *secure* setuid scripts?'
. ./myread
case "$ans" in
[yY]*) val="$define";;
*) val="$undef";;
esac
fi
else
echo "I don't think setuid scripts are secure (no /dev/fd directory)." >&4
echo "(That's for file descriptors, not floppy disks.)"
val="$undef"
fi
set d_suidsafe
eval $setvar
$rm -f reflect flect
: now see if they want to do setuid emulation
echo " "
val="$undef"
case "$d_suidsafe" in
"$define")
val="$undef"
echo "No need to emulate SUID scripts since they are secure here." >& 4
;;
*)
$cat <<EOM
Some systems have disabled setuid scripts, especially systems where
setuid scripts cannot be secure. On systems where setuid scripts have
been disabled, the setuid/setgid bits on scripts are currently
useless. It is possible for $package to detect those bits and emulate
setuid/setgid in a secure fashion. This emulation will only work if
setuid scripts have been disabled in your kernel.
EOM
case "$d_dosuid" in
"$define") dflt=y ;;
*) dflt=n ;;
esac
rp="Do you want to do setuid/setgid emulation?"
. ./myread
case "$ans" in
[yY]*) val="$define";;
*) val="$undef";;
esac
;;
esac
set d_dosuid
eval $setvar
: determine where site specific libraries go.
set sitelib sitelib
eval $prefixit
case "$sitelib" in
'') dflt="$privlib/site_perl" ;;
*) dflt="$sitelib" ;;
esac
$cat <<EOM
The installation process will also create a directory for
site-specific extensions and modules. Some users find it convenient
to place all local files in this directory rather than in the main
distribution directory.
EOM
fn=d~+
rp='Pathname for the site-specific library files?'
. ./getfile
if $test "X$sitelibexp" != "X$ansexp"; then
installsitelib=''
fi
sitelib="$ans"
sitelibexp="$ansexp"
if $afs; then
$cat <<EOM
Since you are running AFS, I need to distinguish the directory in
which site-specific files reside from the directory in which they are
installed (and from which they are presumably copied to the former
directory by occult means).
EOM
case "$installsitelib" in
'') dflt=`echo $sitelibexp | sed 's#^/afs/#/afs/.#'`;;
*) dflt="$installsitelib";;
esac
fn=de~
rp='Where will site-specific files be installed?'
. ./getfile
installsitelib="$ans"
else
installsitelib="$sitelibexp"
fi
: determine where site specific architecture-dependent libraries go.
xxx=`echo $sitelib/$archname | sed 's!^$prefix!!'`
: xxx is usuually lib/site_perl/archname.
set sitearch sitearch none
eval $prefixit
case "$sitearch" in
'') dflt="$sitelib/$archname" ;;
*) dflt="$sitearch" ;;
esac
$cat <<EOM
The installation process will also create a directory for
architecture-dependent site-specific extensions and modules.
EOM
fn=nd~+
rp='Pathname for the site-specific architecture-dependent library files?'
. ./getfile
if $test "X$sitearchexp" != "X$ansexp"; then
installsitearch=''
fi
sitearch="$ans"
sitearchexp="$ansexp"
if $afs; then
$cat <<EOM
Since you are running AFS, I need to distinguish the directory in
which site-specific architecture-dependent library files reside from
the directory in which they are installed (and from which they are
presumably copied to the former directory by occult means).
EOM
case "$installsitearch" in
'') dflt=`echo $sitearchexp | sed 's#^/afs/#/afs/.#'`;;
*) dflt="$installsitearch";;
esac
fn=de~
rp='Where will site-specific architecture-dependent files be installed?'
. ./getfile
installsitearch="$ans"
else
installsitearch="$sitearchexp"
fi
: determine where old public architecture dependent libraries might be
case "$oldarchlib" in
'') case "$privlib" in
'') ;;
*) dflt="$privlib/$archname"
;;
esac
;;
*) dflt="$oldarchlib"
;;
esac
if $test ! -d "$dflt/auto"; then
dflt=none
fi
cat <<EOM
In 5.001, Perl stored architecture-dependent library files in a directory
with a name such as $privlib/$archname,
and this directory contained files from the standard extensions and
files from any additional extensions you might have added. Starting
with version 5.002, all the architecture-dependent standard extensions
will go into a version-specific directory such as
$archlib,
while locally-added extensions will go into
$sitearch.
If you wish Perl to continue to search the old architecture-dependent
library for your local extensions, give the path to that directory.
If you do not wish to use your old architecture-dependent library
files, answer 'none'.
EOM
fn=dn~
rp='Directory for your old 5.001 architecture-dependent libraries?'
. ./getfile
oldarchlib="$ans"
oldarchlibexp="$ansexp"
case "$oldarchlib" in
''|' ') val="$undef" ;;
*) val="$define" ;;
esac
set d_oldarchlib
eval $setvar
: determine where public executables go
echo " "
set dflt bin bin
eval $prefixit
fn=d~
rp='Pathname where the public executables will reside?'
. ./getfile
if $test "X$ansexp" != "X$binexp"; then
installbin=''
fi
bin="$ans"
binexp="$ansexp"
if $afs; then
$cat <<EOM
Since you are running AFS, I need to distinguish the directory in which
executables reside from the directory in which they are installed (and from
which they are presumably copied to the former directory by occult means).
EOM
case "$installbin" in
'') dflt=`echo $binexp | sed 's#^/afs/#/afs/.#'`;;
*) dflt="$installbin";;
esac
fn=de~
rp='Where will public executables be installed?'
. ./getfile
installbin="$ans"
else
installbin="$binexp"
fi
: determine where manual pages are on this system
echo " "
case "$sysman" in
'')
syspath='/usr/man/man1 /usr/man/mann /usr/man/manl /usr/man/local/man1'
syspath="$syspath /usr/man/u_man/man1 /usr/share/man/man1"
syspath="$syspath /usr/catman/u_man/man1 /usr/man/l_man/man1"
syspath="$syspath /usr/local/man/u_man/man1 /usr/local/man/l_man/man1"
syspath="$syspath /usr/man/man.L /local/man/man1 /usr/local/man/man1"
sysman=`./loc . /usr/man/man1 $syspath`
;;
esac
if $test -d "$sysman"; then
echo "System manual is in $sysman." >&4
else
echo "Could not find manual pages in source form." >&4
fi
: see what memory models we can support
case "$models" in
'')
$cat >pdp11.c <<'EOP'
main() {
#ifdef pdp11
exit(0);
#else
exit(1);
#endif
}
EOP
(cc -o pdp11 pdp11.c) >/dev/null 2>&1
if $test -f pdp11 && ./pdp11 2>/dev/null; then
dflt='unsplit split'
else
tans=`./loc . X /lib/small /lib/large /usr/lib/small /usr/lib/large /lib/medium /usr/lib/medium /lib/huge`
case "$tans" in
X) dflt='none';;
*) if $test -d /lib/small || $test -d /usr/lib/small; then
dflt='small'
else
dflt=''
fi
if $test -d /lib/medium || $test -d /usr/lib/medium; then
dflt="$dflt medium"
fi
if $test -d /lib/large || $test -d /usr/lib/large; then
dflt="$dflt large"
fi
if $test -d /lib/huge || $test -d /usr/lib/huge; then
dflt="$dflt huge"
fi
esac
fi;;
*) dflt="$models";;
esac
$cat <<EOM
Some systems have different model sizes. On most systems they are called
small, medium, large, and huge. On the PDP11 they are called unsplit and
split. If your system doesn't support different memory models, say "none".
If you wish to force everything to one memory model, say "none" here and
put the appropriate flags later when it asks you for other cc and ld flags.
Venix systems may wish to put "none" and let the compiler figure things out.
(In the following question multiple model names should be space separated.)
EOM
rp="Which memory models are supported?"
. ./myread
models="$ans"
case "$models" in
none)
small=''
medium=''
large=''
huge=''
unsplit=''
split=''
;;
*split)
case "$split" in
'') if $contains '\-i' $sysman/ld.1 >/dev/null 2>&1 || \
$contains '\-i' $sysman/cc.1 >/dev/null 2>&1; then
dflt='-i'
else
dflt='none'
fi;;
*) dflt="$split";;
esac
rp="What flag indicates separate I and D space?"
. ./myread
tans="$ans"
case "$tans" in
none) tans='';;
esac
split="$tans"
unsplit='';;
*large*|*small*|*medium*|*huge*)
case "$models" in
*large*)
case "$large" in
'') dflt='-Ml';;
*) dflt="$large";;
esac
rp="What flag indicates large model?"
. ./myread
tans="$ans"
case "$tans" in
none) tans='';
esac
large="$tans";;
*) large='';;
esac
case "$models" in
*huge*) case "$huge" in
'') dflt='-Mh';;
*) dflt="$huge";;
esac
rp="What flag indicates huge model?"
. ./myread
tans="$ans"
case "$tans" in
none) tans='';
esac
huge="$tans";;
*) huge="$large";;
esac
case "$models" in
*medium*) case "$medium" in
'') dflt='-Mm';;
*) dflt="$medium";;
esac
rp="What flag indicates medium model?"
. ./myread
tans="$ans"
case "$tans" in
none) tans='';
esac
medium="$tans";;
*) medium="$large";;
esac
case "$models" in
*small*) case "$small" in
'') dflt='none';;
*) dflt="$small";;
esac
rp="What flag indicates small model?"
. ./myread
tans="$ans"
case "$tans" in
none) tans='';
esac
small="$tans";;
*) small='';;
esac
;;
*)
echo "Unrecognized memory models--you may have to edit Makefile.SH" >&4
;;
esac
: see if we need a special compiler
echo " "
if ./usg; then
case "$cc" in
'') case "$Mcc" in
/*) dflt='Mcc';;
*) case "$large" in
-M*) dflt='cc';;
*) if $contains '\-M' $sysman/cc.1 >/dev/null 2>&1 ; then
if $contains '\-M' $sysman/cpp.1 >/dev/null 2>&1; then
dflt='cc'
else
dflt='cc -M'
fi
else
dflt='cc'
fi;;
esac;;
esac;;
*) dflt="$cc";;
esac
$cat <<'EOM'
On some systems the default C compiler will not resolve multiple global
references that happen to have the same name. On some such systems the "Mcc"
command may be used to force these to be resolved. On other systems a "cc -M"
command is required. (Note that the -M flag on other systems indicates a
memory model to use!) If you have the Gnu C compiler, you might wish to use
that instead.
EOM
rp="What command will force resolution on this system?"
. ./myread
cc="$ans"
else
case "$cc" in
'') dflt=cc;;
*) dflt="$cc";;
esac
rp="Use which C compiler?"
. ./myread
cc="$ans"
fi
echo " "
echo "Checking for GNU cc in disguise and/or its version number..." >&4
$cat >gccvers.c <<EOM
#include <stdio.h>
int main() {
#ifdef __GNUC__
#ifdef __VERSION__
printf("%s\n", __VERSION__);
#else
printf("%s\n", "1");
#endif
#endif
exit(0);
}
EOM
if $cc -o gccvers gccvers.c >/dev/null 2>&1; then
gccversion=`./gccvers`
case "$gccversion" in
'') echo "You are not using GNU cc." ;;
*) echo "You are using GNU cc $gccversion." ;;
esac
else
echo " "
echo "*** WHOA THERE!!! ***" >&4
echo " Your C compiler \"$cc\" doesn't seem to be working!" >&4
case "$knowitall" in
'')
echo " You'd better start hunting for one and let me know about it." >&4
exit 1
;;
esac
fi
$rm -f gccvers*
case "$gccversion" in
1*) cpp=`./loc gcc-cpp $cpp $pth` ;;
esac
: What should the include directory be ?
echo " "
$echo $n "Hmm... $c"
dflt='/usr/include'
incpath=''
mips_type=''
if $test -f /bin/mips && /bin/mips; then
echo "Looks like a MIPS system..."
$cat >usr.c <<'EOCP'
#ifdef SYSTYPE_BSD43
/bsd43
#endif
EOCP
if $cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then
dflt='/bsd43/usr/include'
incpath='/bsd43'
mips_type='BSD 4.3'
else
mips_type='System V'
fi
$rm -f usr.c usr.out
echo "and you're compiling with the $mips_type compiler and libraries."
xxx_prompt=y
echo "exit 0" >mips
else
echo "Doesn't look like a MIPS system."
xxx_prompt=n
echo "exit 1" >mips
fi
chmod +x mips
$eunicefix mips
echo " "
case "$usrinc" in
'') ;;
*) dflt="$usrinc";;
esac
case "$xxx_prompt" in
y) fn=d/
rp='Where are the include files you want to use?'
. ./getfile
usrinc="$ans"
;;
*) usrinc="$dflt"
;;
esac
: Set private lib path
case "$plibpth" in
'') if ./mips; then
plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
fi;;
esac
case "$libpth" in
' ') dlist='';;
'') dlist="$loclibpth $plibpth $glibpth";;
*) dlist="$libpth";;
esac
: Now check and see which directories actually exist, avoiding duplicates
libpth=''
for xxx in $dlist
do
if $test -d $xxx; then
case " $libpth " in
*" $xxx "*) ;;
*) libpth="$libpth $xxx";;
esac
fi
done
$cat <<'EOM'
Some systems have incompatible or broken versions of libraries. Among
the directories listed in the question below, please remove any you
know not to be holding relevant libraries, and add any that are needed.
Say "none" for none.
EOM
case "$libpth" in
'') dflt='none';;
*)
set X $libpth
shift
dflt=${1+"$@"}
;;
esac
rp="Directories to use for library searches?"
. ./myread
case "$ans" in
none) libpth=' ';;
*) libpth="$ans";;
esac
: Define several unixisms. Hints files or command line options
: can be used to override them.
case "$ar" in
'') ar='ar';;
esac
case "$lib_ext" in
'') lib_ext='.a';;
esac
case "$obj_ext" in
'') obj_ext='.o';;
esac
case "$path_sep" in
'') path_sep=':';;
esac
: Which makefile gets called first. This is used by make depend.
case "$firstmakefile" in
'') firstmakefile='makefile';;
esac
: compute shared library extension
case "$so" in
'')
if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then
dflt='sl'
else
dflt='so'
fi
;;
*) dflt="$so";;
esac
$cat <<EOM
On some systems, shared libraries may be available. Answer 'none' if
you want to suppress searching of shared libraries for the remaining
of this configuration.
EOM
rp='What is the file extension used for shared libraries?'
. ./myread
so="$ans"
: Looking for optional libraries
echo " "
echo "Checking for optional libraries..." >&4
case "$libs" in
' '|'') dflt='';;
*) dflt="$libs";;
esac
case "$libswanted" in
'') libswanted='c_s';;
esac
for thislib in $libswanted; do
if xxx=`./loc lib$thislib.$so.[0-9]'*' X $libpth`; $test -f "$xxx"; then
echo "Found -l$thislib (shared)."
case " $dflt " in
*"-l$thislib "*);;
*) dflt="$dflt -l$thislib";;
esac
elif xxx=`./loc lib$thislib.$so X $libpth` ; $test -f "$xxx"; then
echo "Found -l$thislib (shared)."
case " $dflt " in
*"-l$thislib "*);;
*) dflt="$dflt -l$thislib";;
esac
elif xxx=`./loc lib$thislib$lib_ext X $libpth`; $test -f "$xxx"; then
echo "Found -l$thislib."
case " $dflt " in
*"-l$thislib "*);;
*) dflt="$dflt -l$thislib";;
esac
elif xxx=`./loc $thislib$lib_ext X $libpth`; $test -f "$xxx"; then
echo "Found -l$thislib."
case " $dflt " in
*"-l$thislib "*);;
*) dflt="$dflt -l$thislib";;
esac
elif xxx=`./loc lib${thislib}_s$lib_ext X $libpth`; $test -f "$xxx"; then
echo "Found -l${thislib}_s."
case " $dflt " in
*"-l$thislib "*);;
*) dflt="$dflt -l${thislib}_s";;
esac
elif xxx=`./loc Slib$thislib$lib_ext X $xlibpth`; $test -f "$xxx"; then
echo "Found -l$thislib."
case " $dflt " in
*"-l$thislib "*);;
*) dflt="$dflt -l$thislib";;
esac
else
echo "No -l$thislib."
fi
done
set X $dflt
shift
dflt="$*"
case "$libs" in
'') dflt="$dflt";;
*) dflt="$libs";;
esac
case "$dflt" in
' '|'') dflt='none';;
esac
$cat <<EOM
Some versions of Unix support shared libraries, which make executables smaller
but make load time slightly longer.
On some systems, mostly System V Release 3's, the shared library is included
by putting the option "-lc_s" as the last thing on the cc command line when
linking. Other systems use shared libraries by default. There may be other
libraries needed to compile $package on your machine as well. If your system
needs the "-lc_s" option, include it here. Include any other special libraries
here as well. Say "none" for none.
EOM
echo " "
rp="Any additional libraries?"
. ./myread
case "$ans" in
none) libs=' ';;
*) libs="$ans";;
esac
: see how we invoke the C preprocessor
echo " "
echo "Now, how can we feed standard input to your C preprocessor..." >&4
cat <<'EOT' >testcpp.c
#define ABC abc
#define XYZ xyz
ABC.XYZ
EOT
cd ..
echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
chmod 755 cppstdin
wrapper=`pwd`/cppstdin
ok='false'
cd UU
if $test "X$cppstdin" != "X" && \
$cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
then
echo "You used to use $cppstdin $cppminus so we'll use that again."
case "$cpprun" in
'') echo "But let's see if we can live without a wrapper..." ;;
*)
if $cpprun $cpplast <testcpp.c >testcpp.out 2>&1 && \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
then
echo "(And we'll use $cpprun $cpplast to preprocess directly.)"
ok='true'
else
echo "(However, $cpprun $cpplast does not work, let's see...)"
fi
;;
esac
else
case "$cppstdin" in
'') ;;
*)
echo "Good old $cppstdin $cppminus does not seem to be of any help..."
;;
esac
fi
if $ok; then
: nothing
elif echo 'Maybe "'"$cc"' -E" will work...'; \
$cc -E <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
echo "Yup, it does."
x_cpp="$cc -E"
x_minus='';
elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \
$cc -E - <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
echo "Yup, it does."
x_cpp="$cc -E"
x_minus='-';
elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \
$cc -P <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
echo "Yipee, that works!"
x_cpp="$cc -P"
x_minus='';
elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \
$cc -P - <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
echo "At long last!"
x_cpp="$cc -P"
x_minus='-';
elif echo 'No such luck, maybe "'$cpp'" will work...'; \
$cpp <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
echo "It works!"
x_cpp="$cpp"
x_minus='';
elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \
$cpp - <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
echo "Hooray, it works! I was beginning to wonder."
x_cpp="$cpp"
x_minus='-';
elif echo 'Uh-uh. Time to get fancy. Trying a wrapper...'; \
$wrapper <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
x_cpp="$wrapper"
x_minus=''
echo "Eureka!"
else
dflt=''
rp="No dice. I can't find a C preprocessor. Name one:"
. ./myread
x_cpp="$ans"
x_minus=''
$x_cpp <testcpp.c >testcpp.out 2>&1
if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
echo "OK, that will do." >&4
else
echo "Sorry, I can't get that to work. Go find one and rerun Configure." >&4
exit 1
fi
fi
case "$ok" in
false)
cppstdin="$x_cpp"
cppminus="$x_minus"
cpprun="$x_cpp"
cpplast="$x_minus"
set X $x_cpp
shift
case "$1" in
"$cpp")
echo "Perhaps can we force $cc -E using a wrapper..."
if $wrapper <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
then
echo "Yup, we can."
cppstdin="$wrapper"
cppminus='';
else
echo "Nope, we'll have to live without it..."
fi
;;
esac
case "$cpprun" in
"$wrapper")
cpprun=''
cpplast=''
;;
esac
;;
esac
case "$cppstdin" in
"$wrapper") ;;
*) $rm -f $wrapper;;
esac
$rm -f testcpp.c testcpp.out
: determine optimize, if desired, or use for debug flag also
case "$optimize" in
' '|$undef) dflt='none';;
'') dflt='-O';;
*) dflt="$optimize";;
esac
$cat <<EOH
Some C compilers have problems with their optimizers. By default, $package
compiles with the -O flag to use the optimizer. Alternately, you might want
to use the symbolic debugger, which uses the -g flag (on traditional Unix
systems). Either flag can be specified here. To use neither flag, specify
the word "none".
EOH
rp="What optimizer/debugger flag should be used?"
. ./myread
optimize="$ans"
case "$optimize" in
'none') optimize=" ";;
esac
dflt=''
: We will not override a previous value, but we might want to
: augment a hint file
case "$hint" in
none|recommended)
case "$gccversion" in
1*) dflt='-fpcc-struct-return' ;;
esac
case "$optimize" in
*-g*) dflt="$dflt -DDEBUGGING";;
esac
case "$gccversion" in
2*) if test -d /etc/conf/kconfig.d &&
$contains _POSIX_VERSION $usrinc/sys/unistd.h >/dev/null 2>&1
then
dflt="$dflt -posix"
fi
;;
esac
;;
esac
case "$mips_type" in
*BSD*|'') inclwanted="$locincpth $usrinc";;
*) inclwanted="$locincpth $inclwanted $usrinc/bsd";;
esac
for thisincl in $inclwanted; do
if $test -d $thisincl; then
if $test x$thisincl != x$usrinc; then
case "$dflt" in
*$thisincl*);;
*) dflt="$dflt -I$thisincl";;
esac
fi
fi
done
inctest='if $contains $2 $usrinc/$1 >/dev/null 2>&1; then
xxx=true;
elif $contains $2 $usrinc/sys/$1 >/dev/null 2>&1; then
xxx=true;
else
xxx=false;
fi;
if $xxx; then
case "$dflt" in
*$2*);;
*) dflt="$dflt -D$2";;
esac;
fi'
if ./osf1; then
set signal.h __LANGUAGE_C__; eval $inctest
else
set signal.h LANGUAGE_C; eval $inctest
fi
case "$hint" in
none|recommended) dflt="$ccflags $dflt" ;;
*) dflt="$ccflags";;
esac
case "$dflt" in
''|' ') dflt=none;;
esac
$cat <<EOH
Your C compiler may want other flags. For this question you should include
-I/whatever and -DWHATEVER flags and any other flags used by the C compiler,
but you should NOT include libraries or ld flags like -lwhatever. If you
want $package to honor its debug switch, you should include -DDEBUGGING here.
Your C compiler might also need additional flags, such as -D_POSIX_SOURCE,
-DHIDEMYMALLOC or -DCRIPPLED_CC.
To use no flags, specify the word "none".
EOH
set X $dflt
shift
dflt=${1+"$@"}
rp="Any additional cc flags?"
. ./myread
case "$ans" in
none) ccflags='';;
*) ccflags="$ans";;
esac
: the following weeds options from ccflags that are of no interest to cpp
cppflags="$ccflags"
case "$gccversion" in
1*) cppflags="$cppflags -D__GNUC__"
esac
case "$mips_type" in
'');;
*BSD*) cppflags="$cppflags -DSYSTYPE_BSD43";;
esac
case "$cppflags" in
'');;
*)
echo " "
echo "Let me guess what the preprocessor flags are..." >&4
set X $cppflags
shift
cppflags=''
$cat >cpp.c <<'EOM'
#define BLURFL foo
BLURFL xx LFRULB
EOM
previous=''
for flag in $*
do
case "$flag" in
-*) ftry="$flag";;
*) ftry="$previous $flag";;
esac
if $cppstdin -DLFRULB=bar $cppflags $ftry $cppminus <cpp.c \
>cpp1.out 2>/dev/null && \
$cpprun -DLFRULB=bar $ftry $cpplast <cpp.c \
>cpp2.out 2>/dev/null && \
$contains 'foo.*xx.*bar' cpp1.out >/dev/null 2>&1 && \
$contains 'foo.*xx.*bar' cpp2.out >/dev/null 2>&1
then
cppflags="$cppflags $ftry"
previous=''
else
previous="$flag"
fi
done
set X $cppflags
shift
cppflags=${1+"$@"}
case "$cppflags" in
*-*) echo "They appear to be: $cppflags";;
esac
$rm -f cpp.c cpp?.out
;;
esac
: flags used in final linking phase
case "$ldflags" in
'') if ./venix; then
dflt='-i -z'
else
dflt=''
fi
case "$ccflags" in
*-posix*) dflt="$dflt -posix" ;;
esac
;;
*) dflt="$ldflags";;
esac
: Try to guess additional flags to pick up local libraries.
for thislibdir in $libpth; do
case " $loclibpth " in
*" $thislibdir "*)
case "$dflt " in
*"-L$thislibdir "*) ;;
*) dflt="$dflt -L$thislibdir" ;;
esac
;;
esac
done
case "$dflt" in
'') dflt='none' ;;
esac
$cat <<EOH
Your C linker may need flags. For this question you should
include -L/whatever and any other flags used by the C linker, but you
should NOT include libraries like -lwhatever.
Make sure you include the appropriate -L/path flags if your C linker
does not normally search all of the directories you specified above,
namely
$libpth
To use no flags, specify the word "none".
EOH
rp="Any additional ld flags (NOT including libraries)?"
. ./myread
case "$ans" in
none) ldflags='';;
*) ldflags="$ans";;
esac
rmlist="$rmlist pdp11"
: coherency check
echo " "
echo "Checking your choice of C compiler, libs, and flags for coherency..." >&4
set X $cc $optimize $ccflags $ldflags -o try try.c $libs
shift
$cat >try.msg <<EOM
I've tried to compile and run a simple program with:
$*
./try
and I got the following output:
EOM
$cat > try.c <<'EOF'
#include <stdio.h>
main() { exit(0); }
EOF
dflt=y
if sh -c "$cc $optimize $ccflags -o try try.c $ldflags $libs" >>try.msg 2>&1; then
if sh -c './try' >>try.msg 2>&1; then
dflt=n
else
echo "The program compiled OK, but exited with status $?." >>try.msg
rp="You have a problem. Shall I abort Configure (and explain the problem)"
dflt=y
fi
else
echo "I can't compile the test program." >>try.msg
rp="You have a BIG problem. Shall I abort Configure (and explain the problem)"
dflt=y
fi
case "$dflt" in
y)
$cat try.msg >&4
case "$knowitall" in
'')
echo "(The supplied flags might be incorrect with this C compiler.)"
;;
*) dflt=n;;
esac
echo " "
. ./myread
case "$ans" in
n*|N*) ;;
*) echo "Ok. Stopping Configure." >&4
exit 1
;;
esac
;;
n) echo "OK, that should do.";;
esac
$rm -f try try.* core
echo " "
echo "Checking for GNU C Library..." >&4
cat >gnulibc.c <<EOM
int
main()
{
return __libc_main();
}
EOM
if $cc $ccflags $ldflags -o gnulibc gnulibc.c $libs >/dev/null 2>&1 && \
./gnulibc | $contains '^GNU C Library' >/dev/null 2>&1; then
val="$define"
echo "You are using the GNU C Library"
else
val="$undef"
echo "You are not using the GNU C Library"
fi
$rm -f gnulibc*
set d_gnulibc
eval $setvar
: see if nm is to be used to determine whether a symbol is defined or not
case "$usenm" in
'')
case "$d_gnulibc" in
$define)
dflt=n
;;
*)
dflt=`egrep 'inlibc|csym' ../Configure | wc -l 2>/dev/null`
if $test $dflt -gt 20; then
dflt=y
else
dflt=n
fi
;;
esac
;;
*)
case "$usenm" in
true) dflt=y;;
*) dflt=n;;
esac
;;
esac
$cat <<EOM
I can use 'nm' to extract the symbols from your C libraries. This is a time
consuming task which may generate huge output on the disk (up to 3 megabytes)
but that should make the symbols extraction faster. The alternative is to skip
the 'nm' extraction part and to compile a small test program instead to
determine whether each symbol is present. If you have a fast C compiler and/or
if your 'nm' output cannot be parsed, this may be the best solution.
You shouldn't let me use 'nm' if you have the GNU C Library.
EOM
rp='Shall I use nm to extract C symbols from the libraries?'
. ./myread
case "$ans" in
n|N) usenm=false;;
*) usenm=true;;
esac
runnm=$usenm
case "$reuseval" in
true) runnm=false;;
esac
: nm options which may be necessary
case "$nm_opt" in
'') if $test -f /mach_boot; then
nm_opt='' # Mach
elif $test -d /usr/ccs/lib; then
nm_opt='-p' # Solaris (and SunOS?)
elif $test -f /dgux; then
nm_opt='-p' # DG-UX
elif $test -f /lib64/rld; then
nm_opt='-p' # 64-bit Irix
else
nm_opt=''
fi;;
esac
: nm options which may be necessary for shared libraries but illegal
: for archive libraries. Thank you, Linux.
case "$nm_so_opt" in
'') case "$myuname" in
*linux*)
if nm --help | $grep 'dynamic' > /dev/null 2>&1; then
nm_so_opt='--dynamic'
fi
;;
esac
;;
esac
case "$runnm" in
true)
: get list of predefined functions in a handy place
echo " "
case "$libc" in
'') libc=unknown
case "$libs" in
*-lc_s*) libc=`./loc libc_s$lib_ext $libc $libpth`
esac
;;
esac
libnames='';
case "$libs" in
'') ;;
*) for thislib in $libs; do
case "$thislib" in
-lc|-lc_s)
: Handle C library specially below.
;;
-l*)
thislib=`echo $thislib | $sed -e 's/^-l//'`
if try=`./loc lib$thislib.$so.'*' X $libpth`; $test -f "$try"; then
:
elif try=`./loc lib$thislib.$so X $libpth`; $test -f "$try"; then
:
elif try=`./loc lib$thislib$lib_ext X $libpth`; $test -f "$try"; then
:
elif try=`./loc $thislib$lib_ext X $libpth`; $test -f "$try"; then
:
elif try=`./loc lib$thislib X $libpth`; $test -f "$try"; then
:
elif try=`./loc $thislib X $libpth`; $test -f "$try"; then
:
elif try=`./loc Slib$thislib$lib_ext X $xlibpth`; $test -f "$try"; then
:
else
try=''
fi
libnames="$libnames $try"
;;
*) libnames="$libnames $thislib" ;;
esac
done
;;
esac
xxx=normal
case "$libc" in
unknown)
set /lib/libc.$so
for xxx in $libpth; do
$test -r $1 || set $xxx/libc.$so
: The messy sed command sorts on library version numbers.
$test -r $1 || \
set `echo blurfl; echo $xxx/libc.$so.[0-9]* | \
tr ' ' '\012' | egrep -v '\.[A-Za-z]*$' | $sed -e '
h
s/[0-9][0-9]*/0000&/g
s/0*\([0-9][0-9][0-9][0-9][0-9]\)/\1/g
G
s/\n/ /' | \
sort | $sed -e 's/^.* //'`
eval set \$$#
done
$test -r $1 || set /usr/ccs/lib/libc.$so
$test -r $1 || set /lib/libsys_s$lib_ext
;;
*)
set blurfl
;;
esac
if $test -r "$1"; then
echo "Your (shared) C library seems to be in $1."
libc="$1"
elif $test -r /lib/libc && $test -r /lib/clib; then
echo "Your C library seems to be in both /lib/clib and /lib/libc."
xxx=apollo
libc='/lib/clib /lib/libc'
if $test -r /lib/syslib; then
echo "(Your math library is in /lib/syslib.)"
libc="$libc /lib/syslib"
fi
elif $test -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
echo "Your C library seems to be in $libc, as you said before."
elif $test -r $incpath/usr/lib/libc$lib_ext; then
libc=$incpath/usr/lib/libc$lib_ext;
echo "Your C library seems to be in $libc. That's fine."
elif $test -r /lib/libc$lib_ext; then
libc=/lib/libc$lib_ext;
echo "Your C library seems to be in $libc. You're normal."
else
if tans=`./loc libc$lib_ext blurfl/dyick $libpth`; $test -r "$tans"; then
:
elif tans=`./loc libc blurfl/dyick $libpth`; $test -r "$tans"; then
libnames="$libnames "`./loc clib blurfl/dyick $libpth`
elif tans=`./loc clib blurfl/dyick $libpth`; $test -r "$tans"; then
:
elif tans=`./loc Slibc$lib_ext blurfl/dyick $xlibpth`; $test -r "$tans"; then
:
elif tans=`./loc Mlibc$lib_ext blurfl/dyick $xlibpth`; $test -r "$tans"; then
:
else
tans=`./loc Llibc$lib_ext blurfl/dyick $xlibpth`
fi
if $test -r "$tans"; then
echo "Your C library seems to be in $tans, of all places."
libc=$tans
else
libc='blurfl'
fi
fi
if $test $xxx = apollo -o -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
dflt="$libc"
cat <<EOM
If the guess above is wrong (which it might be if you're using a strange
compiler, or your machine supports multiple models), you can override it here.
EOM
else
dflt=''
echo $libpth | tr ' ' '\012' | sort | uniq > libpath
cat >&4 <<EOM
I can't seem to find your C library. I've looked in the following places:
EOM
$sed 's/^/ /' libpath
cat <<EOM
None of these seems to contain your C library. I need to get its name...
EOM
fi
fn=f
rp='Where is your C library?'
. ./getfile
libc="$ans"
echo " "
echo $libc $libnames | tr ' ' '\012' | sort | uniq > libnames
set X `cat libnames`
shift
xxx=files
case $# in 1) xxx=file; esac
echo "Extracting names from the following $xxx for later perusal:" >&4
echo " "
$sed 's/^/ /' libnames >&4
echo " "
$echo $n "This may take a while...$c" >&4
: Linux may need the special Dynamic option to nm for shared libraries.
: In general, this is stored in the nm_so_opt variable.
: Unfortunately, that option may be fatal on non-shared libraries.
for nm_libs_ext in $*; do
case $nm_libs_ext in
*$so*) nm $nm_so_opt $nm_opt $nm_libs_ext 2>/dev/null ;;
*) nm $nm_opt $nm_libs_ext 2>/dev/null ;;
esac
done > libc.tmp
$echo $n ".$c"
$grep fprintf libc.tmp > libc.ptf
xscan='eval "<libc.ptf $com >libc.list"; $echo $n ".$c" >&4'
xrun='eval "<libc.tmp $com >libc.list"; echo "done" >&4'
xxx='[ADTSIW]'
if com="$sed -n -e 's/__IO//' -e 's/^.* $xxx *_[_.]*//p' -e 's/^.* $xxx *//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^__*//' -e 's/^\([a-zA-Z_0-9$]*\).*xtern.*/\1/p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e '/|UNDEF/d' -e '/FUNC..GL/s/^.*|__*//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^.* D __*//p' -e 's/^.* D //p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^_//' -e 's/^\([a-zA-Z_0-9]*\).*xtern.*text.*/\1/p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$grep '|' | $sed -n -e '/|COMMON/d' -e '/|DATA/d' \
-e '/ file/d' -e 's/^\([^ ]*\).*/\1/p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p' -e 's/^.*|FUNC |WEAK .*|//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^__//' -e '/|Undef/d' -e '/|Proc/s/ .*//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^.*|Proc .*|Text *| *//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e '/Def. Text/s/.* \([^ ]*\)\$/\1/p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^[-0-9a-f ]*_\(.*\)=.*/\1/p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/.*\.text n\ \ \ \.//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
else
nm -p $* 2>/dev/null >libc.tmp
$grep fprintf libc.tmp > libc.ptf
if com="$sed -n -e 's/^.* [ADTSIW] *_[_.]*//p' -e 's/^.* [ADTSIW] //p'";\
eval $xscan; $contains '^fprintf$' libc.list >/dev/null 2>&1
then
nm_opt='-p'
eval $xrun
else
echo " "
echo "nm didn't seem to work right. Trying ar instead..." >&4
com=''
if ar t $libc > libc.tmp; then
for thisname in $libnames; do
ar t $thisname >>libc.tmp
done
$sed -e 's/\.o$//' < libc.tmp > libc.list
echo "Ok." >&4
else
echo "ar didn't seem to work right." >&4
echo "Maybe this is a Cray...trying bld instead..." >&4
if bld t $libc | $sed -e 's/.*\///' -e 's/\.o:.*$//' > libc.list
then
for thisname in $libnames; do
bld t $libnames | \
$sed -e 's/.*\///' -e 's/\.o:.*$//' >>libc.list
ar t $thisname >>libc.tmp
done
echo "Ok." >&4
else
echo "That didn't work either. Giving up." >&4
exit 1
fi
fi
fi
fi
nm_extract="$com"
if $test -f /lib/syscalls.exp; then
echo " "
echo "Also extracting names from /lib/syscalls.exp for good ole AIX..." >&4
$sed -n 's/^\([^ ]*\)[ ]*syscall$/\1/p' /lib/syscalls.exp >>libc.list
fi
;;
esac
$rm -f libnames libpath
: determine filename position in cpp output
echo " "
echo "Computing filename position in cpp output for #include directives..." >&4
echo '#include <stdio.h>' > foo.c
$cat >fieldn <<EOF
$startsh
$cppstdin $cppflags $cppminus <foo.c 2>/dev/null | \
$grep '^[ ]*#.*stdio\.h' | \
while read cline; do
pos=1
set \$cline
while $test \$# -gt 0; do
if $test -r \`echo \$1 | $tr -d '"'\`; then
echo "\$pos"
exit 0
fi
shift
pos=\`expr \$pos + 1\`
done
done
EOF
chmod +x fieldn
fieldn=`./fieldn`
$rm -f foo.c fieldn
case $fieldn in
'') pos='???';;
1) pos=first;;
2) pos=second;;
3) pos=third;;
*) pos="${fieldn}th";;
esac
echo "Your cpp writes the filename in the $pos field of the line."
: locate header file
$cat >findhdr <<EOF
$startsh
wanted=\$1
name=''
if test -f $usrinc/\$wanted; then
echo "$usrinc/\$wanted"
exit 0
fi
awkprg='{ print \$$fieldn }'
echo "#include <\$wanted>" > foo\$\$.c
$cppstdin $cppminus $cppflags < foo\$\$.c 2>/dev/null | \
$grep "^[ ]*#.*\$wanted" | \
while read cline; do
name=\`echo \$cline | $awk "\$awkprg" | $tr -d '"'\`
case "\$name" in
*/\$wanted) echo "\$name"; exit 0;;
*) name='';;
esac;
done;
$rm -f foo\$\$.c;
case "\$name" in
'') exit 1;;
esac
EOF
chmod +x findhdr
: define an alternate in-header-list? function
inhdr='echo " "; td=$define; tu=$undef; yyy=$@;
cont=true; xxf="echo \"<\$1> found.\" >&4";
case $# in 2) xxnf="echo \"<\$1> NOT found.\" >&4";;
*) xxnf="echo \"<\$1> NOT found, ...\" >&4";;
esac;
case $# in 4) instead=instead;; *) instead="at last";; esac;
while $test "$cont"; do
xxx=`./findhdr $1`
var=$2; eval "was=\$$2";
if $test "$xxx" && $test -r "$xxx";
then eval $xxf;
eval "case \"\$$var\" in $undef) . ./whoa; esac"; eval "$var=\$td";
cont="";
else eval $xxnf;
eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu"; fi;
set $yyy; shift; shift; yyy=$@;
case $# in 0) cont="";;
2) xxf="echo \"but I found <\$1> $instead.\" >&4";
xxnf="echo \"and I did not find <\$1> either.\" >&4";;
*) xxf="echo \"but I found <\$1\> instead.\" >&4";
xxnf="echo \"there is no <\$1>, ...\" >&4";;
esac;
done;
while $test "$yyy";
do set $yyy; var=$2; eval "was=\$$2";
eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu";
set $yyy; shift; shift; yyy=$@;
done'
: see if dld is available
set dld.h i_dld
eval $inhdr
: is a C symbol defined?
csym='tlook=$1;
case "$3" in
-v) tf=libc.tmp; tc=""; tdc="";;
-a) tf=libc.tmp; tc="[0]"; tdc="[]";;
*) tlook="^$1\$"; tf=libc.list; tc="()"; tdc="()";;
esac;
tx=yes;
case "$reuseval-$4" in
true-) ;;
true-*) tx=no; eval "tval=\$$4"; case "$tval" in "") tx=yes;; esac;;
esac;
case "$tx" in
yes)
case "$runnm" in
true)
if $contains $tlook $tf >/dev/null 2>&1;
then tval=true;
else tval=false;
fi;;
*)
echo "main() { extern short $1$tdc; printf(\"%hd\", $1$tc); }" > t.c;
if $cc $ccflags $ldflags -o t t.c $libs >/dev/null 2>&1;
then tval=true;
else tval=false;
fi;
$rm -f t t.c;;
esac;;
*)
case "$tval" in
$define) tval=true;;
*) tval=false;;
esac;;
esac;
eval "$2=$tval"'
: define an is-in-libc? function
inlibc='echo " "; td=$define; tu=$undef;
sym=$1; var=$2; eval "was=\$$2";
tx=yes;
case "$reuseval$was" in
true) ;;
true*) tx=no;;
esac;
case "$tx" in
yes)
set $sym tres -f;
eval $csym;
case "$tres" in
true)
echo "$sym() found." >&4;
case "$was" in $undef) . ./whoa; esac; eval "$var=\$td";;
*)
echo "$sym() NOT found." >&4;
case "$was" in $define) . ./whoa; esac; eval "$var=\$tu";;
esac;;
*)
case "$was" in
$define) echo "$sym() found." >&4;;
*) echo "$sym() NOT found." >&4;;
esac;;
esac'
: see if dlopen exists
xxx_runnm="$runnm"
runnm=false
set dlopen d_dlopen
eval $inlibc
runnm="$xxx_runnm"
: determine which dynamic loading, if any, to compile in
echo " "
dldir="ext/DynaLoader"
case "$usedl" in
$define|y|true)
dflt='y'
usedl="$define"
;;
$undef|n|false)
dflt='n'
usedl="$undef"
;;
*)
dflt='n'
case "$d_dlopen" in
$define) dflt='y' ;;
esac
case "$i_dld" in
$define) dflt='y' ;;
esac
: Does a dl_xxx.xs file exist for this operating system
$test -f ../$dldir/dl_${osname}.xs && dflt='y'
;;
esac
rp="Do you wish to use dynamic loading?"
. ./myread
usedl="$ans"
case "$ans" in
y*) usedl="$define"
case "$dlsrc" in
'')
if $test -f ../$dldir/dl_${osname}.xs ; then
dflt="$dldir/dl_${osname}.xs"
elif $test "$d_dlopen" = "$define" ; then
dflt="$dldir/dl_dlopen.xs"
elif $test "$i_dld" = "$define" ; then
dflt="$dldir/dl_dld.xs"
else
dflt=''
fi
;;
*) dflt="$dldir/$dlsrc"
;;
esac
echo "The following dynamic loading files are available:"
: Can not go over to $dldir because getfile has path hard-coded in.
cd ..; ls -C $dldir/dl*.xs; cd UU
rp="Source file to use for dynamic loading"
fn="fne"
. ./getfile
usedl="$define"
: emulate basename
dlsrc=`echo $ans | $sed -e 's@.*/\([^/]*\)$@\1@'`
$cat << EOM
Some systems may require passing special flags to $cc -c to
compile modules that will be used to create a shared library.
To use no flags, say "none".
EOM
case "$cccdlflags" in
'') case "$gccversion" in
'') case "$osname" in
hpux) dflt='+z' ;;
next) dflt='none' ;;
svr4*|esix*) dflt='-Kpic' ;;
irix*) dflt='-KPIC' ;;
solaris) case "$ccflags" in
*-DDEBUGGING*) dflt='-KPIC' ;;
*) dflt='-Kpic' ;;
esac ;;
sunos) dflt='-pic' ;;
*) dflt='none' ;;
esac ;;
*) case "$osname/$ccflags" in
solaris/*-DDEBUGGING*) dflt='-fPIC' ;;
*) dflt='-fpic' ;;
esac ;;
esac ;;
*) dflt="$cccdlflags" ;;
esac
rp="Any special flags to pass to $cc -c to compile shared library modules?"
. ./myread
case "$ans" in
none) cccdlflags=' ' ;;
*) cccdlflags="$ans" ;;
esac
cat << EOM
Some systems use ld to create libraries that can be dynamically loaded,
while other systems (such as those using ELF) use $cc.
EOM
case "$ld" in
'') $cat >try.c <<'EOM'
/* Test for whether ELF binaries are produced */
#include <fcntl.h>
#include <stdlib.h>
main() {
char b[4];
int i = open("a.out",O_RDONLY);
if(i == -1)
exit(1); /* fail */
if(read(i,b,4)==4 && b[0]==127 && b[1]=='E' && b[2]=='L' && b[3]=='F')
exit(0); /* succeed (yes, it's ELF) */
else
exit(1); /* fail */
}
EOM
if $cc $ccflags try.c >/dev/null 2>&1 && ./a.out; then
cat <<EOM
You appear to have ELF support. I'll use $cc to build dynamic libraries.
EOM
dflt="$cc"
else
echo "I'll use ld to build dynamic libraries."
dflt='ld'
fi
rm -f try.c a.out
;;
*) dflt="$ld"
;;
esac
rp="What command should be used to create dynamic libraries?"
. ./myread
ld="$ans"
cat << EOM
Some systems may require passing special flags to $ld to create a
library that can be dynamically loaded. If your ld flags include
-L/other/path options to locate libraries outside your loader's normal
search path, you may need to specify those -L options here as well. To
use no flags, say "none".
EOM
case "$lddlflags" in
'') case "$osname" in
hpux) dflt='-b' ;;
linux|irix*) dflt='-shared' ;;
next) dflt='none' ;;
solaris) dflt='-G' ;;
sunos) dflt='-assert nodefinitions' ;;
svr4*|esix*) dflt="-G $ldflags" ;;
*) dflt='none' ;;
esac
;;
*) dflt="$lddlflags" ;;
esac
: Try to guess additional flags to pick up local libraries.
for thisflag in $ldflags; do
case "$thisflag" in
-L*)
case " $dflt " in
*" $thisflag "*) ;;
*) dflt="$dflt $thisflag" ;;
esac
;;
esac
done
case "$dflt" in
'') dflt='none' ;;
esac
rp="Any special flags to pass to $ld to create a dynamically loaded library?"
. ./myread
case "$ans" in
none) lddlflags=' ' ;;
*) lddlflags="$ans" ;;
esac
cat <<EOM
Some systems may require passing special flags to $cc to indicate that
the resulting executable will use dynamic linking. To use no flags,
say "none".
EOM
case "$ccdlflags" in
'') case "$osname" in
hpux) dflt='-Wl,-E' ;;
linux) dflt='-rdynamic' ;;
next) dflt='none' ;;
sunos) dflt='none' ;;
*) dflt='none' ;;
esac ;;
*) dflt="$ccdlflags" ;;
esac
rp="Any special flags to pass to $cc to use dynamic loading?"
. ./myread
case "$ans" in
none) ccdlflags=' ' ;;
*) ccdlflags="$ans" ;;
esac
;;
*) usedl="$undef"
ld='ld'
dlsrc='dl_none.xs'
lddlflags=''
ccdlflags=''
;;
esac
also=''
case "$usedl" in
$undef)
# No dynamic loading being used, so don't bother even to prompt.
useshrplib='false'
;;
*) case "$useshrplib" in
'') case "$osname" in
svr4*|dgux|dynixptx|esix|powerux)
dflt=y
also='Building a shared libperl is required for dynamic loading to work on your system.'
;;
next*)
case "$osvers" in
4*) dflt=y
also='Building a shared libperl is needed for MAB support.'
;;
*) dflt=n
;;
esac
;;
sunos)
dflt=n
also='Building a shared libperl will definitely not work on SunOS 4.'
;;
*) dflt=n
;;
esac
;;
$define|true|[Yy]*)
dflt=y
;;
*) dflt=n
;;
esac
$cat << EOM
The perl executable is normally obtained by linking perlmain.c with
libperl${lib_ext}, any static extensions (usually just DynaLoader), and
any other libraries needed on this system (such as -lm, etc.). Since
your system supports dynamic loading, it is probably possible to build
a shared libperl.$so. If you will have more than one executable linked
to libperl.$so, this will significantly reduce the size of each
executable, but it may have a noticeable affect on performance. The
default is probably sensible for your system.
$also
EOM
rp="Build a shared libperl.$so (y/n)"
. ./myread
case "$ans" in
true|$define|[Yy]*)
useshrplib='true'
# Why does next4 have to be so different?
case "${osname}${osvers}" in
next4*) xxx='DYLD_LIBRARY_PATH' ;;
*) xxx='LD_LIBRARY_PATH' ;;
esac
$cat <<EOM >&4
To build perl, you must add the current working directory to your
$xxx environtment variable before running make. You can do
this with
$xxx=\`pwd\`; export $xxx
for Bourne-style shells, or
setenv $xxx \`pwd\`
for Csh-style shells. You *MUST* do this before running make.
EOM
;;
*) useshrplib='false' ;;
esac
;;
esac
case "$useshrplib" in
true)
case "$libperl" in
'')
# Figure out a good name for libperl.so. Since it gets stored in
# a version-specific architecture-dependent library, the version
# number isn't really that important, except for making cc/ld happy.
#
# A name such as libperl.so.3.1
majmin="libperl.$so.$patchlevel.$subversion"
# A name such as libperl.so.301
majonly=`echo $patchlevel $subversion |
$awk '{printf "%d%02d", $1, $2}'`
majonly=libperl.$so.$majonly
# I'd prefer to keep the os-specific stuff here to a minimum, and
# rely on figuring it out from the naming of libc.
case "${osname}${osvers}" in
next4*)
dflt=libperl.5.$so
# XXX How handle the --version stuff for MAB?
;;
linux*) # ld won't link with a bare -lperl otherwise.
dflt=libperl.$so
;;
*) # Try to guess based on whether libc has major.minor.
case "$libc" in
*libc.$so.[0-9]*.[0-9]*) dflt=$majmin ;;
*libc.$so.[0-9]*) dflt=$majonly ;;
*) dflt=libperl.$so ;;
esac
;;
esac
;;
*) dflt=$libperl
;;
esac
cat << EOM
I need to select a good name for the shared libperl. If your system uses
library names with major and minor numbers, then you might want something
like $majmin. Alternatively, if your system uses a single version
number for shared libraries, then you might want to use $majonly.
Or, your system might be quite happy with a simple libperl.$so.
Since the shared libperl will get installed into a version-specific
architecture-dependent directory, the version number of the shared perl
library probably isn't important, so the default should be o.k.
EOM
rp='What name do you want to give to the shared libperl?'
. ./myread
libperl=$ans
echo "Ok, I'll use $libperl"
;;
*)
libperl="libperl${lib_ext}"
;;
esac
# Detect old use of shrpdir via undocumented Configure -Dshrpdir
case "$shrpdir" in
'') ;;
*) $cat >&4 <<EOM
WARNING: Use of the shrpdir variable for the installation location of
the shared $libperl is not supported. It was never documented and
will not work in this version. Let me (chip@perl.com) know of any
problems this may cause.
EOM
case "$shrpdir" in
"$archlibexp/CORE")
$cat >&4 <<EOM
But your current setting of $shrpdir is
the default anyway, so it's harmless.
EOM
;;
*)
$cat >&4 <<EOM
Further, your current attempted setting of $shrpdir
conflicts with the value of $archlibexp/CORE
that installperl will use.
EOM
;;
esac
;;
esac
# How will the perl executable find the installed shared $libperl?
# Add $xxx to ccdlflags.
# If we can't figure out a command-line option, use $shrpenv to
# set env LD_RUN_PATH. The main perl makefile uses this.
shrpdir=$archlibexp/CORE
xxx=''
tmp_shrpenv=''
if "$useshrplib"; then
case "$osname" in
aix)
# We'll set it in Makefile.SH...
;;
solaris|netbsd)
xxx="-R $shrpdir"
;;
freebsd)
xxx="-Wl,-R$shrpdir"
;;
linux|irix*|dec_osf)
xxx="-Wl,-rpath,$shrpdir"
;;
next)
# next doesn't like the default...
;;
*)
tmp_shrpenv="env LD_RUN_PATH=$shrpdir"
;;
esac
case "$xxx" in
'') ;;
*)
# Only add $xxx if it isn't already in ccdlflags.
case " $ccdlflags " in
*" $xxx "*) ;;
*) ccdlflags="$ccdlflags $xxx"
cat <<EOM >&4
Adding $xxx to the flags
passed to $ld so that the perl executable will find the
installed shared $libperl.
EOM
;;
esac
;;
esac
fi
# Respect a hint or command-line value.
case "$shrpenv" in
'') shrpenv="$tmp_shrpenv" ;;
esac
: determine where manual pages go
set man1dir man1dir none
eval $prefixit
$cat <<EOM
$spackage has manual pages available in source form.
EOM
case "$nroff" in
nroff)
echo "However, you don't have nroff, so they're probably useless to you."
case "$man1dir" in
'') man1dir="none";;
esac;;
esac
echo "If you don't want the manual sources installed, answer 'none'."
case "$man1dir" in
' ') dflt=none
;;
'')
lookpath="$prefixexp/man/man1 $prefixexp/man/l_man/man1"
lookpath="$lookpath $prefixexp/man/p_man/man1"
lookpath="$lookpath $prefixexp/man/u_man/man1"
lookpath="$lookpath $prefixexp/man/man.1"
: If prefix contains 'perl' then we want to keep the man pages
: under the prefix directory. Otherwise, look in a variety of
: other possible places. This is debatable, but probably a
: good compromise. Well, apparently not.
: Experience has shown people expect man1dir to be under prefix,
: so we now always put it there. Users who want other behavior
: can answer interactively or use a command line option.
: Does user have System V-style man paths.
case "$sysman" in
*/?_man*) dflt=`./loc . $prefixexp/l_man/man1 $lookpath` ;;
*) dflt=`./loc . $prefixexp/man/man1 $lookpath` ;;
esac
set dflt
eval $prefixup
;;
*) dflt="$man1dir"
;;
esac
echo " "
fn=dn+~
rp="Where do the main $spackage manual pages (source) go?"
. ./getfile
if $test "X$man1direxp" != "X$ansexp"; then
installman1dir=''
fi
man1dir="$ans"
man1direxp="$ansexp"
case "$man1dir" in
'') man1dir=' '
installman1dir='';;
esac
if $afs; then
$cat <<EOM
Since you are running AFS, I need to distinguish the directory in which
manual pages reside from the directory in which they are installed (and from
which they are presumably copied to the former directory by occult means).
EOM
case "$installman1dir" in
'') dflt=`echo $man1direxp | sed 's#^/afs/#/afs/.#'`;;
*) dflt="$installman1dir";;
esac
fn=de~
rp='Where will man pages be installed?'
. ./getfile
installman1dir="$ans"
else
installman1dir="$man1direxp"
fi
: What suffix to use on installed man pages
case "$man1dir" in
' ')
man1ext='0'
;;
*)
rp="What suffix should be used for the main $spackage man pages?"
case "$man1ext" in
'') case "$man1dir" in
*1) dflt=1 ;;
*1p) dflt=1p ;;
*1pm) dflt=1pm ;;
*l) dflt=l;;
*n) dflt=n;;
*o) dflt=o;;
*p) dflt=p;;
*C) dflt=C;;
*L) dflt=L;;
*L1) dflt=L1;;
*) dflt=1;;
esac
;;
*) dflt="$man1ext";;
esac
. ./myread
man1ext="$ans"
;;
esac
: see if we can have long filenames
echo " "
rmlist="$rmlist /tmp/cf$$"
$test -d /tmp/cf$$ || mkdir /tmp/cf$$
first=123456789abcdef
second=/tmp/cf$$/$first
$rm -f $first $second
if (echo hi >$first) 2>/dev/null; then
if $test -f 123456789abcde; then
echo 'You cannot have filenames longer than 14 characters. Sigh.' >&4
val="$undef"
else
if (echo hi >$second) 2>/dev/null; then
if $test -f /tmp/cf$$/123456789abcde; then
$cat <<'EOM'
That's peculiar... You can have filenames longer than 14 characters, but only
on some of the filesystems. Maybe you are using NFS. Anyway, to avoid problems
I shall consider your system cannot support long filenames at all.
EOM
val="$undef"
else
echo 'You can have filenames longer than 14 characters.' >&4
val="$define"
fi
else
$cat <<'EOM'
How confusing! Some of your filesystems are sane enough to allow filenames
longer than 14 characters but some others like /tmp can't even think about them.
So, for now on, I shall assume your kernel does not allow them at all.
EOM
val="$undef"
fi
fi
else
$cat <<'EOM'
You can't have filenames longer than 14 chars. You can't even think about them!
EOM
val="$undef"
fi
set d_flexfnam
eval $setvar
$rm -rf /tmp/cf$$ 123456789abcde*
: determine where library module manual pages go
set man3dir man3dir none
eval $prefixit
$cat <<EOM
$spackage has manual pages for many of the library modules.
EOM
case "$nroff" in
nroff)
$cat <<'EOM'
However, you don't have nroff, so they're probably useless to you.
You can use the supplied perldoc script instead.
EOM
case "$man3dir" in
'') man3dir="none";;
esac;;
esac
case "$d_flexfnam" in
undef)
$cat <<'EOM'
However, your system can't handle the long file names like File::Basename.3.
You can use the supplied perldoc script instead.
EOM
case "$man3dir" in
'') man3dir="none";;
esac;;
esac
echo "If you don't want the manual sources installed, answer 'none'."
: We dont use /usr/local/man/man3 because some man programs will
: only show the /usr/local/man/man3 contents, and not the system ones,
: thus man less will show the perl module less.pm, but not the system
: less command. We might also conflict with TCL man pages.
: However, something like /opt/perl/man/man3 is fine.
case "$man3dir" in
'') case "$prefix" in
*perl*) dflt=`echo $man1dir |
$sed -e 's/man1/man3/g' -e 's/man\.1/man\.3/g'` ;;
*) dflt="$privlib/man/man3" ;;
esac
;;
' ') dflt=none;;
*) dflt="$man3dir" ;;
esac
echo " "
fn=dn+~
rp="Where do the $spackage library man pages (source) go?"
. ./getfile
if test "X$man3direxp" != "X$ansexp"; then
installman3dir=''
fi
man3dir="$ans"
man3direxp="$ansexp"
case "$man3dir" in
'') man3dir=' '
installman3dir='';;
esac
if $afs; then
$cat <<EOM
Since you are running AFS, I need to distinguish the directory in which
manual pages reside from the directory in which they are installed (and from
which they are presumably copied to the former directory by occult means).
EOM
case "$installman3dir" in
'') dflt=`echo $man3direxp | sed 's#^/afs/#/afs/.#'`;;
*) dflt="$installman3dir";;
esac
fn=de~
rp='Where will man pages be installed?'
. ./getfile
installman3dir="$ans"
else
installman3dir="$man3direxp"
fi
: What suffix to use on installed man pages
case "$man3dir" in
' ')
man3ext='0'
;;
*)
rp="What suffix should be used for the $spackage library man pages?"
case "$man3ext" in
'') case "$man3dir" in
*3) dflt=3 ;;
*3p) dflt=3p ;;
*3pm) dflt=3pm ;;
*l) dflt=l;;
*n) dflt=n;;
*o) dflt=o;;
*p) dflt=p;;
*C) dflt=C;;
*L) dflt=L;;
*L3) dflt=L3;;
*) dflt=3;;
esac
;;
*) dflt="$man3ext";;
esac
. ./myread
man3ext="$ans"
;;
esac
: see if we have to deal with yellow pages, now NIS.
if $test -d /usr/etc/yp || $test -d /etc/yp; then
if $test -f /usr/etc/nibindd; then
echo " "
echo "I'm fairly confident you're on a NeXT."
echo " "
rp='Do you get the hosts file via NetInfo?'
dflt=y
case "$hostcat" in
nidump*) ;;
'') ;;
*) dflt=n;;
esac
. ./myread
case "$ans" in
y*) hostcat='nidump hosts .';;
*) case "$hostcat" in
nidump*) hostcat='';;
esac
;;
esac
fi
case "$hostcat" in
nidump*) ;;
*)
case "$hostcat" in
*ypcat*) dflt=y;;
'') if $contains '^\+' /etc/passwd >/dev/null 2>&1; then
dflt=y
else
dflt=n
fi;;
*) dflt=n;;
esac
echo " "
rp='Are you getting the hosts file via yellow pages?'
. ./myread
case "$ans" in
y*) hostcat='ypcat hosts';;
*) hostcat='cat /etc/hosts';;
esac
;;
esac
fi
: now get the host name
echo " "
echo "Figuring out host name..." >&4
case "$myhostname" in
'') cont=true
echo 'Maybe "hostname" will work...'
if tans=`sh -c hostname 2>&1` ; then
myhostname=$tans
phostname=hostname
cont=''
fi
;;
*) cont='';;
esac
if $test "$cont"; then
if ./xenix; then
echo 'Oh, dear. Maybe "/etc/systemid" is the key...'
if tans=`cat /etc/systemid 2>&1` ; then
myhostname=$tans
phostname='cat /etc/systemid'
echo "Whadyaknow. Xenix always was a bit strange..."
cont=''
fi
elif $test -r /etc/systemid; then
echo "(What is a non-Xenix system doing with /etc/systemid?)"
fi
fi
if $test "$cont"; then
echo 'No, maybe "uuname -l" will work...'
if tans=`sh -c 'uuname -l' 2>&1` ; then
myhostname=$tans
phostname='uuname -l'
else
echo 'Strange. Maybe "uname -n" will work...'
if tans=`sh -c 'uname -n' 2>&1` ; then
myhostname=$tans
phostname='uname -n'
else
echo 'Oh well, maybe I can mine it out of whoami.h...'
if tans=`sh -c $contains' sysname $usrinc/whoami.h' 2>&1` ; then
myhostname=`echo "$tans" | $sed 's/^.*"\(.*\)"/\1/'`
phostname="sed -n -e '"'/sysname/s/^.*\"\\(.*\\)\"/\1/{'"' -e p -e q -e '}' <$usrinc/whoami.h"
else
case "$myhostname" in
'') echo "Does this machine have an identity crisis or something?"
phostname='';;
*)
echo "Well, you said $myhostname before..."
phostname='echo $myhostname';;
esac
fi
fi
fi
fi
: you do not want to know about this
set $myhostname
myhostname=$1
: verify guess
if $test "$myhostname" ; then
dflt=y
rp='Your host name appears to be "'$myhostname'".'" Right?"
. ./myread
case "$ans" in
y*) ;;
*) myhostname='';;
esac
fi
: bad guess or no guess
while $test "X$myhostname" = X ; do
dflt=''
rp="Please type the (one word) name of your host:"
. ./myread
myhostname="$ans"
done
: translate upper to lower if necessary
case "$myhostname" in
*[A-Z]*)
echo "(Normalizing case in your host name)"
myhostname=`echo $myhostname | ./tr '[A-Z]' '[a-z]'`
;;
esac
case "$myhostname" in
*.*)
dflt=`expr "X$myhostname" : "X[^.]*\(\..*\)"`
myhostname=`expr "X$myhostname" : "X\([^.]*\)\."`
echo "(Trimming domain name from host name--host name is now $myhostname)"
;;
*) case "$mydomain" in
'')
{
: If we use NIS, try ypmatch.
: Is there some reason why this was not done before?
test "X$hostcat" = "Xypcat hosts" &&
ypmatch "$myhostname" hosts 2>/dev/null |\
$sed -e 's/[ ]*#.*//; s/$/ /' > hosts && \
$test -s hosts
} || {
: Extract only the relevant hosts, reducing file size,
: remove comments, insert trailing space for later use.
$hostcat | $sed -n -e "s/[ ]*#.*//; s/\$/ /
/[ ]$myhostname[ . ]/p" > hosts
}
tmp_re="[ . ]"
$test x`$awk "/[0-9].*[ ]$myhostname$tmp_re/ { sum++ }
END { print sum }" hosts` = x1 || tmp_re="[ ]"
dflt=.`$awk "/[0-9].*[ ]$myhostname$tmp_re/ {for(i=2; i<=NF;i++) print \\\$i}" \
hosts | $sort | $uniq | \
$sed -n -e "s/$myhostname\.\([-a-zA-Z0-9_.]\)/\1/p"`
case `$echo X$dflt` in
X*\ *) echo "(Several hosts in /etc/hosts matched hostname)"
dflt=.
;;
X.) echo "(You do not have fully-qualified names in /etc/hosts)"
;;
esac
case "$dflt" in
.)
tans=`./loc resolv.conf X /etc /usr/etc`
if $test -f "$tans"; then
echo "(Attempting domain name extraction from $tans)"
: Why was there an Egrep here, when Sed works?
: Look for either a search or a domain directive.
dflt=.`$sed -n -e 's/ / /g' \
-e 's/^search *\([^ ]*\).*/\1/p' $tans \
| ./tr '[A-Z]' '[a-z]' 2>/dev/null`
case "$dflt" in
.) dflt=.`$sed -n -e 's/ / /g' \
-e 's/^domain *\([^ ]*\).*/\1/p' $tans \
| ./tr '[A-Z]' '[a-z]' 2>/dev/null`
;;
esac
fi
;;
esac
case "$dflt" in
.) echo "(No help from resolv.conf either -- attempting clever guess)"
dflt=.`sh -c domainname 2>/dev/null`
case "$dflt" in
'') dflt='.';;
.nis.*|.yp.*|.main.*) dflt=`echo $dflt | $sed -e 's/^\.[^.]*//'`;;
esac
;;
esac
case "$dflt" in
.) echo "(Lost all hope -- silly guess then)"
dflt='.uucp'
;;
esac
$rm -f hosts
;;
*) dflt="$mydomain";;
esac;;
esac
echo " "
rp="What is your domain name?"
. ./myread
tans="$ans"
case "$ans" in
'') ;;
.*) ;;
*) tans=".$tans";;
esac
mydomain="$tans"
: translate upper to lower if necessary
case "$mydomain" in
*[A-Z]*)
echo "(Normalizing case in your domain name)"
mydomain=`echo $mydomain | ./tr '[A-Z]' '[a-z]'`
;;
esac
: a little sanity check here
case "$phostname" in
'') ;;
*)
case `$phostname | ./tr '[A-Z]' '[a-z]'` in
$myhostname$mydomain|$myhostname) ;;
*)
case "$phostname" in
sed*)
echo "(That doesn't agree with your whoami.h file, by the way.)"
;;
*)
echo "(That doesn't agree with your $phostname command, by the way.)"
;;
esac
;;
esac
;;
esac
$cat <<EOM
I need to get your e-mail address in Internet format if possible, i.e.
something like user@host.domain. Please answer accurately since I have
no easy means to double check it. The default value provided below
is most probably close to the reality but may not be valid from outside
your organization...
EOM
cont=x
while test "$cont"; do
case "$cf_email" in
'') dflt="$cf_by@$myhostname$mydomain";;
*) dflt="$cf_email";;
esac
rp='What is your e-mail address?'
. ./myread
cf_email="$ans"
case "$cf_email" in
*@*.*) cont='' ;;
*)
rp='Address does not look like an Internet one. Use it anyway?'
case "$fastread" in
yes) dflt=y ;;
*) dflt=n ;;
esac
. ./myread
case "$ans" in
y*) cont='' ;;
*) echo " " ;;
esac
;;
esac
done
$cat <<EOM
If you or somebody else will be maintaining perl at your site, please
fill in the correct e-mail address here so that they may be contacted
if necessary. Currently, the "perlbug" program included with perl
will send mail to this address in addition to perlbug@perl.com. You may
enter "none" for no administrator.
EOM
case "$perladmin" in
'') dflt="$cf_email";;
*) dflt="$perladmin";;
esac
rp='Perl administrator e-mail address'
. ./myread
perladmin="$ans"
: figure out how to guarantee perl startup
case "$startperl" in
'')
case "$sharpbang" in
*!)
$cat <<EOH
I can use the #! construct to start perl on your system. This will
make startup of perl scripts faster, but may cause problems if you
want to share those scripts and perl is not in a standard place
($binexp/perl) on all your platforms. The alternative is to force
a shell by starting the script with a single ':' character.
EOH
dflt="$binexp/perl"
rp='What shall I put after the #! to start up perl ("none" to not use #!)?'
. ./myread
case "$ans" in
none) startperl=": # use perl";;
*) startperl="#!$ans"
if $test 30 -lt `echo "$ans" | wc -c`; then
$cat >&4 <<EOM
WARNING: Some systems limit the #! command to 32 characters.
If you experience difficulty running Perl scripts with #!, try
installing Perl in a directory with a shorter pathname.
EOM
fi ;;
esac
;;
*) startperl=": # use perl"
;;
esac
;;
esac
echo "I'll use $startperl to start perl scripts."
: figure best path for perl in scripts
case "$perlpath" in
'')
perlpath="$binexp/perl"
case "$startperl" in
*!*) ;;
*)
$cat <<EOH
I will use the "eval 'exec'" idiom to start Perl on your system.
I can use the full path of your Perl binary for this purpose, but
doing so may cause problems if you want to share those scripts and
Perl is not always in a standard place ($binexp/perl).
EOH
dflt="$binexp/perl"
rp="What path shall I use in \"eval 'exec'\"?"
. ./myread
perlpath="$ans"
;;
esac
;;
esac
case "$startperl" in
*!*) ;;
*) echo "I'll use $perlpath in \"eval 'exec'\"" ;;
esac
: determine where public executable scripts go
set scriptdir scriptdir
eval $prefixit
case "$scriptdir" in
'')
dflt="$bin"
: guess some guesses
$test -d /usr/share/scripts && dflt=/usr/share/scripts
$test -d /usr/share/bin && dflt=/usr/share/bin
$test -d /usr/local/script && dflt=/usr/local/script
$test -d $prefixexp/script && dflt=$prefixexp/script
set dflt
eval $prefixup
;;
*) dflt="$scriptdir"
;;
esac
$cat <<EOM
Some installations have a separate directory just for executable scripts so
that they can mount it across multiple architectures but keep the scripts in
one spot. You might, for example, have a subdirectory of /usr/share for this.
Or you might just lump your scripts in with all your other executables.
EOM
fn=d~
rp='Where do you keep publicly executable scripts?'
. ./getfile
if $test "X$ansexp" != "X$scriptdirexp"; then
installscript=''
fi
scriptdir="$ans"
scriptdirexp="$ansexp"
if $afs; then
$cat <<EOM
Since you are running AFS, I need to distinguish the directory in which
scripts reside from the directory in which they are installed (and from
which they are presumably copied to the former directory by occult means).
EOM
case "$installscript" in
'') dflt=`echo $scriptdirexp | sed 's#^/afs/#/afs/.#'`;;
*) dflt="$installscript";;
esac
fn=de~
rp='Where will public scripts be installed?'
. ./getfile
installscript="$ans"
else
installscript="$scriptdirexp"
fi
cat <<EOM
Previous version of $package used the standard IO mechanisms as defined in
<stdio.h>. Versions 5.003_02 and later of perl allow alternate IO
mechanisms via a "PerlIO" abstraction, but the stdio mechanism is still
the default and is the only supported mechanism. This abstraction
layer can use AT&T's sfio (if you already have sfio installed) or
fall back on standard IO. This PerlIO abstraction layer is
experimental and may cause problems with some extension modules.
If this doesn't make any sense to you, just accept the default 'n'.
EOM
case "$useperlio" in
$define|true|[yY]*) dflt='y';;
*) dflt='n';;
esac
rp='Use the experimental PerlIO abstraction layer?'
. ./myread
case "$ans" in
y|Y)
val="$define"
;;
*)
echo "Ok, doing things the stdio way"
val="$undef"
;;
esac
set useperlio
eval $setvar
: Check how to convert floats to strings.
echo " "
echo "Checking for an efficient way to convert floats to strings."
$cat >try.c <<'EOP'
#ifdef TRY_gconvert
#define Gconvert(x,n,t,b) gconvert((x),(n),(t),(b))
char *myname = "gconvert";
#endif
#ifdef TRY_gcvt
#define Gconvert(x,n,t,b) gcvt((x),(n),(b))
char *myname = "gcvt";
#endif
#ifdef TRY_sprintf
#define Gconvert(x,n,t,b) sprintf((b),"%.*g",(n),(x))
char *myname = "sprintf";
#endif
#include <stdio.h>
int
checkit(expect, got)
char *expect;
char *got;
{
if (strcmp(expect, got)) {
printf("%s oddity: Expected %s, got %s\n",
myname, expect, got);
exit(1);
}
}
int
main()
{
char buf[64];
buf[63] = '\0';
/* This must be 1st test on (which?) platform */
/* Alan Burlison <AlanBurlsin@unn.unisys.com> */
Gconvert(0.1, 8, 0, buf);
checkit("0.1", buf);
Gconvert(1.0, 8, 0, buf);
checkit("1", buf);
Gconvert(0.0, 8, 0, buf);
checkit("0", buf);
Gconvert(-1.0, 8, 0, buf);
checkit("-1", buf);
/* Some Linux gcvt's give 1.e+5 here. */
Gconvert(100000.0, 8, 0, buf);
checkit("100000", buf);
/* Some Linux gcvt's give -1.e+5 here. */
Gconvert(-100000.0, 8, 0, buf);
checkit("-100000", buf);
exit(0);
}
EOP
case "$d_Gconvert" in
gconvert*) xxx_list='gconvert gcvt sprintf' ;;
gcvt*) xxx_list='gcvt gconvert sprintf' ;;
sprintf*) xxx_list='sprintf gconvert gcvt' ;;
*) xxx_list='gconvert gcvt sprintf' ;;
esac
for xxx_convert in $xxx_list; do
echo "Trying $xxx_convert"
$rm -f try try.o
if $cc $ccflags -DTRY_$xxx_convert $ldflags -o try \
try.c $libs > /dev/null 2>&1 ; then
echo "$xxx_convert" found. >&4
if ./try; then
echo "I'll use $xxx_convert to convert floats into a string." >&4
break;
else
echo "...But $xxx_convert didn't work as I expected."
fi
else
echo "$xxx_convert NOT found." >&4
fi
done
case "$xxx_convert" in
gconvert) d_Gconvert='gconvert((x),(n),(t),(b))' ;;
gcvt) d_Gconvert='gcvt((x),(n),(b))' ;;
*) d_Gconvert='sprintf((b),"%.*g",(n),(x))' ;;
esac
: Initialize h_fcntl
h_fcntl=false
: Initialize h_sysfile
h_sysfile=false
: access call always available on UNIX
set access d_access
eval $inlibc
: locate the flags for 'access()'
case "$d_access" in
"$define")
echo " "
$cat >access.c <<'EOCP'
#include <sys/types.h>
#ifdef I_FCNTL
#include <fcntl.h>
#endif
#ifdef I_SYS_FILE
#include <sys/file.h>
#endif
#ifdef I_UNISTD
#include <unistd.h>
#endif
main() {
exit(R_OK);
}
EOCP
: check sys/file.h first, no particular reason here
if $test `./findhdr sys/file.h` && \
$cc $cppflags -DI_SYS_FILE access.c -o access >/dev/null 2>&1 ; then
h_sysfile=true;
echo "<sys/file.h> defines the *_OK access constants." >&4
elif $test `./findhdr fcntl.h` && \
$cc $cppflags -DI_FCNTL access.c -o access >/dev/null 2>&1 ; then
h_fcntl=true;
echo "<fcntl.h> defines the *_OK access constants." >&4
elif $test `./findhdr unistd.h` && \
$cc $cppflags -DI_UNISTD access.c -o access >/dev/null 2>&1 ; then
echo "<unistd.h> defines the *_OK access constants." >&4
else
echo "I can't find the four *_OK access constants--I'll use mine." >&4
fi
;;
esac
$rm -f access*
: see if alarm exists
set alarm d_alarm
eval $inlibc
: Look for GNU-cc style attribute checking
echo " "
echo "Checking whether your compiler can handle __attribute__ ..." >&4
$cat >attrib.c <<'EOCP'
#include <stdio.h>
void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn));
EOCP
if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
if $contains 'warning' attrib.out >/dev/null 2>&1; then
echo "Your C compiler doesn't fully support __attribute__."
val="$undef"
else
echo "Your C compiler supports __attribute__."
val="$define"
fi
else
echo "Your C compiler doesn't seem to understand __attribute__ at all."
val="$undef"
fi
set d_attribut
eval $setvar
$rm -f attrib*
: see if bcmp exists
set bcmp d_bcmp
eval $inlibc
: see if bcopy exists
set bcopy d_bcopy
eval $inlibc
: see if this is a unistd.h system
set unistd.h i_unistd
eval $inhdr
: see if getpgrp exists
set getpgrp d_getpgrp
eval $inlibc
echo "Checking to see which flavor of getpgrp is in use . . . "
case "$d_getpgrp" in
"$define")
echo " "
$cat >set.c <<EOP
#$i_unistd I_UNISTD
#include <sys/types.h>
#ifdef I_UNISTD
# include <unistd.h>
#endif
main()
{
if (getuid() == 0) {
printf("(I see you are running Configure as super-user...)\n");
setuid(1);
}
#ifdef TRY_BSD_PGRP
if (getpgrp(1) == 0)
exit(0);
#else
if (getpgrp() > 0)
exit(0);
#endif
exit(1);
}
EOP
if $cc -DTRY_BSD_PGRP $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
echo "You have to use getpgrp(pid) instead of getpgrp()." >&4
val="$define"
elif $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
echo "You have to use getpgrp() instead of getpgrp(pid)." >&4
val="$undef"
else
echo "I can't seem to compile and run the test program."
if ./usg; then
xxx="a USG one, i.e. you use getpgrp()."
else
# SVR4 systems can appear rather BSD-ish.
case "$i_unistd" in
$undef)
xxx="a BSD one, i.e. you use getpgrp(pid)."
val="$define"
;;
$define)
xxx="probably a USG one, i.e. you use getpgrp()."
val="$undef"
;;
esac
fi
echo "Assuming your getpgrp is $xxx" >&4
fi
;;
*) val="$undef";;
esac
set d_bsdgetpgrp
eval $setvar
$rm -f set set.c
: see if setpgrp exists
set setpgrp d_setpgrp
eval $inlibc
echo "Checking to see which flavor of setpgrp is in use . . . "
case "$d_setpgrp" in
"$define")
echo " "
$cat >set.c <<EOP
#$i_unistd I_UNISTD
#include <sys/types.h>
#ifdef I_UNISTD
# include <unistd.h>
#endif
main()
{
if (getuid() == 0) {
printf("(I see you are running Configure as super-user...)\n");
setuid(1);
}
#ifdef TRY_BSD_PGRP
if (-1 == setpgrp(1, 1))
exit(0);
#else
if (setpgrp() != -1)
exit(0);
#endif
exit(1);
}
EOP
if $cc -DTRY_BSD_PGRP $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
echo 'You have to use setpgrp(pid,pgrp) instead of setpgrp().' >&4
val="$define"
elif $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
echo 'You have to use setpgrp() instead of setpgrp(pid,pgrp).' >&4
val="$undef"
else
echo "I can't seem to compile and run the test program."
if ./usg; then
xxx="a USG one, i.e. you use setpgrp()."
else
# SVR4 systems can appear rather BSD-ish.
case "$i_unistd" in
$undef)
xxx="a BSD one, i.e. you use setpgrp(pid,pgrp)."
val="$define"
;;
$define)
xxx="probably a USG one, i.e. you use setpgrp()."
val="$undef"
;;
esac
fi
echo "Assuming your setpgrp is $xxx" >&4
fi
;;
*) val="$undef";;
esac
set d_bsdsetpgrp
eval $setvar
d_bsdpgrp=$d_bsdsetpgrp
$rm -f set set.c
: see if bzero exists
set bzero d_bzero
eval $inlibc
: check for lengths of integral types
echo " "
case "$intsize" in
'')
echo "Checking to see how big your integers are..." >&4
$cat >intsize.c <<'EOCP'
#include <stdio.h>
main()
{
printf("intsize=%d;\n", sizeof(int));
printf("longsize=%d;\n", sizeof(long));
printf("shortsize=%d;\n", sizeof(short));
fflush(stdout);
exit(0);
}
EOCP
# If $libs contains -lsfio, and sfio is mis-configured, then it
# sometimes (apparently) runs and exits with a 0 status, but with no
# output!. Thus we check with test -s whether we actually got any
# output. I think it has to do with sfio's use of _exit vs. exit,
# but I don't know for sure. --Andy Dougherty 1/27/97.
if $cc $optimize $ccflags $ldflags -o intsize intsize.c $libs >/dev/null 2>&1 &&
./intsize > intsize.out 2>/dev/null && test -s intsize.out ; then
eval `$cat intsize.out`
echo "Your integers are $intsize bytes long."
echo "Your long integers are $longsize bytes long."
echo "Your short integers are $shortsize bytes long."
else
$cat >&4 <<EOM
Help! I can't compile and run the intsize test program: please enlighten me!
(This is probably a misconfiguration in your system or libraries, and
you really ought to fix it. Still, I'll try anyway.)
EOM
dflt=4
rp="What is the size of an integer (in bytes)?"
. ./myread
intsize="$ans"
dflt=$intsize
rp="What is the size of a long integer (in bytes)?"
. ./myread
longsize="$ans"
dflt=2
rp="What is the size of a short integer (in bytes)?"
. ./myread
shortsize="$ans"
fi
;;
esac
$rm -f intsize intsize.[co] intsize.out
: see if signal is declared as pointer to function returning int or void
echo " "
xxx=`./findhdr signal.h`
$test "$xxx" && $cppstdin $cppminus $cppflags < $xxx >$$.tmp 2>/dev/null
if $contains 'int.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
echo "You have int (*signal())() instead of void." >&4
val="$undef"
elif $contains 'void.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
echo "You have void (*signal())() instead of int." >&4
val="$define"
elif $contains 'extern[ ]*[(\*]*signal' $$.tmp >/dev/null 2>&1 ; then
echo "You have int (*signal())() instead of void." >&4
val="$undef"
else
case "$d_voidsig" in
'')
echo "I can't determine whether signal handler returns void or int..." >&4
dflt=void
rp="What type does your signal handler return?"
. ./myread
case "$ans" in
v*) val="$define";;
*) val="$undef";;
esac;;
"$define")
echo "As you already told me, signal handler returns void." >&4;;
*)
echo "As you already told me, signal handler returns int." >&4;;
esac
fi
set d_voidsig
eval $setvar
case "$d_voidsig" in
"$define") signal_t="void";;
*) signal_t="int";;
esac
$rm -f $$.tmp
: check for ability to cast large floats to 32-bit ints.
echo " "
echo 'Checking whether your C compiler can cast large floats to int32.' >&4
if $test "$intsize" -eq 4; then
xxx=int
else
xxx=long
fi
$cat >try.c <<EOCP
#include <sys/types.h>
#include <signal.h>
$signal_t blech() { exit(3); }
main()
{
$xxx i32;
double f;
int result = 0;
signal(SIGFPE, blech);
f = (double) 0x7fffffff;
f = 10 * f;
i32 = ($xxx) f;
if (i32 != ($xxx) f)
result |= 1;
exit(result);
}
EOCP
if $cc -o try $ccflags try.c >/dev/null 2>&1; then
./try
yyy=$?
else
echo "(I can't seem to compile the test program--assuming it can't)"
yyy=1
fi
case "$yyy" in
0) val="$define"
echo "Yup, it can."
;;
*) val="$undef"
echo "Nope, it can't."
;;
esac
set d_casti32
eval $setvar
$rm -f try try.*
: check for ability to cast negative floats to unsigned
echo " "
echo 'Checking whether your C compiler can cast negative float to unsigned.' >&4
$cat >try.c <<EOCP
#include <sys/types.h>
#include <signal.h>
$signal_t blech() { exit(7); }
$signal_t blech_in_list() { exit(4); }
unsigned long dummy_long(p) unsigned long p; { return p; }
unsigned int dummy_int(p) unsigned int p; { return p; }
unsigned short dummy_short(p) unsigned short p; { return p; }
main()
{
double f = -123.;
unsigned long along;
unsigned int aint;
unsigned short ashort;
int result = 0;
signal(SIGFPE, blech);
along = (unsigned long)f;
aint = (unsigned int)f;
ashort = (unsigned short)f;
if (along != (unsigned long)-123)
result |= 1;
if (aint != (unsigned int)-123)
result |= 1;
if (ashort != (unsigned short)-123)
result |= 1;
f = (double)0x40000000;
f = f + f;
along = 0;
along = (unsigned long)f;
if (along != 0x80000000)
result |= 2;
f -= 1.;
along = 0;
along = (unsigned long)f;
if (along != 0x7fffffff)
result |= 1;
f += 2.;
along = 0;
along = (unsigned long)f;
if (along != 0x80000001)
result |= 2;
if (result)
exit(result);
signal(SIGFPE, blech_in_list);
f = 123.;
along = dummy_long((unsigned long)f);
aint = dummy_int((unsigned int)f);
ashort = dummy_short((unsigned short)f);
if (along != (unsigned long)123)
result |= 4;
if (aint != (unsigned int)123)
result |= 4;
if (ashort != (unsigned short)123)
result |= 4;
exit(result);
}
EOCP
if $cc -o try $ccflags try.c >/dev/null 2>&1; then
./try
castflags=$?
else
echo "(I can't seem to compile the test program--assuming it can't)"
castflags=7
fi
case "$castflags" in
0) val="$define"
echo "Yup, it can."
;;
*) val="$undef"
echo "Nope, it can't."
;;
esac
set d_castneg
eval $setvar
$rm -f try.*
: see if vprintf exists
echo " "
if set vprintf val -f d_vprintf; eval $csym; $val; then
echo 'vprintf() found.' >&4
val="$define"
$cat >vprintf.c <<'EOF'
#include <varargs.h>
main() { xxx("foo"); }
xxx(va_alist)
va_dcl
{
va_list args;
char buf[10];
va_start(args);
exit((unsigned long)vsprintf(buf,"%s",args) > 10L);
}
EOF
if $cc $ccflags vprintf.c -o vprintf >/dev/null 2>&1 && ./vprintf; then
echo "Your vsprintf() returns (int)." >&4
val2="$undef"
else
echo "Your vsprintf() returns (char*)." >&4
val2="$define"
fi
else
echo 'vprintf() NOT found.' >&4
val="$undef"
val2="$undef"
fi
set d_vprintf
eval $setvar
val=$val2
set d_charvspr
eval $setvar
: see if chown exists
set chown d_chown
eval $inlibc
: see if chroot exists
set chroot d_chroot
eval $inlibc
: see if chsize exists
set chsize d_chsize
eval $inlibc
: check for const keyword
echo " "
echo 'Checking to see if your C compiler knows about "const"...' >&4
$cat >const.c <<'EOCP'
typedef struct spug { int drokk; } spug;
main()
{
const char *foo;
const spug y;
}
EOCP
if $cc -c $ccflags const.c >/dev/null 2>&1 ; then
val="$define"
echo "Yup, it does."
else
val="$undef"
echo "Nope, it doesn't."
fi
set d_const
eval $setvar
: see if crypt exists
echo " "
if set crypt val -f d_crypt; eval $csym; $val; then
echo 'crypt() found.' >&4
val="$define"
cryptlib=''
else
cryptlib=`./loc Slibcrypt$lib_ext "" $xlibpth`
if $test -z "$cryptlib"; then
cryptlib=`./loc Mlibcrypt$lib_ext "" $xlibpth`
else
cryptlib=-lcrypt
fi
if $test -z "$cryptlib"; then
cryptlib=`./loc Llibcrypt$lib_ext "" $xlibpth`
else
cryptlib=-lcrypt
fi
if $test -z "$cryptlib"; then
cryptlib=`./loc libcrypt$lib_ext "" $libpth`
else
cryptlib=-lcrypt
fi
if $test -z "$cryptlib"; then
echo 'crypt() NOT found.' >&4
val="$undef"
else
val="$define"
fi
fi
set d_crypt
eval $setvar
: get csh whereabouts
case "$csh" in
'csh') val="$undef" ;;
*) val="$define" ;;
esac
set d_csh
eval $setvar
: Respect a hint or command line value for full_csh.
case "$full_csh" in
'') full_csh=$csh ;;
esac
: see if cuserid exists
set cuserid d_cuserid
eval $inlibc
: see if this is a limits.h system
set limits.h i_limits
eval $inhdr
: see if this is a float.h system
set float.h i_float
eval $inhdr
: See if number of significant digits in a double precision number is known
echo " "
$cat >dbl_dig.c <<EOM
#$i_limits I_LIMITS
#$i_float I_FLOAT
#ifdef I_LIMITS
#include <limits.h>
#endif
#ifdef I_FLOAT
#include <float.h>
#endif
#ifdef DBL_DIG
printf("Contains DBL_DIG");
#endif
EOM
$cppstdin $cppflags $cppminus < dbl_dig.c >dbl_dig.E 2>/dev/null
if $contains 'DBL_DIG' dbl_dig.E >/dev/null 2>&1; then
echo "DBL_DIG found." >&4
val="$define"
else
echo "DBL_DIG NOT found." >&4
val="$undef"
fi
$rm -f dbl_dig.?
set d_dbl_dig
eval $setvar
: see if difftime exists
set difftime d_difftime
eval $inlibc
: see if this is a dirent system
echo " "
if xinc=`./findhdr dirent.h`; $test "$xinc"; then
val="$define"
echo "<dirent.h> found." >&4
else
val="$undef"
if xinc=`./findhdr sys/dir.h`; $test "$xinc"; then
echo "<sys/dir.h> found." >&4
echo " "
else
xinc=`./findhdr sys/ndir.h`
fi
echo "<dirent.h> NOT found." >&4
fi
set i_dirent
eval $setvar
: Look for type of directory structure.
echo " "
$cppstdin $cppflags $cppminus < "$xinc" > try.c
case "$direntrytype" in
''|' ')
case "$i_dirent" in
$define) guess1='struct dirent' ;;
*) guess1='struct direct' ;;
esac
;;
*) guess1="$direntrytype"
;;
esac
case "$guess1" in
'struct dirent') guess2='struct direct' ;;
*) guess2='struct dirent' ;;
esac
if $contains "$guess1" try.c >/dev/null 2>&1; then
direntrytype="$guess1"
echo "Your directory entries are $direntrytype." >&4
elif $contains "$guess2" try.c >/dev/null 2>&1; then
direntrytype="$guess2"
echo "Your directory entries seem to be $direntrytype." >&4
else
echo "I don't recognize your system's directory entries." >&4
rp="What type is used for directory entries on this system?"
dflt="$guess1"
. ./myread
direntrytype="$ans"
fi
$rm -f try.c
: see if the directory entry stores field length
echo " "
$cppstdin $cppflags $cppminus < "$xinc" > try.c
if $contains 'd_namlen' try.c >/dev/null 2>&1; then
echo "Good, your directory entry keeps length information in d_namlen." >&4
val="$define"
else
echo "Your directory entry does not know about the d_namlen field." >&4
val="$undef"
fi
set d_dirnamlen
eval $setvar
$rm -f try.c
: see if dlerror exists
xxx_runnm="$runnm"
runnm=false
set dlerror d_dlerror
eval $inlibc
runnm="$xxx_runnm"
: see if dlfcn is available
set dlfcn.h i_dlfcn
eval $inhdr
case "$usedl" in
$define|y|true)
$cat << EOM
On a few systems, the dynamically loaded modules that perl generates and uses
will need a different extension then shared libs. The default will probably
be appropriate.
EOM
case "$dlext" in
'') dflt="$so" ;;
*) dflt="$dlext" ;;
esac
rp='What is the extension of dynamically loaded modules'
. ./myread
dlext="$ans"
;;
*)
dlext="none"
;;
esac
: Check if dlsym need a leading underscore
echo " "
val="$undef"
case "$dlsrc" in
dl_dlopen.xs)
echo "Checking whether your dlsym() needs a leading underscore ..." >&4
$cat >dyna.c <<'EOM'
fred () { }
EOM
$cat >fred.c<<EOM
#include <stdio.h>
#$i_dlfcn I_DLFCN
#ifdef I_DLFCN
#include <dlfcn.h> /* the dynamic linker include file for Sunos/Solaris */
#else
#include <sys/types.h>
#include <nlist.h>
#include <link.h>
#endif
extern int fred() ;
main()
{
void * handle ;
void * symbol ;
#ifndef RTLD_LAZY
int mode = 1 ;
#else
int mode = RTLD_LAZY ;
#endif
handle = dlopen("./dyna.$dlext", mode) ;
if (handle == NULL) {
printf ("1\n") ;
fflush (stdout) ;
exit(0);
}
symbol = dlsym(handle, "fred") ;
if (symbol == NULL) {
/* try putting a leading underscore */
symbol = dlsym(handle, "_fred") ;
if (symbol == NULL) {
printf ("2\n") ;
fflush (stdout) ;
exit(0);
}
printf ("3\n") ;
}
else
printf ("4\n") ;
fflush (stdout) ;
exit(0);
}
EOM
: Call the object file tmp-dyna.o in case dlext=o.
if $cc $ccflags $cccdlflags -c dyna.c > /dev/null 2>&1 &&
mv dyna${obj_ext} tmp-dyna${obj_ext} > /dev/null 2>&1 &&
$ld $lddlflags -o dyna.$dlext tmp-dyna${obj_ext} > /dev/null 2>&1 &&
$cc $ccflags $ldflags $cccdlflags $ccdlflags fred.c -o fred $libs > /dev/null 2>&1; then
xxx=`./fred`
case $xxx in
1) echo "Test program failed using dlopen." >&4
echo "Perhaps you should not use dynamic loading." >&4;;
2) echo "Test program failed using dlsym." >&4
echo "Perhaps you should not use dynamic loading." >&4;;
3) echo "dlsym needs a leading underscore" >&4
val="$define" ;;
4) echo "dlsym doesn't need a leading underscore." >&4;;
esac
else
echo "I can't compile and run the test program." >&4
fi
;;
esac
$rm -f fred fred.? dyna.$dlext dyna.? tmp-dyna.?
set d_dlsymun
eval $setvar
: see if dup2 exists
set dup2 d_dup2
eval $inlibc
: Locate the flags for 'open()'
echo " "
$cat >open3.c <<'EOCP'
#include <sys/types.h>
#ifdef I_FCNTL
#include <fcntl.h>
#endif
#ifdef I_SYS_FILE
#include <sys/file.h>
#endif
main() {
if(O_RDONLY);
#ifdef O_TRUNC
exit(0);
#else
exit(1);
#endif
}
EOCP
: check sys/file.h first to get FREAD on Sun
if $test `./findhdr sys/file.h` && \
$cc $ccflags "-DI_SYS_FILE" -o open3 $ldflags open3.c $libs >/dev/null 2>&1 ; then
h_sysfile=true;
echo "<sys/file.h> defines the O_* constants..." >&4
if ./open3; then
echo "and you have the 3 argument form of open()." >&4
val="$define"
else
echo "but not the 3 argument form of open(). Oh, well." >&4
val="$undef"
fi
elif $test `./findhdr fcntl.h` && \
$cc $ccflags "-DI_FCNTL" -o open3 $ldflags open3.c $libs >/dev/null 2>&1 ; then
h_fcntl=true;
echo "<fcntl.h> defines the O_* constants..." >&4
if ./open3; then
echo "and you have the 3 argument form of open()." >&4
val="$define"
else
echo "but not the 3 argument form of open(). Oh, well." >&4
val="$undef"
fi
else
val="$undef"
echo "I can't find the O_* constant definitions! You got problems." >&4
fi
set d_open3
eval $setvar
$rm -f open3*
: check for non-blocking I/O stuff
case "$h_sysfile" in
true) echo "#include <sys/file.h>" > head.c;;
*)
case "$h_fcntl" in
true) echo "#include <fcntl.h>" > head.c;;
*) echo "#include <sys/fcntl.h>" > head.c;;
esac
;;
esac
echo " "
echo "Figuring out the flag used by open() for non-blocking I/O..." >&4
case "$o_nonblock" in
'')
$cat head.c > try.c
$cat >>try.c <<'EOCP'
main() {
#ifdef O_NONBLOCK
printf("O_NONBLOCK\n");
exit(0);
#endif
#ifdef O_NDELAY
printf("O_NDELAY\n");
exit(0);
#endif
#ifdef FNDELAY
printf("FNDELAY\n");
exit(0);
#endif
exit(0);
}
EOCP
if $cc $ccflags $ldflags try.c -o try >/dev/null 2>&1; then
o_nonblock=`./try`
case "$o_nonblock" in
'') echo "I can't figure it out, assuming O_NONBLOCK will do.";;
*) echo "Seems like we can use $o_nonblock.";;
esac
else
echo "(I can't compile the test program; pray O_NONBLOCK is right!)"
fi
;;
*) echo "Using $hint value $o_nonblock.";;
esac
$rm -f try try.* .out core
echo " "
echo "Let's see what value errno gets from read() on a $o_nonblock file..." >&4
case "$eagain" in
'')
$cat head.c > try.c
$cat >>try.c <<EOCP
#include <errno.h>
#include <sys/types.h>
#include <signal.h>
#define MY_O_NONBLOCK $o_nonblock
extern int errno;
$signal_t blech(x) int x; { exit(3); }
EOCP
$cat >> try.c <<'EOCP'
main()
{
int pd[2];
int pu[2];
char buf[1];
char string[100];
pipe(pd); /* Down: child -> parent */
pipe(pu); /* Up: parent -> child */
if (0 != fork()) {
int ret;
close(pd[1]); /* Parent reads from pd[0] */
close(pu[0]); /* Parent writes (blocking) to pu[1] */
if (-1 == fcntl(pd[0], F_SETFL, MY_O_NONBLOCK))
exit(1);
signal(SIGALRM, blech);
alarm(5);
if ((ret = read(pd[0], buf, 1)) > 0) /* Nothing to read! */
exit(2);
sprintf(string, "%d\n", ret);
write(2, string, strlen(string));
alarm(0);
#ifdef EAGAIN
if (errno == EAGAIN) {
printf("EAGAIN\n");
goto ok;
}
#endif
#ifdef EWOULDBLOCK
if (errno == EWOULDBLOCK)
printf("EWOULDBLOCK\n");
#endif
ok:
write(pu[1], buf, 1); /* Unblocks child, tell it to close our pipe */
sleep(2); /* Give it time to close our pipe */
alarm(5);
ret = read(pd[0], buf, 1); /* Should read EOF */
alarm(0);
sprintf(string, "%d\n", ret);
write(3, string, strlen(string));
exit(0);
}
close(pd[0]); /* We write to pd[1] */
close(pu[1]); /* We read from pu[0] */
read(pu[0], buf, 1); /* Wait for parent to signal us we may continue */
close(pd[1]); /* Pipe pd is now fully closed! */
exit(0); /* Bye bye, thank you for playing! */
}
EOCP
if $cc $ccflags $ldflags try.c -o try >/dev/null 2>&1; then
echo "$startsh" >mtry
echo "./try >try.out 2>try.ret 3>try.err || exit 4" >>mtry
chmod +x mtry
./mtry >/dev/null 2>&1
case $? in
0) eagain=`$cat try.out`;;
1) echo "Could not perform non-blocking setting!";;
2) echo "I did a successful read() for something that was not there!";;
3) echo "Hmm... non-blocking I/O does not seem to be working!";;
*) echo "Something terribly wrong happened during testing.";;
esac
rd_nodata=`$cat try.ret`
echo "A read() system call with no data present returns $rd_nodata."
case "$rd_nodata" in
0|-1) ;;
*)
echo "(That's peculiar, fixing that to be -1.)"
rd_nodata=-1
;;
esac
case "$eagain" in
'')
echo "Forcing errno EAGAIN on read() with no data available."
eagain=EAGAIN
;;
*)
echo "Your read() sets errno to $eagain when no data is available."
;;
esac
status=`$cat try.err`
case "$status" in
0) echo "And it correctly returns 0 to signal EOF.";;
-1) echo "But it also returns -1 to signal EOF, so be careful!";;
*) echo "However, your read() returns '$status' on EOF??";;
esac
val="$define"
if test "$status" = "$rd_nodata"; then
echo "WARNING: you can't distinguish between EOF and no data!"
val="$undef"
fi
else
echo "I can't compile the test program--assuming errno EAGAIN will do."
eagain=EAGAIN
fi
set d_eofnblk
eval $setvar
;;
*)
echo "Using $hint value $eagain."
echo "Your read() returns $rd_nodata when no data is present."
case "$d_eofnblk" in
"$define") echo "And you can see EOF because read() returns 0.";;
"$undef") echo "But you can't see EOF status from read() returned value.";;
*)
echo "(Assuming you can't see EOF status from read anyway.)"
d_eofnblk=$undef
;;
esac
;;
esac
$rm -f try try.* .out core head.c mtry
: see if fchmod exists
set fchmod d_fchmod
eval $inlibc
: see if fchown exists
set fchown d_fchown
eval $inlibc
: see if this is an fcntl system
set fcntl d_fcntl
eval $inlibc
: see if fgetpos exists
set fgetpos d_fgetpos
eval $inlibc
: see if flock exists
set flock d_flock
eval $inlibc
: see if fork exists
set fork d_fork
eval $inlibc
: see if pathconf exists
set pathconf d_pathconf
eval $inlibc
: see if fpathconf exists
set fpathconf d_fpathconf
eval $inlibc
: see if fsetpos exists
set fsetpos d_fsetpos
eval $inlibc
: see if gethostent exists
set gethostent d_gethent
eval $inlibc
: see if getlogin exists
set getlogin d_getlogin
eval $inlibc
: see if getpgid exists
set getpgid d_getpgid
eval $inlibc
: see if getpgrp2 exists
set getpgrp2 d_getpgrp2
eval $inlibc
: see if getppid exists
set getppid d_getppid
eval $inlibc
: see if getpriority exists
set getpriority d_getprior
eval $inlibc
: see if gettimeofday or ftime exists
set gettimeofday d_gettimeod
eval $inlibc
case "$d_gettimeod" in
"$undef")
set ftime d_ftime
eval $inlibc
;;
*)
val="$undef"; set d_ftime; eval $setvar
;;
esac
case "$d_gettimeod$d_ftime" in
"$undef$undef")
echo " "
echo 'No ftime() nor gettimeofday() -- timing may be less accurate.' >&4
;;
esac
: see if this is a netinet/in.h or sys/in.h system
set netinet/in.h i_niin sys/in.h i_sysin
eval $inhdr
: see if htonl --and friends-- exists
val=''
set htonl val
eval $inlibc
: Maybe they are macros.
case "$val" in
$undef)
$cat >htonl.c <<EOM
#include <stdio.h>
#include <sys/types.h>
#$i_niin I_NETINET_IN
#$i_sysin I_SYS_IN
#ifdef I_NETINET_IN
#include <netinet/in.h>
#endif
#ifdef I_SYS_IN
#include <sys/in.h>
#endif
#ifdef htonl
printf("Defined as a macro.");
#endif
EOM
$cppstdin $cppflags $cppminus < htonl.c >htonl.E 2>/dev/null
if $contains 'Defined as a macro' htonl.E >/dev/null 2>&1; then
val="$define"
echo "But it seems to be defined as a macro." >&4
fi
$rm -f htonl.?
;;
esac
set d_htonl
eval $setvar
: see which of string.h or strings.h is needed
echo " "
strings=`./findhdr string.h`
if $test "$strings" && $test -r "$strings"; then
echo "Using <string.h> instead of <strings.h>." >&4
val="$define"
else
val="$undef"
strings=`./findhdr strings.h`
if $test "$strings" && $test -r "$strings"; then
echo "Using <strings.h> instead of <string.h>." >&4
else
echo "No string header found -- You'll surely have problems." >&4
fi
fi
set i_string
eval $setvar
case "$i_string" in
"$undef") strings=`./findhdr strings.h`;;
*) strings=`./findhdr string.h`;;
esac
: index or strchr
echo " "
if set index val -f; eval $csym; $val; then
if set strchr val -f d_strchr; eval $csym; $val; then
if $contains strchr "$strings" >/dev/null 2>&1 ; then
val="$define"
vali="$undef"
echo "strchr() found." >&4
else
val="$undef"
vali="$define"
echo "index() found." >&4
fi
else
val="$undef"
vali="$define"
echo "index() found." >&4
fi
else
if set strchr val -f d_strchr; eval $csym; $val; then
val="$define"
vali="$undef"
echo "strchr() found." >&4
else
echo "No index() or strchr() found!" >&4
val="$undef"
vali="$undef"
fi
fi
set d_strchr; eval $setvar
val="$vali"
set d_index; eval $setvar
: check whether inet_aton exists
set inet_aton d_inetaton
eval $inlibc
: Look for isascii
echo " "
$cat >isascii.c <<'EOCP'
#include <stdio.h>
#include <ctype.h>
main() {
int c = 'A';
if (isascii(c))
exit(0);
else
exit(1);
}
EOCP
if $cc $ccflags $ldflags -o isascii isascii.c $libs >/dev/null 2>&1 ; then
echo "isascii() found." >&4
val="$define"
else
echo "isascii() NOT found." >&4
val="$undef"
fi
set d_isascii
eval $setvar
$rm -f isascii*
: see if killpg exists
set killpg d_killpg
eval $inlibc
: see if link exists
set link d_link
eval $inlibc
: see if localeconv exists
set localeconv d_locconv
eval $inlibc
: see if lockf exists
set lockf d_lockf
eval $inlibc
: see if lstat exists
set lstat d_lstat
eval $inlibc
: see if mblen exists
set mblen d_mblen
eval $inlibc
: see if mbstowcs exists
set mbstowcs d_mbstowcs
eval $inlibc
: see if mbtowc exists
set mbtowc d_mbtowc
eval $inlibc
: see if memcmp exists
set memcmp d_memcmp
eval $inlibc
: see if memcpy exists
set memcpy d_memcpy
eval $inlibc
: see if memmove exists
set memmove d_memmove
eval $inlibc
: see if memset exists
set memset d_memset
eval $inlibc
: see if mkdir exists
set mkdir d_mkdir
eval $inlibc
: see if mkfifo exists
set mkfifo d_mkfifo
eval $inlibc
: see if mktime exists
set mktime d_mktime
eval $inlibc
: see if msgctl exists
set msgctl d_msgctl
eval $inlibc
: see if msgget exists
set msgget d_msgget
eval $inlibc
: see if msgsnd exists
set msgsnd d_msgsnd
eval $inlibc
: see if msgrcv exists
set msgrcv d_msgrcv
eval $inlibc
: see how much of the 'msg*(2)' library is present.
h_msg=true
echo " "
case "$d_msgctl$d_msgget$d_msgsnd$d_msgrcv" in
*"$undef"*) h_msg=false;;
esac
: we could also check for sys/ipc.h ...
if $h_msg && $test `./findhdr sys/msg.h`; then
echo "You have the full msg*(2) library." >&4
val="$define"
else
echo "You don't have the full msg*(2) library." >&4
val="$undef"
fi
set d_msg
eval $setvar
: see if this is a malloc.h system
set malloc.h i_malloc
eval $inhdr
: see if stdlib is available
set stdlib.h i_stdlib
eval $inhdr
: determine which malloc to compile in
echo " "
case "$usemymalloc" in
''|y*|true) dflt='y' ;;
n*|false) dflt='n' ;;
*) dflt="$usemymalloc" ;;
esac
rp="Do you wish to attempt to use the malloc that comes with $package?"
. ./myread
usemymalloc="$ans"
case "$ans" in
y*|true)
usemymalloc='y'
mallocsrc='malloc.c'
mallocobj='malloc.o'
d_mymalloc="$define"
case "$libs" in
*-lmalloc*)
: Remove malloc from list of libraries to use
echo "Removing unneeded -lmalloc from library list" >&4
set `echo X $libs | $sed -e 's/-lmalloc / /' -e 's/-lmalloc$//'`
shift
libs="$*"
echo "libs = $libs" >&4
;;
esac
;;
*)
usemymalloc='n'
mallocsrc=''
mallocobj=''
d_mymalloc="$undef"
;;
esac
: compute the return types of malloc and free
echo " "
$cat >malloc.c <<END
#$i_malloc I_MALLOC
#$i_stdlib I_STDLIB
#include <stdio.h>
#include <sys/types.h>
#ifdef I_MALLOC
#include <malloc.h>
#endif
#ifdef I_STDLIB
#include <stdlib.h>
#endif
#ifdef TRY_MALLOC
void *malloc();
#endif
#ifdef TRY_FREE
void free();
#endif
END
case "$malloctype" in
'')
if $cc $ccflags -c -DTRY_MALLOC malloc.c >/dev/null 2>&1; then
malloctype='void *'
else
malloctype='char *'
fi
;;
esac
echo "Your system wants malloc to return '$malloctype', it would seem." >&4
case "$freetype" in
'')
if $cc $ccflags -c -DTRY_FREE malloc.c >/dev/null 2>&1; then
freetype='void'
else
freetype='int'
fi
;;
esac
echo "Your system uses $freetype free(), it would seem." >&4
$rm -f malloc.[co]
: see if nice exists
set nice d_nice
eval $inlibc
: see if pause exists
set pause d_pause
eval $inlibc
: see if pipe exists
set pipe d_pipe
eval $inlibc
: see if poll exists
set poll d_poll
eval $inlibc
: see if this is a pwd.h system
set pwd.h i_pwd
eval $inhdr
case "$i_pwd" in
$define)
xxx=`./findhdr pwd.h`
$cppstdin $cppflags $cppminus < $xxx >$$.h
if $contains 'pw_quota' $$.h >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
set d_pwquota
eval $setvar
if $contains 'pw_age' $$.h >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
set d_pwage
eval $setvar
if $contains 'pw_change' $$.h >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
set d_pwchange
eval $setvar
if $contains 'pw_class' $$.h >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
set d_pwclass
eval $setvar
if $contains 'pw_expire' $$.h >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
set d_pwexpire
eval $setvar
if $contains 'pw_comment' $$.h >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
set d_pwcomment
eval $setvar
$rm -f $$.h
;;
*)
val="$undef";
set d_pwquota; eval $setvar
set d_pwage; eval $setvar
set d_pwchange; eval $setvar
set d_pwclass; eval $setvar
set d_pwexpire; eval $setvar
set d_pwcomment; eval $setvar
;;
esac
: see if readdir and friends exist
set readdir d_readdir
eval $inlibc
set seekdir d_seekdir
eval $inlibc
set telldir d_telldir
eval $inlibc
set rewinddir d_rewinddir
eval $inlibc
: see if readlink exists
set readlink d_readlink
eval $inlibc
: see if rename exists
set rename d_rename
eval $inlibc
: see if rmdir exists
set rmdir d_rmdir
eval $inlibc
: see if memory.h is available.
val=''
set memory.h val
eval $inhdr
: See if it conflicts with string.h
case "$val" in
$define)
case "$strings" in
'') ;;
*)
$cppstdin $cppflags $cppminus < $strings > mem.h
if $contains 'memcpy' mem.h >/dev/null 2>&1; then
echo " "
echo "We won't be including <memory.h>."
val="$undef"
fi
$rm -f mem.h
;;
esac
esac
set i_memory
eval $setvar
: can bcopy handle overlapping blocks?
val="$undef"
case "$d_bcopy" in
"$define")
echo " "
echo "Checking to see if your bcopy() can do overlapping copies..." >&4
$cat >foo.c <<EOCP
#$i_memory I_MEMORY
#$i_stdlib I_STDLIB
#$i_string I_STRING
#$i_unistd I_UNISTD
EOCP
$cat >>foo.c <<'EOCP'
#include <stdio.h>
#ifdef I_MEMORY
# include <memory.h>
#endif
#ifdef I_STDLIB
# include <stdlib.h>
#endif
#ifdef I_STRING
# include <string.h>
#else
# include <strings.h>
#endif
#ifdef I_UNISTD
# include <unistd.h> /* Needed for NetBSD */
#endif
main()
{
char buf[128], abc[128];
char *b;
int len;
int off;
int align;
/* Copy "abcde..." string to char abc[] so that gcc doesn't
try to store the string in read-only memory. */
bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36);
for (align = 7; align >= 0; align--) {
for (len = 36; len; len--) {
b = buf+align;
bcopy(abc, b, len);
for (off = 1; off <= len; off++) {
bcopy(b, b+off, len);
bcopy(b+off, b, len);
if (bcmp(b, abc, len))
exit(1);
}
}
}
exit(0);
}
EOCP
if $cc $optimize $ccflags $ldflags foo.c \
-o safebcpy $libs >/dev/null 2>&1; then
if ./safebcpy 2>/dev/null; then
echo "Yes, it can."
val="$define"
else
echo "It can't, sorry."
case "$d_memmove" in
"$define") echo "But that's Ok since you have memmove()." ;;
esac
fi
else
echo "(I can't compile the test program, so we'll assume not...)"
case "$d_memmove" in
"$define") echo "But that's Ok since you have memmove()." ;;
esac
fi
;;
esac
$rm -f foo.* safebcpy core
set d_safebcpy
eval $setvar
: can memcpy handle overlapping blocks?
val="$undef"
case "$d_memcpy" in
"$define")
echo " "
echo "Checking to see if your memcpy() can do overlapping copies..." >&4
$cat >foo.c <<EOCP
#$i_memory I_MEMORY
#$i_stdlib I_STDLIB
#$i_string I_STRING
#$i_unistd I_UNISTD
EOCP
$cat >>foo.c <<'EOCP'
#include <stdio.h>
#ifdef I_MEMORY
# include <memory.h>
#endif
#ifdef I_STDLIB
# include <stdlib.h>
#endif
#ifdef I_STRING
# include <string.h>
#else
# include <strings.h>
#endif
#ifdef I_UNISTD
# include <unistd.h> /* Needed for NetBSD */
#endif
main()
{
char buf[128], abc[128];
char *b;
int len;
int off;
int align;
/* Copy "abcde..." string to char abc[] so that gcc doesn't
try to store the string in read-only memory. */
memcpy(abc, "abcdefghijklmnopqrstuvwxyz0123456789", 36);
for (align = 7; align >= 0; align--) {
for (len = 36; len; len--) {
b = buf+align;
memcpy(b, abc, len);
for (off = 1; off <= len; off++) {
memcpy(b+off, b, len);
memcpy(b, b+off, len);
if (memcmp(b, abc, len))
exit(1);
}
}
}
exit(0);
}
EOCP
if $cc $optimize $ccflags $ldflags foo.c \
-o safemcpy $libs >/dev/null 2>&1; then
if ./safemcpy 2>/dev/null; then
echo "Yes, it can."
val="$define"
else
echo "It can't, sorry."
case "$d_memmove" in
"$define") echo "But that's Ok since you have memmove()." ;;
esac
fi
else
echo "(I can't compile the test program, so we'll assume not...)"
case "$d_memmove" in
"$define") echo "But that's Ok since you have memmove()." ;;
esac
fi
;;
esac
$rm -f foo.* safemcpy core
set d_safemcpy
eval $setvar
: can memcmp be trusted to compare relative magnitude?
val="$undef"
case "$d_memcmp" in
"$define")
echo " "
echo "Checking to see if your memcmp() can compare relative magnitude..." >&4
$cat >foo.c <<EOCP
#$i_memory I_MEMORY
#$i_stdlib I_STDLIB
#$i_string I_STRING
#$i_unistd I_UNISTD
EOCP
$cat >>foo.c <<'EOCP'
#include <stdio.h>
#ifdef I_MEMORY
# include <memory.h>
#endif
#ifdef I_STDLIB
# include <stdlib.h>
#endif
#ifdef I_STRING
# include <string.h>
#else
# include <strings.h>
#endif
#ifdef I_UNISTD
# include <unistd.h> /* Needed for NetBSD */
#endif
main()
{
char a = -1;
char b = 0;
if ((a < b) && memcmp(&a, &b, 1) < 0)
exit(1);
exit(0);
}
EOCP
if $cc $optimize $ccflags $ldflags foo.c \
-o sanemcmp $libs >/dev/null 2>&1; then
if ./sanemcmp 2>/dev/null; then
echo "Yes, it can."
val="$define"
else
echo "No, it can't (it uses signed chars)."
fi
else
echo "(I can't compile the test program, so we'll assume not...)"
fi
;;
esac
$rm -f foo.* sanemcmp core
set d_sanemcmp
eval $setvar
: see if select exists
set select d_select
eval $inlibc
: see if semctl exists
set semctl d_semctl
eval $inlibc
: see if semget exists
set semget d_semget
eval $inlibc
: see if semop exists
set semop d_semop
eval $inlibc
: see how much of the 'sem*(2)' library is present.
h_sem=true
echo " "
case "$d_semctl$d_semget$d_semop" in
*"$undef"*) h_sem=false;;
esac
: we could also check for sys/ipc.h ...
if $h_sem && $test `./findhdr sys/sem.h`; then
echo "You have the full sem*(2) library." >&4
val="$define"
else
echo "You don't have the full sem*(2) library." >&4
val="$undef"
fi
set d_sem
eval $setvar
: see if setegid exists
set setegid d_setegid
eval $inlibc
: see if seteuid exists
set seteuid d_seteuid
eval $inlibc
: see if setlinebuf exists
set setlinebuf d_setlinebuf
eval $inlibc
: see if setlocale exists
set setlocale d_setlocale
eval $inlibc
: see if setpgid exists
set setpgid d_setpgid
eval $inlibc
: see if setpgrp2 exists
set setpgrp2 d_setpgrp2
eval $inlibc
: see if setpriority exists
set setpriority d_setprior
eval $inlibc
: see if setregid exists
set setregid d_setregid
eval $inlibc
set setresgid d_setresgid
eval $inlibc
: see if setreuid exists
set setreuid d_setreuid
eval $inlibc
set setresuid d_setresuid
eval $inlibc
: see if setrgid exists
set setrgid d_setrgid
eval $inlibc
: see if setruid exists
set setruid d_setruid
eval $inlibc
: see if setsid exists
set setsid d_setsid
eval $inlibc
: see if sfio.h is available
set sfio.h i_sfio
eval $inhdr
: see if sfio library is available
case "$i_sfio" in
$define)
val=''
set sfreserve val
eval $inlibc
;;
*)
val="$undef"
;;
esac
: Ok, but do we want to use it.
case "$val" in
$define)
case "$usesfio" in
true|$define|[yY]*) dflt='y';;
*) dflt='n';;
esac
echo "$package can use the sfio library, but it is experimental."
rp="You seem to have sfio available, do you want to try using it?"
. ./myread
case "$ans" in
y|Y) ;;
*) echo "Ok, avoiding sfio this time. I'll use stdio instead."
val="$undef"
: Remove sfio from list of libraries to use
set `echo X $libs | $sed -e 's/-lsfio / /' -e 's/-lsfio$//'`
shift
libs="$*"
echo "libs = $libs" >&4
;;
esac
;;
*) case "$usesfio" in
true|$define|[yY]*)
echo "Sorry, cannot find sfio on this machine" >&4
echo "Ignoring your setting of usesfio=$usesfio" >&4
;;
esac
;;
esac
set d_sfio
eval $setvar
case "$d_sfio" in
$define) usesfio='true';;
*) usesfio='false';;
esac
: see if shmctl exists
set shmctl d_shmctl
eval $inlibc
: see if shmget exists
set shmget d_shmget
eval $inlibc
: see if shmat exists
set shmat d_shmat
eval $inlibc
: see what shmat returns
case "$d_shmat" in
"$define")
$cat >shmat.c <<'END'
#include <sys/shm.h>
void *shmat();
END
if $cc $ccflags -c shmat.c >/dev/null 2>&1; then
shmattype='void *'
else
shmattype='char *'
fi
echo "and it returns ($shmattype)." >&4
: see if a prototype for shmat is available
xxx=`./findhdr sys/shm.h`
$cppstdin $cppflags $cppminus < $xxx > shmat.c 2>/dev/null
if $contains 'shmat.*(' shmat.c >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
$rm -f shmat.[co]
;;
*)
val="$undef"
;;
esac
set d_shmatprototype
eval $setvar
: see if shmdt exists
set shmdt d_shmdt
eval $inlibc
: see how much of the 'shm*(2)' library is present.
h_shm=true
echo " "
case "$d_shmctl$d_shmget$d_shmat$d_shmdt" in
*"$undef"*) h_shm=false;;
esac
: we could also check for sys/ipc.h ...
if $h_shm && $test `./findhdr sys/shm.h`; then
echo "You have the full shm*(2) library." >&4
val="$define"
else
echo "You don't have the full shm*(2) library." >&4
val="$undef"
fi
set d_shm
eval $setvar
echo " "
: see if we have sigaction
if set sigaction val -f d_sigaction; eval $csym; $val; then
echo 'sigaction() found.' >&4
val="$define"
else
echo 'sigaction NOT found.' >&4
val="$undef"
fi
$cat > set.c <<'EOP'
/* Solaris 2.5_x86 with SunWorks Pro C 3.0.1 doesn't have a complete
sigaction structure if compiled with cc -Xc. This compile test
will fail then. <doughera@lafcol.lafayette.edu>
*/
#include <stdio.h>
#include <sys/types.h>
#include <signal.h>
main()
{
struct sigaction act, oact;
}
EOP
if $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1; then
:
else
echo "But you don't seem to have a useable struct sigaction." >&4
val="$undef"
fi
set d_sigaction; eval $setvar
$rm -f set set.o set.c
: see if sigsetjmp exists
echo " "
case "$d_sigsetjmp" in
'')
$cat >set.c <<'EOP'
#include <setjmp.h>
sigjmp_buf env;
int set = 1;
main()
{
if (sigsetjmp(env,1))
exit(set);
set = 0;
siglongjmp(env, 1);
exit(1);
}
EOP
if $cc $ccflags $ldflags -o set set.c $libs > /dev/null 2>&1 ; then
if ./set >/dev/null 2>&1; then
echo "POSIX sigsetjmp found." >&4
val="$define"
else
$cat >&4 <<EOM
Uh-Oh! You have POSIX sigsetjmp and siglongjmp, but they do not work properly!!
I'll ignore them.
EOM
val="$undef"
fi
else
echo "sigsetjmp not found." >&4
val="$undef"
fi
;;
*) val="$d_sigsetjmp"
case "$d_sigsetjmp" in
$define) echo "POSIX sigsetjmp found." >&4;;
$undef) echo "sigsetjmp not found." >&4;;
esac
;;
esac
set d_sigsetjmp
eval $setvar
$rm -f set.c set
socketlib=''
sockethdr=''
: see whether socket exists
echo " "
$echo $n "Hmm... $c" >&4
if set socket val -f d_socket; eval $csym; $val; then
echo "Looks like you have Berkeley networking support." >&4
d_socket="$define"
if set setsockopt val -f; eval $csym; $val; then
d_oldsock="$undef"
else
echo "...but it uses the old 4.1c interface, rather than 4.2" >&4
d_oldsock="$define"
fi
else
if $contains socklib libc.list >/dev/null 2>&1; then
echo "Looks like you have Berkeley networking support." >&4
d_socket="$define"
: we will have to assume that it supports the 4.2 BSD interface
d_oldsock="$undef"
else
echo "You don't have Berkeley networking in libc$lib_ext..." >&4
if test -f /usr/lib/libnet$lib_ext; then
( (nm $nm_opt /usr/lib/libnet$lib_ext | eval $nm_extract) || \
ar t /usr/lib/libnet$lib_ext) 2>/dev/null >> libc.list
if $contains socket libc.list >/dev/null 2>&1; then
echo "...but the Wollongong group seems to have hacked it in." >&4
socketlib="-lnet"
sockethdr="-I/usr/netinclude"
d_socket="$define"
if $contains setsockopt libc.list >/dev/null 2>&1; then
d_oldsock="$undef"
else
echo "...using the old 4.1c interface, rather than 4.2" >&4
d_oldsock="$define"
fi
else
echo "or even in libnet$lib_ext, which is peculiar." >&4
d_socket="$undef"
d_oldsock="$undef"
fi
else
echo "or anywhere else I see." >&4
d_socket="$undef"
d_oldsock="$undef"
fi
fi
fi
: see if socketpair exists
set socketpair d_sockpair
eval $inlibc
: see if stat knows about block sizes
echo " "
xxx=`./findhdr sys/stat.h`
if $contains 'st_blocks;' "$xxx" >/dev/null 2>&1 ; then
if $contains 'st_blksize;' "$xxx" >/dev/null 2>&1 ; then
echo "Your stat() knows about block sizes." >&4
val="$define"
else
echo "Your stat() doesn't know about block sizes." >&4
val="$undef"
fi
else
echo "Your stat() doesn't know about block sizes." >&4
val="$undef"
fi
set d_statblks
eval $setvar
: see if _ptr and _cnt from stdio act std
echo " "
if $contains '_IO_fpos_t' `./findhdr stdio.h` >/dev/null 2>&1 ; then
echo "(Looks like you have stdio.h from Linux.)"
case "$stdio_ptr" in
'') stdio_ptr='((fp)->_IO_read_ptr)'
ptr_lval=$define
;;
*) ptr_lval=$d_stdio_ptr_lval;;
esac
case "$stdio_cnt" in
'') stdio_cnt='((fp)->_IO_read_end - (fp)->_IO_read_ptr)'
cnt_lval=$undef
;;
*) cnt_lval=$d_stdio_cnt_lval;;
esac
case "$stdio_base" in
'') stdio_base='((fp)->_IO_read_base)';;
esac
case "$stdio_bufsiz" in
'') stdio_bufsiz='((fp)->_IO_read_end - (fp)->_IO_read_base)';;
esac
else
case "$stdio_ptr" in
'') stdio_ptr='((fp)->_ptr)'
ptr_lval=$define
;;
*) ptr_lval=$d_stdio_ptr_lval;;
esac
case "$stdio_cnt" in
'') stdio_cnt='((fp)->_cnt)'
cnt_lval=$define
;;
*) cnt_lval=$d_stdio_cnt_lval;;
esac
case "$stdio_base" in
'') stdio_base='((fp)->_base)';;
esac
case "$stdio_bufsiz" in
'') stdio_bufsiz='((fp)->_cnt + (fp)->_ptr - (fp)->_base)';;
esac
fi
: test whether _ptr and _cnt really work
echo "Checking how std your stdio is..." >&4
$cat >try.c <<EOP
#include <stdio.h>
#define FILE_ptr(fp) $stdio_ptr
#define FILE_cnt(fp) $stdio_cnt
main() {
FILE *fp = fopen("try.c", "r");
char c = getc(fp);
if (
18 <= FILE_cnt(fp) &&
strncmp(FILE_ptr(fp), "include <stdio.h>\n", 18) == 0
)
exit(0);
exit(1);
}
EOP
val="$undef"
if $cc $ccflags $ldflags -o try try.c $libs >/dev/null 2>&1; then
if ./try; then
echo "Your stdio acts pretty std."
val="$define"
else
echo "Your stdio isn't very std."
fi
else
echo "Your stdio doesn't appear very std."
fi
$rm -f try.c try
set d_stdstdio
eval $setvar
: Can _ptr be used as an lvalue?
case "$d_stdstdio$ptr_lval" in
$define$define) val=$define ;;
*) val=$undef ;;
esac
set d_stdio_ptr_lval
eval $setvar
: Can _cnt be used as an lvalue?
case "$d_stdstdio$cnt_lval" in
$define$define) val=$define ;;
*) val=$undef ;;
esac
set d_stdio_cnt_lval
eval $setvar
: see if _base is also standard
val="$undef"
case "$d_stdstdio" in
$define)
$cat >try.c <<EOP
#include <stdio.h>
#define FILE_base(fp) $stdio_base
#define FILE_bufsiz(fp) $stdio_bufsiz
main() {
FILE *fp = fopen("try.c", "r");
char c = getc(fp);
if (
19 <= FILE_bufsiz(fp) &&
strncmp(FILE_base(fp), "#include <stdio.h>\n", 19) == 0
)
exit(0);
exit(1);
}
EOP
if $cc $ccflags $ldflags -o try try.c $libs > /dev/null 2>&1; then
if ./try; then
echo "And its _base field acts std."
val="$define"
else
echo "But its _base field isn't std."
fi
else
echo "However, it seems to be lacking the _base field."
fi
$rm -f try.c try
;;
esac
set d_stdiobase
eval $setvar
: see if strcoll exists
set strcoll d_strcoll
eval $inlibc
: check for structure copying
echo " "
echo "Checking to see if your C compiler can copy structs..." >&4
$cat >try.c <<'EOCP'
main()
{
struct blurfl {
int dyick;
} foo, bar;
foo = bar;
}
EOCP
if $cc -c try.c >/dev/null 2>&1 ; then
val="$define"
echo "Yup, it can."
else
val="$undef"
echo "Nope, it can't."
fi
set d_strctcpy
eval $setvar
$rm -f try.*
: see if strerror and/or sys_errlist[] exist
echo " "
if set strerror val -f d_strerror; eval $csym; $val; then
echo 'strerror() found.' >&4
d_strerror="$define"
d_strerrm='strerror(e)'
if set sys_errlist val -a d_syserrlst; eval $csym; $val; then
echo "(You also have sys_errlist[], so we could roll our own strerror.)"
d_syserrlst="$define"
else
echo "(Since you don't have sys_errlist[], sterror() is welcome.)"
d_syserrlst="$undef"
fi
elif xxx=`./findhdr string.h`; test "$xxx" || xxx=`./findhdr strings.h`; \
$contains '#[ ]*define.*strerror' "$xxx" >/dev/null 2>&1; then
echo 'strerror() found in string header.' >&4
d_strerror="$define"
d_strerrm='strerror(e)'
if set sys_errlist val -a d_syserrlst; eval $csym; $val; then
echo "(Most probably, strerror() uses sys_errlist[] for descriptions.)"
d_syserrlst="$define"
else
echo "(You don't appear to have any sys_errlist[], how can this be?)"
d_syserrlst="$undef"
fi
elif set sys_errlist val -a d_syserrlst; eval $csym; $val; then
echo "strerror() not found, but you have sys_errlist[] so we'll use that." >&4
d_strerror="$undef"
d_syserrlst="$define"
d_strerrm='((e)<0||(e)>=sys_nerr?"unknown":sys_errlist[e])'
else
echo 'strerror() and sys_errlist[] NOT found.' >&4
d_strerror="$undef"
d_syserrlst="$undef"
d_strerrm='"unknown"'
fi
: see if strtod exists
set strtod d_strtod
eval $inlibc
: see if strtol exists
set strtol d_strtol
eval $inlibc
: see if strtoul exists
set strtoul d_strtoul
eval $inlibc
: see if strxfrm exists
set strxfrm d_strxfrm
eval $inlibc
: see if symlink exists
set symlink d_symlink
eval $inlibc
: see if syscall exists
set syscall d_syscall
eval $inlibc
: see if sysconf exists
set sysconf d_sysconf
eval $inlibc
: see if system exists
set system d_system
eval $inlibc
: see if tcgetpgrp exists
set tcgetpgrp d_tcgetpgrp
eval $inlibc
: see if tcsetpgrp exists
set tcsetpgrp d_tcsetpgrp
eval $inlibc
: define an is-a-typedef? function
typedef='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@;
case "$inclist" in
"") inclist="sys/types.h";;
esac;
eval "varval=\$$var";
case "$varval" in
"")
$rm -f temp.c;
for inc in $inclist; do
echo "#include <$inc>" >>temp.c;
done;
$cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null;
if $contains $type temp.E >/dev/null 2>&1; then
eval "$var=\$type";
else
eval "$var=\$def";
fi;
$rm -f temp.?;;
*) eval "$var=\$varval";;
esac'
: see if this is a sys/times.h system
set sys/times.h i_systimes
eval $inhdr
: see if times exists
echo " "
if set times val -f d_times; eval $csym; $val; then
echo 'times() found.' >&4
d_times="$define"
inc=''
case "$i_systimes" in
"$define") inc='sys/times.h';;
esac
set clock_t clocktype long stdio.h sys/types.h $inc
eval $typedef
dflt="$clocktype"
echo " "
rp="What type is returned by times() on this system?"
. ./myread
clocktype="$ans"
else
echo 'times() NOT found, hope that will do.' >&4
d_times="$undef"
clocktype='int'
fi
: see if truncate exists
set truncate d_truncate
eval $inlibc
: see if tzname[] exists
echo " "
if set tzname val -a d_tzname; eval $csym; $val; then
val="$define"
echo 'tzname[] found.' >&4
else
val="$undef"
echo 'tzname[] NOT found.' >&4
fi
set d_tzname
eval $setvar
: see if umask exists
set umask d_umask
eval $inlibc
: see how we will look up host name
echo " "
if false; then
: dummy stub to allow use of elif
elif set uname val -f d_uname; eval $csym; $val; then
if ./xenix; then
$cat <<'EOM'
uname() was found, but you're running xenix, and older versions of xenix
have a broken uname(). If you don't really know whether your xenix is old
enough to have a broken system call, use the default answer.
EOM
dflt=y
case "$d_uname" in
"$define") dflt=n;;
esac
rp='Is your uname() broken?'
. ./myread
case "$ans" in
n*) d_uname="$define"; call=uname;;
esac
else
echo 'uname() found.' >&4
d_uname="$define"
call=uname
fi
fi
case "$d_gethname" in
'') d_gethname="$undef";;
esac
case "$d_uname" in
'') d_uname="$undef";;
esac
case "$d_phostname" in
'') d_phostname="$undef";;
esac
: backward compatibility for d_hvfork
if test X$d_hvfork != X; then
d_vfork="$d_hvfork"
d_hvfork=''
fi
: see if there is a vfork
val=''
set vfork val
eval $inlibc
: Ok, but do we want to use it. vfork is reportedly unreliable in
: perl on Solaris 2.x, and probably elsewhere.
case "$val" in
$define)
echo " "
case "$usevfork" in
false) dflt='n';;
*) dflt='y';;
esac
rp="Some systems have problems with vfork(). Do you want to use it?"
. ./myread
case "$ans" in
y|Y) ;;
*)
echo "Ok, we won't use vfork()."
val="$undef"
;;
esac
;;
esac
set d_vfork
eval $setvar
case "$d_vfork" in
$define) usevfork='true';;
*) usevfork='false';;
esac
: see if this is an sysdir system
set sys/dir.h i_sysdir
eval $inhdr
: see if this is an sysndir system
set sys/ndir.h i_sysndir
eval $inhdr
: see if closedir exists
set closedir d_closedir
eval $inlibc
case "$d_closedir" in
"$define")
echo " "
echo "Checking whether closedir() returns a status..." >&4
cat > closedir.c <<EOM
#$i_dirent I_DIRENT /**/
#$i_sysdir I_SYS_DIR /**/
#$i_sysndir I_SYS_NDIR /**/
#if defined(I_DIRENT)
#include <dirent.h>
#if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
#include <sys/dir.h>
#endif
#else
#ifdef I_SYS_NDIR
#include <sys/ndir.h>
#else
#ifdef I_SYS_DIR
#ifdef hp9000s500
#include <ndir.h> /* may be wrong in the future */
#else
#include <sys/dir.h>
#endif
#endif
#endif
#endif
int main() { return closedir(opendir(".")); }
EOM
if $cc $ccflags $ldflags -o closedir closedir.c $libs > /dev/null 2>&1; then
if ./closedir > /dev/null 2>&1 ; then
echo "Yes, it does."
val="$undef"
else
echo "No, it doesn't."
val="$define"
fi
else
echo "(I can't seem to compile the test program--assuming it doesn't)"
val="$define"
fi
;;
*)
val="$undef";
;;
esac
set d_void_closedir
eval $setvar
$rm -f closedir*
: check for volatile keyword
echo " "
echo 'Checking to see if your C compiler knows about "volatile"...' >&4
$cat >try.c <<'EOCP'
main()
{
typedef struct _goo_struct goo_struct;
goo_struct * volatile goo = ((goo_struct *)0);
struct _goo_struct {
long long_int;
int reg_int;
char char_var;
};
typedef unsigned short foo_t;
char *volatile foo;
volatile int bar;
volatile foo_t blech;
foo = foo;
}
EOCP
if $cc -c $ccflags try.c >/dev/null 2>&1 ; then
val="$define"
echo "Yup, it does."
else
val="$undef"
echo "Nope, it doesn't."
fi
set d_volatile
eval $setvar
$rm -f try.*
: see if there is a wait4
set wait4 d_wait4
eval $inlibc
: see if waitpid exists
set waitpid d_waitpid
eval $inlibc
: see if wcstombs exists
set wcstombs d_wcstombs
eval $inlibc
: see if wctomb exists
set wctomb d_wctomb
eval $inlibc
: preserve RCS keywords in files with variable substitution, grrr
Date='$Date'
Id='$Id'
Log='$Log'
RCSfile='$RCSfile'
Revision='$Revision'
: check for alignment requirements
echo " "
case "$alignbytes" in
'') echo "Checking alignment constraints..." >&4
$cat >try.c <<'EOCP'
struct foobar {
char foo;
double bar;
} try;
main()
{
printf("%d\n", (char *)&try.bar - (char *)&try.foo);
}
EOCP
if $cc $ccflags try.c -o try >/dev/null 2>&1; then
dflt=`./try`
else
dflt='8'
echo "(I can't seem to compile the test program...)"
fi
;;
*) dflt="$alignbytes"
;;
esac
rp="Doubles must be aligned on a how-many-byte boundary?"
. ./myread
alignbytes="$ans"
$rm -f try.c try
: check for ordering of bytes in a long
case "$byteorder" in
'')
$cat <<'EOM'
In the following, larger digits indicate more significance. A big-endian
machine like a Pyramid or a Motorola 680?0 chip will come out to 4321. A
little-endian machine like a Vax or an Intel 80?86 chip would be 1234. Other
machines may have weird orders like 3412. A Cray will report 87654321. If
the test program works the default is probably right.
I'm now running the test program...
EOM
$cat >try.c <<'EOCP'
#include <stdio.h>
main()
{
int i;
union {
unsigned long l;
char c[sizeof(long)];
} u;
if (sizeof(long) > 4)
u.l = (0x08070605L << 32) | 0x04030201L;
else
u.l = 0x04030201L;
for (i = 0; i < sizeof(long); i++)
printf("%c", u.c[i]+'0');
printf("\n");
exit(0);
}
EOCP
xxx_prompt=y
if $cc $ccflags try.c -o try >/dev/null 2>&1 && ./try > /dev/null; then
dflt=`./try`
case "$dflt" in
[1-4][1-4][1-4][1-4]|12345678|87654321)
echo "(The test program ran ok.)"
echo "byteorder=$dflt"
xxx_prompt=n
;;
????|????????) echo "(The test program ran ok.)" ;;
*) echo "(The test program didn't run right for some reason.)" ;;
esac
else
dflt='4321'
cat <<'EOM'
(I can't seem to compile the test program. Guessing big-endian...)
EOM
fi
case "$xxx_prompt" in
y)
rp="What is the order of bytes in a long?"
. ./myread
byteorder="$ans"
;;
*) byteorder=$dflt
;;
esac
;;
esac
$rm -f try.c try
: how do we catenate cpp tokens here?
echo " "
echo "Checking to see how your cpp does stuff like catenate tokens..." >&4
$cat >cpp_stuff.c <<'EOCP'
#define RCAT(a,b)a/**/b
#define ACAT(a,b)a ## b
RCAT(Rei,ser)
ACAT(Cir,cus)
EOCP
$cppstdin $cppflags $cppminus <cpp_stuff.c >cpp_stuff.out 2>&1
if $contains 'Circus' cpp_stuff.out >/dev/null 2>&1; then
echo "Oh! Smells like ANSI's been here."
echo "We can catify or stringify, separately or together!"
cpp_stuff=42
elif $contains 'Reiser' cpp_stuff.out >/dev/null 2>&1; then
echo "Ah, yes! The good old days!"
echo "However, in the good old days we don't know how to stringify and"
echo "catify at the same time."
cpp_stuff=1
else
$cat >&4 <<EOM
Hmm, I don't seem to be able to catenate tokens with your cpp. You're going
to have to edit the values of CAT[2-5] in config.h...
EOM
cpp_stuff="/* Help! How do we handle cpp_stuff? */*/"
fi
$rm -f cpp_stuff.*
: see if this is a db.h system
set db.h i_db
eval $inhdr
case "$i_db" in
$define)
: Check db version. We can not use version 2.
echo " "
echo "Checking Berkeley DB version ..." >&4
$cat >try.c <<EOCP
#$d_const HASCONST
#ifndef HASCONST
#define const
#endif
#include <sys/types.h>
#include <stdio.h>
#include <db.h>
main()
{
#ifdef DB_VERSION_MAJOR /* DB version >= 2: not yet. */
printf("You have Berkeley DB Version %d.%d\n",
DB_VERSION_MAJOR, DB_VERSION_MINOR);
printf("Perl currently only supports up to version 1.86.\n");
exit(2);
#else
#if defined(_DB_H_) && defined(BTREEMAGIC) && defined(HASHMAGIC)
exit(0); /* DB version < 2: the coast is clear. */
#else
exit(1); /* <db.h> not Berkeley DB? */
#endif
#endif
}
EOCP
if $cc $optimize $ccflags $ldflags -o try try.c $libs && ./try; then
echo 'Looks OK. (Perl supports up to version 1.86).' >&4
else
echo "I can't use Berkeley DB with your <db.h>. I'll disable Berkeley DB." >&4
i_db=$undef
case " $libs " in
*"-ldb "*)
: Remove db from list of libraries to use
echo "Removing unusable -ldb from library list" >&4
set `echo X $libs | $sed -e 's/-ldb / /' -e 's/-ldb$//'`
shift
libs="$*"
echo "libs = $libs" >&4
;;
esac
fi
$rm -f try.*
;;
esac
case "$i_db" in
define)
: Check the return type needed for hash
echo " "
echo "Checking return type needed for hash for Berkeley DB ..." >&4
$cat >try.c <<EOCP
#$d_const HASCONST
#ifndef HASCONST
#define const
#endif
#include <sys/types.h>
#include <db.h>
u_int32_t hash_cb (ptr, size)
const void *ptr;
size_t size;
{
}
HASHINFO info;
main()
{
info.hash = hash_cb;
}
EOCP
if $cc $ccflags -c try.c >try.out 2>&1 ; then
if $contains warning try.out >>/dev/null 2>&1 ; then
db_hashtype='int'
else
db_hashtype='u_int32_t'
fi
else
: XXX Maybe we should just give up here.
db_hashtype=u_int32_t
echo "Help: I can't seem to compile the db test program." >&4
echo "Something's wrong, but I'll assume you use $db_hashtype." >&4
fi
$rm -f try.*
echo "Your version of Berkeley DB uses $db_hashtype for hash."
;;
*) db_hashtype=u_int32_t
;;
esac
case "$i_db" in
define)
: Check the return type needed for prefix
echo " "
echo "Checking return type needed for prefix for Berkeley DB ..." >&4
cat >try.c <<EOCP
#$d_const HASCONST
#ifndef HASCONST
#define const
#endif
#include <sys/types.h>
#include <db.h>
size_t prefix_cb (key1, key2)
const DBT *key1;
const DBT *key2;
{
}
BTREEINFO info;
main()
{
info.prefix = prefix_cb;
}
EOCP
if $cc $ccflags -c try.c >try.out 2>&1 ; then
if $contains warning try.out >>/dev/null 2>&1 ; then
db_prefixtype='int'
else
db_prefixtype='size_t'
fi
else
db_prefixtype='size_t'
: XXX Maybe we should just give up here.
echo "Help: I can't seem to compile the db test program." >&4
echo "Something's wrong, but I'll assume you use $db_prefixtype." >&4
fi
$rm -f try.*
echo "Your version of Berkeley DB uses $db_prefixtype for prefix."
;;
*) db_prefixtype='size_t'
;;
esac
: check for void type
echo " "
echo "Checking to see how well your C compiler groks the void type..." >&4
echo " "
$cat >&4 <<EOM
Support flag bits are:
1: basic void declarations.
2: arrays of pointers to functions returning void.
4: operations between pointers to and addresses of void functions.
8: generic void pointers.
EOM
echo " "
case "$voidflags" in
'')
$cat >try.c <<'EOCP'
#if TRY & 1
void sub() {
#else
sub() {
#endif
extern void moo(); /* function returning void */
void (*goo)(); /* ptr to func returning void */
#if TRY & 8
void *hue; /* generic ptr */
#endif
#if TRY & 2
void (*foo[10])();
#endif
#if TRY & 4
if(goo == moo) {
exit(0);
}
#endif
exit(0);
}
main() { sub(); }
EOCP
if $cc $ccflags -c -DTRY=$defvoidused try.c >.out 2>&1 ; then
voidflags=$defvoidused
echo "It appears to support void to the level $package wants ($defvoidused)."
if $contains warning .out >/dev/null 2>&1; then
echo "However, you might get some warnings that look like this:"
$cat .out
fi
else
echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4
if $cc $ccflags -c -DTRY=1 try.c >/dev/null 2>&1; then
echo "It supports 1..."
if $cc $ccflags -c -DTRY=3 try.c >/dev/null 2>&1; then
echo "It also supports 2..."
if $cc $ccflags -c -DTRY=7 try.c >/dev/null 2>&1; then
voidflags=7
echo "And it supports 4 but not 8 definitely."
else
echo "It doesn't support 4..."
if $cc $ccflags -c -DTRY=11 try.c >/dev/null 2>&1; then
voidflags=11
echo "But it supports 8."
else
voidflags=3
echo "Neither does it support 8."
fi
fi
else
echo "It does not support 2..."
if $cc $ccflags -c -DTRY=13 try.c >/dev/null 2>&1; then
voidflags=13
echo "But it supports 4 and 8."
else
if $cc $ccflags -c -DTRY=5 try.c >/dev/null 2>&1; then
voidflags=5
echo "And it supports 4 but has not heard about 8."
else
echo "However it supports 8 but not 4."
fi
fi
fi
else
echo "There is no support at all for void."
voidflags=0
fi
fi
esac
: Only prompt user if support does not match the level we want
case "$voidflags" in
"$defvoidused") ;;
*)
dflt="$voidflags";
rp="Your void support flags add up to what?"
. ./myread
voidflags="$ans"
;;
esac
$rm -f try.* .out
: see what type file positions are declared as in the library
set fpos_t fpostype long stdio.h sys/types.h
eval $typedef
echo " "
dflt="$fpostype"
rp="What is the type for file position used by fsetpos()?"
. ./myread
fpostype="$ans"
: Store the full pathname to the sed program for use in the C program
full_sed=$sed
: see what type gids are declared as in the kernel
set gid_t gidtype xxx stdio.h sys/types.h
eval $typedef
case "$gidtype" in
xxx)
xxx=`./findhdr sys/user.h`
set `grep 'groups\[NGROUPS\];' "$xxx" 2>/dev/null` unsigned short
case $1 in
unsigned) dflt="$1 $2" ;;
*) dflt="$1" ;;
esac
;;
*) dflt="$gidtype";;
esac
echo " "
rp="What is the type for group ids returned by getgid()?"
. ./myread
gidtype="$ans"
: see if getgroups exists
set getgroups d_getgrps
eval $inlibc
: see if setgroups exists
set setgroups d_setgrps
eval $inlibc
: Find type of 2nd arg to 'getgroups()' and 'setgroups()'
echo " "
case "$d_getgrps$d_setgrps" in
*define*)
case "$groupstype" in
'') dflt="$gidtype" ;;
*) dflt="$groupstype" ;;
esac
$cat <<EOM
What is the type of the second argument to getgroups() and setgroups()?
Usually this is the same as group ids, $gidtype, but not always.
EOM
rp='What type is the second argument to getgroups() and setgroups()?'
. ./myread
groupstype="$ans"
;;
*) groupstype="$gidtype";;
esac
: see what type lseek is declared as in the kernel
set off_t lseektype long stdio.h sys/types.h
eval $typedef
echo " "
dflt="$lseektype"
rp="What type is lseek's offset on this system declared as?"
. ./myread
lseektype="$ans"
echo " "
case "$make" in
'')
make=`./loc make make $pth`
case "$make" in
/*) echo make is in $make. ;;
?:[\\/]*) echo make is in $make. ;;
*) echo "I don't know where 'make' is, and my life depends on it." >&4
echo "Go find a make program or fix your PATH setting!" >&4
exit 1
;;
esac
;;
*) echo make is in $make. ;;
esac
$echo $n "Checking if your $make program sets \$(MAKE)... $c" >&4
case "$make_set_make" in
'')
$sed 's/^X //' > testmake.mak << 'EOF'
Xall:
X @echo 'ac_maketemp="$(MAKE)"'
EOF
: GNU make sometimes prints "make[1]: Entering...", which would confuse us.
case "`$make -f testmake.mak 2>/dev/null`" in
*ac_maketemp=*) make_set_make='#' ;;
*) make_set_make="MAKE=$make" ;;
esac
$rm -f testmake.mak
;;
esac
case "$make_set_make" in
'#') echo "Yup, it does." >&4 ;;
*) echo "Nope, it doesn't." >&4 ;;
esac
: see what type is used for mode_t
set mode_t modetype int stdio.h sys/types.h
eval $typedef
dflt="$modetype"
echo " "
rp="What type is used for file modes?"
. ./myread
modetype="$ans"
: locate the preferred pager for this system
case "$pager" in
'')
dflt=''
case "$pg" in
/*) dflt=$pg;;
esac
case "$more" in
/*) dflt=$more;;
esac
case "$less" in
/*) dflt=$less;;
esac
case "$dflt" in
'') dflt=/usr/ucb/more;;
esac
;;
*) dflt="$pager";;
esac
echo " "
fn=f/
rp='What pager is used on your system?'
. ./getfile
pager="$ans"
: Cruising for prototypes
echo " "
echo "Checking out function prototypes..." >&4
$cat >prototype.c <<'EOCP'
main(int argc, char *argv[]) {
exit(0);}
EOCP
if $cc $ccflags -c prototype.c >prototype.out 2>&1 ; then
echo "Your C compiler appears to support function prototypes."
val="$define"
else
echo "Your C compiler doesn't seem to understand function prototypes."
val="$undef"
fi
set prototype
eval $setvar
$rm -f prototype*
: check for size of random number generator
echo " "
case "$randbits" in
'')
echo "Checking to see how many bits your rand function produces..." >&4
$cat >try.c <<EOCP
#$i_unistd I_UNISTD
#$i_stdlib I_STDLIB
#include <stdio.h>
#ifdef I_UNISTD
# include <unistd.h>
#endif
#ifdef I_STDLIB
# include <stdlib.h>
#endif
EOCP
$cat >>try.c <<'EOCP'
main()
{
register int i;
register unsigned long tmp;
register unsigned long max = 0L;
for (i = 1000; i; i--) {
tmp = (unsigned long)rand();
if (tmp > max) max = tmp;
}
for (i = 0; max; i++)
max /= 2;
printf("%d\n",i);
fflush(stdout);
}
EOCP
if $cc $ccflags $ldflags -o try try.c $libs >/dev/null 2>&1 ; then
dflt=`try`
else
dflt='?'
echo "(I can't seem to compile the test program...)"
fi
;;
*)
dflt="$randbits"
;;
esac
rp='How many bits does your rand() function produce?'
. ./myread
randbits="$ans"
$rm -f try.c try.o try
: see if ar generates random libraries by itself
echo " "
echo "Checking how to generate random libraries on your machine..." >&4
echo 'int bar1() { return bar2(); }' > bar1.c
echo 'int bar2() { return 2; }' > bar2.c
$cat > foo.c <<'EOP'
main() { printf("%d\n", bar1()); exit(0); }
EOP
$cc $ccflags -c bar1.c >/dev/null 2>&1
$cc $ccflags -c bar2.c >/dev/null 2>&1
$cc $ccflags -c foo.c >/dev/null 2>&1
ar rc bar$lib_ext bar2.o bar1.o >/dev/null 2>&1
if $cc $ccflags $ldflags -o foobar foo.o bar$lib_ext $libs > /dev/null 2>&1 &&
./foobar >/dev/null 2>&1; then
echo "ar appears to generate random libraries itself."
orderlib=false
ranlib=":"
elif ar ts bar$lib_ext >/dev/null 2>&1 &&
$cc $ccflags $ldflags -o foobar foo.o bar$lib_ext $libs > /dev/null 2>&1 &&
./foobar >/dev/null 2>&1; then
echo "a table of contents needs to be added with 'ar ts'."
orderlib=false
ranlib="ar ts"
else
case "$ranlib" in
:) ranlib='';;
'')
ranlib=`./loc ranlib X /usr/bin /bin /usr/local/bin`
$test -f $ranlib || ranlib=''
;;
esac
if $test -n "$ranlib"; then
echo "your system has '$ranlib'; we'll use that."
orderlib=false
else
echo "your system doesn't seem to support random libraries"
echo "so we'll use lorder and tsort to order the libraries."
orderlib=true
ranlib=":"
fi
fi
$rm -f foo* bar*
: see if sys/select.h has to be included
set sys/select.h i_sysselct
eval $inhdr
: see if we should include time.h, sys/time.h, or both
echo " "
echo "Testing to see if we should include <time.h>, <sys/time.h> or both." >&4
$echo $n "I'm now running the test program...$c"
$cat >try.c <<'EOCP'
#include <sys/types.h>
#ifdef I_TIME
#include <time.h>
#endif
#ifdef I_SYSTIME
#ifdef SYSTIMEKERNEL
#define KERNEL
#endif
#include <sys/time.h>
#endif
#ifdef I_SYSSELECT
#include <sys/select.h>
#endif
main()
{
struct tm foo;
#ifdef S_TIMEVAL
struct timeval bar;
#endif
#ifdef S_TIMEZONE
struct timezone tzp;
#endif
if (foo.tm_sec == foo.tm_sec)
exit(0);
#ifdef S_TIMEVAL
if (bar.tv_sec == bar.tv_sec)
exit(0);
#endif
exit(1);
}
EOCP
flags=''
for s_timezone in '-DS_TIMEZONE' ''; do
sysselect=''
for s_timeval in '-DS_TIMEVAL' ''; do
for i_systimek in '' '-DSYSTIMEKERNEL'; do
for i_time in '' '-DI_TIME'; do
for i_systime in '-DI_SYSTIME' ''; do
case "$flags" in
'') $echo $n ".$c"
if $cc $ccflags \
$i_time $i_systime $i_systimek $sysselect $s_timeval $s_timezone \
try.c -o try >/dev/null 2>&1 ; then
set X $i_time $i_systime $i_systimek $sysselect $s_timeval
shift
flags="$*"
echo " "
$echo $n "Succeeded with $flags$c"
fi
;;
esac
done
done
done
done
done
timeincl=''
echo " "
case "$flags" in
*SYSTIMEKERNEL*) i_systimek="$define"
timeincl=`./findhdr sys/time.h`
echo "We'll include <sys/time.h> with KERNEL defined." >&4;;
*) i_systimek="$undef";;
esac
case "$flags" in
*I_TIME*) i_time="$define"
timeincl=`./findhdr time.h`" $timeincl"
echo "We'll include <time.h>." >&4;;
*) i_time="$undef";;
esac
case "$flags" in
*I_SYSTIME*) i_systime="$define"
timeincl=`./findhdr sys/time.h`" $timeincl"
echo "We'll include <sys/time.h>." >&4;;
*) i_systime="$undef";;
esac
$rm -f try.c try
: check for fd_set items
$cat <<EOM
Checking to see how well your C compiler handles fd_set and friends ...
EOM
$cat >fd_set.c <<EOCP
#$i_systime I_SYS_TIME
#$i_sysselct I_SYS_SELECT
#$d_socket HAS_SOCKET
#include <sys/types.h>
#ifdef HAS_SOCKET
#include <sys/socket.h> /* Might include <sys/bsdtypes.h> */
#endif
#ifdef I_SYS_TIME
#include <sys/time.h>
#endif
#ifdef I_SYS_SELECT
#include <sys/select.h>
#endif
main() {
fd_set fds;
#ifdef TRYBITS
if(fds.fds_bits);
#endif
#if defined(FD_SET) && defined(FD_CLR) && defined(FD_ISSET) && defined(FD_ZERO)
exit(0);
#else
exit(1);
#endif
}
EOCP
if $cc $ccflags -DTRYBITS fd_set.c -o fd_set >fd_set.out 2>&1 ; then
d_fds_bits="$define"
d_fd_set="$define"
echo "Well, your system knows about the normal fd_set typedef..." >&4
if ./fd_set; then
echo "and you have the normal fd_set macros (just as I'd expect)." >&4
d_fd_macros="$define"
else
$cat >&4 <<'EOM'
but not the normal fd_set macros! Gaaack! I'll have to cover for you.
EOM
d_fd_macros="$undef"
fi
else
$cat <<'EOM'
Hmm, your compiler has some difficulty with fd_set. Checking further...
EOM
if $cc $ccflags fd_set.c -o fd_set >fd_set.out 2>&1 ; then
d_fds_bits="$undef"
d_fd_set="$define"
echo "Well, your system has some sort of fd_set available..." >&4
if ./fd_set; then
echo "and you have the normal fd_set macros." >&4
d_fd_macros="$define"
else
$cat <<'EOM'
but not the normal fd_set macros! Gross! More work for me...
EOM
d_fd_macros="$undef"
fi
else
echo "Well, you got zip. That's OK, I can roll my own fd_set stuff." >&4
d_fd_set="$undef"
d_fds_bits="$undef"
d_fd_macros="$undef"
fi
fi
$rm -f fd_set*
: check for type of arguments to select. This will only really
: work if the system supports prototypes and provides one for
: select.
case "$d_select" in
$define)
: Make initial guess
case "$selecttype" in
''|' ')
case "$d_fd_set" in
$define) xxx='fd_set *' ;;
*) xxx='int *' ;;
esac
;;
*) xxx="$selecttype"
;;
esac
: backup guess
case "$xxx" in
'fd_set *') yyy='int *' ;;
'int *') yyy='fd_set *' ;;
esac
$cat <<EOM
Checking to see what type of arguments are expected by select().
EOM
$cat >try.c <<EOCP
#$i_systime I_SYS_TIME
#$i_sysselct I_SYS_SELECT
#$d_socket HAS_SOCKET
#include <sys/types.h>
#ifdef HAS_SOCKET
#include <sys/socket.h> /* Might include <sys/bsdtypes.h> */
#endif
#ifdef I_SYS_TIME
#include <sys/time.h>
#endif
#ifdef I_SYS_SELECT
#include <sys/select.h>
#endif
main()
{
int width;
Select_fd_set_t readfds;
Select_fd_set_t writefds;
Select_fd_set_t exceptfds;
struct timeval timeout;
select(width, readfds, writefds, exceptfds, &timeout);
exit(0);
}
EOCP
if $cc $ccflags -c -DSelect_fd_set_t="$xxx" try.c >/dev/null 2>&1 ; then
selecttype="$xxx"
echo "Your system uses $xxx for the arguments to select." >&4
elif $cc $ccflags -c -DSelect_fd_set_t="$yyy" try.c >/dev/null 2>&1 ; then
selecttype="$yyy"
echo "Your system uses $yyy for the arguments to select." >&4
else
rp='What is the type for the 2nd, 3rd, and 4th arguments to select?'
dflt="$xxx"
. ./myread
selecttype="$ans"
fi
$rm -f try.[co]
;;
*) selecttype='int *'
;;
esac
: Trace out the files included by signal.h, then look for SIGxxx names.
: Remove SIGARRAYSIZE used by HPUX.
: Remove SIGTYP void lines used by OS2.
xxx=`echo '#include <signal.h>' |
$cppstdin $cppminus $cppflags 2>/dev/null |
$grep '^[ ]*#.*include' |
$awk "{print \\$$fieldn}" | $sed 's!"!!g' | $sort | $uniq`
: Check this list of files to be sure we have parsed the cpp output ok.
: This will also avoid potentially non-existent files, such
: as ../foo/bar.h
xxxfiles=''
for xx in $xxx /dev/null ; do
$test -f "$xx" && xxxfiles="$xxxfiles $xx"
done
: If we have found no files, at least try signal.h
case "$xxxfiles" in
'') xxxfiles=`./findhdr signal.h` ;;
esac
xxx=`awk '
$1 ~ /^#define$/ && $2 ~ /^SIG[A-Z0-9]*$/ && $2 !~ /SIGARRAYSIZE/ && $3 !~ /void/ {
print substr($2, 4, 20)
}
$1 == "#" && $2 ~ /^define$/ && $3 ~ /^SIG[A-Z0-9]*$/ && $3 !~ /SIGARRAYSIZE/ && $4 !~ /void/ {
print substr($3, 4, 20)
}' $xxxfiles`
: Append some common names just in case the awk scan failed.
xxx="$xxx ABRT ALRM BUS CHLD CLD CONT DIL EMT FPE HUP ILL INT IO IOT KILL"
xxx="$xxx LOST PHONE PIPE POLL PROF PWR QUIT SEGV STKFLT STOP SYS TERM TRAP"
xxx="$xxx TSTP TTIN TTOU URG USR1 USR2 USR3 USR4 VTALRM"
xxx="$xxx WINCH WIND WINDOW XCPU XFSZ"
: generate a few handy files for later
$cat > signal.c <<'EOP'
#include <sys/types.h>
#include <signal.h>
int main() {
/* Strange style to avoid deeply-nested #if/#else/#endif */
#ifndef NSIG
# ifdef _NSIG
# define NSIG (_NSIG)
# endif
#endif
#ifndef NSIG
# ifdef SIGMAX
# define NSIG (SIGMAX+1)
# endif
#endif
#ifndef NSIG
# ifdef SIG_MAX
# define NSIG (SIG_MAX+1)
# endif
#endif
#ifndef NSIG
# ifdef MAXSIG
# define NSIG (MAXSIG+1)
# endif
#endif
#ifndef NSIG
# ifdef MAX_SIG
# define NSIG (MAX_SIG+1)
# endif
#endif
#ifndef NSIG
# ifdef SIGARRAYSIZE
# define NSIG (SIGARRAYSIZE+1) /* Not sure of the +1 */
# endif
#endif
#ifndef NSIG
# ifdef _sys_nsig
# define NSIG (_sys_nsig) /* Solaris 2.5 */
# endif
#endif
/* Default to some arbitrary number that's big enough to get most
of the common signals.
*/
#ifndef NSIG
# define NSIG 50
#endif
printf("NSIG %d\n", NSIG);
EOP
echo $xxx | $tr ' ' '\012' | $sort | $uniq | $awk '
{
printf "#ifdef SIG"; printf $1; printf "\n"
printf "printf(\""; printf $1; printf " %%d\\n\",SIG";
printf $1; printf ");\n"
printf "#endif\n"
}
END {
printf "}\n";
}
' >>signal.c
$cat >signal.awk <<'EOP'
BEGIN { ndups = 0 }
$1 ~ /^NSIG$/ { nsig = $2 }
($1 !~ /^NSIG$/) && (NF == 2) {
if ($2 > maxsig) { maxsig = $2 }
if (sig_name[$2]) {
dup_name[ndups] = $1
dup_num[ndups] = $2
ndups++
}
else {
sig_name[$2] = $1
sig_num[$2] = $2
}
}
END {
if (nsig == 0) { nsig = maxsig + 1 }
for (n = 1; n < nsig; n++) {
if (sig_name[n]) {
printf("%s %d\n", sig_name[n], sig_num[n])
}
else {
printf("NUM%d %d\n", n, n)
}
}
for (n = 0; n < ndups; n++) {
printf("%s %d\n", dup_name[n], dup_num[n])
}
}
EOP
$cat >signal_cmd <<EOS
$startsh
$test -s signal.lst && exit 0
if $cc $ccflags $ldflags signal.c -o signal >/dev/null 2>&1; then
./signal | $sort -n +1 | $uniq | $awk -f signal.awk >signal.lst
else
echo "(I can't seem be able to compile the test program -- Guessing)"
echo 'kill -l' >signal
set X \`csh -f <signal\`
$rm -f signal
shift
case \$# in
0) set HUP INT QUIT ILL TRAP ABRT EMT FPE KILL BUS SEGV SYS PIPE ALRM TERM;;
esac
echo \$@ | $tr ' ' '\012' | \
$awk '{ printf \$1; printf " %d\n", ++s; }' >signal.lst
fi
$rm -f signal.c signal signal.o
EOS
chmod a+x signal_cmd
$eunicefix signal_cmd
: generate list of signal names
echo " "
case "$sig_name" in
'') sig_num='' ;;
esac
case "$sig_num" in
'') sig_name='' ;;
esac
case "$sig_name" in
'')
echo "Generating a list of signal names and numbers..." >&4
./signal_cmd
sig_name=`$awk '{printf "%s ", $1}' signal.lst`
sig_name="ZERO $sig_name"
sig_num=`$awk '{printf "%d ", $2}' signal.lst`
sig_num="0 $sig_num"
;;
esac
echo "The following signals are available:"
echo " "
echo $sig_name | $awk \
'BEGIN { linelen = 0 }
{
for (i = 1; i <= NF; i++) {
name = "SIG" $i " "
linelen = linelen + length(name)
if (linelen > 70) {
printf "\n"
linelen = length(name)
}
printf "%s", name
}
printf "\n"
}'
$rm -f signal signal.c signal.awk signal.lst signal_cmd
: see what type is used for size_t
set size_t sizetype 'unsigned int' stdio.h sys/types.h
eval $typedef
dflt="$sizetype"
echo " "
rp="What type is used for the length parameter for string functions?"
. ./myread
sizetype="$ans"
: see what type is used for signed size_t
set ssize_t ssizetype int stdio.h sys/types.h
eval $typedef
dflt="$ssizetype"
$cat > ssize.c <<EOM
#include <stdio.h>
#include <sys/types.h>
#define Size_t $sizetype
#define SSize_t $dflt
main()
{
if (sizeof(Size_t) == sizeof(SSize_t))
printf("$dflt\n");
else if (sizeof(Size_t) == sizeof(int))
printf("int\n");
else
printf("long\n");
fflush(stdout);
exit(0);
}
EOM
echo " "
# If $libs contains -lsfio, and sfio is mis-configured, then it
# sometimes (apparently) runs and exits with a 0 status, but with no
# output!. Thus we check with test -s whether we actually got any
# output. I think it has to do with sfio's use of _exit vs. exit,
# but I don't know for sure. --Andy Dougherty 1/27/97.
if $cc $optimize $ccflags $ldflags -o ssize ssize.c $libs > /dev/null 2>&1 &&
./ssize > ssize.out 2>/dev/null && test -s ssize.out ; then
ssizetype=`$cat ssize.out`
echo "I'll be using $ssizetype for functions returning a byte count." >&4
else
$cat >&4 <<EOM
Help! I can't compile and run the ssize_t test program: please enlighten me!
(This is probably a misconfiguration in your system or libraries, and
you really ought to fix it. Still, I'll try anyway.)
I need a type that is the same size as $sizetype, but is guaranteed to
be signed. Common values are ssize_t, int and long.
EOM
rp="What signed type is the same size as $sizetype?"
. ./myread
ssizetype="$ans"
fi
$rm -f ssize ssize.[co] ssize.out
: see what type of char stdio uses.
echo " "
if $contains 'unsigned.*char.*_ptr;' `./findhdr stdio.h` >/dev/null 2>&1 ; then
echo "Your stdio uses unsigned chars." >&4
stdchar="unsigned char"
else
echo "Your stdio uses signed chars." >&4
stdchar="char"
fi
: see if time exists
echo " "
if set time val -f d_time; eval $csym; $val; then
echo 'time() found.' >&4
val="$define"
set time_t timetype long stdio.h sys/types.h
eval $typedef
dflt="$timetype"
echo " "
rp="What type is returned by time() on this system?"
. ./myread
timetype="$ans"
else
echo 'time() not found, hope that will do.' >&4
val="$undef"
timetype='int';
fi
set d_time
eval $setvar
: see what type uids are declared as in the kernel
set uid_t uidtype xxx stdio.h sys/types.h
eval $typedef
case "$uidtype" in
xxx)
xxx=`./findhdr sys/user.h`
set `grep '_ruid;' "$xxx" 2>/dev/null` unsigned short
case $1 in
unsigned) dflt="$1 $2" ;;
*) dflt="$1" ;;
esac
;;
*) dflt="$uidtype";;
esac
echo " "
rp="What is the type for user ids returned by getuid()?"
. ./myread
uidtype="$ans"
: see if dbm.h is available
: see if dbmclose exists
set dbmclose d_dbmclose
eval $inlibc
case "$d_dbmclose" in
$define)
set dbm.h i_dbm
eval $inhdr
case "$i_dbm" in
$define)
val="$undef"
set i_rpcsvcdbm
eval $setvar
;;
*) set rpcsvc/dbm.h i_rpcsvcdbm
eval $inhdr
;;
esac
;;
*) echo "We won't be including <dbm.h>"
val="$undef"
set i_dbm
eval $setvar
val="$undef"
set i_rpcsvcdbm
eval $setvar
;;
esac
: see if this is a sys/file.h system
val=''
set sys/file.h val
eval $inhdr
: do we need to include sys/file.h ?
case "$val" in
"$define")
echo " "
if $h_sysfile; then
val="$define"
echo "We'll be including <sys/file.h>." >&4
else
val="$undef"
echo "We won't be including <sys/file.h>." >&4
fi
;;
*)
h_sysfile=false
;;
esac
set i_sysfile
eval $setvar
: see if fcntl.h is there
val=''
set fcntl.h val
eval $inhdr
: see if we can include fcntl.h
case "$val" in
"$define")
echo " "
if $h_fcntl; then
val="$define"
echo "We'll be including <fcntl.h>." >&4
else
val="$undef"
if $h_sysfile; then
echo "We don't need to include <fcntl.h> if we include <sys/file.h>." >&4
else
echo "We won't be including <fcntl.h>." >&4
fi
fi
;;
*)
h_fcntl=false
val="$undef"
;;
esac
set i_fcntl
eval $setvar
: see if this is an grp system
set grp.h i_grp
eval $inhdr
: see if locale.h is available
set locale.h i_locale
eval $inhdr
: see if this is a math.h system
set math.h i_math
eval $inhdr
: see if ndbm.h is available
set ndbm.h t_ndbm
eval $inhdr
case "$t_ndbm" in
$define)
: see if dbm_open exists
set dbm_open d_dbm_open
eval $inlibc
case "$d_dbm_open" in
$undef)
t_ndbm="$undef"
echo "We won't be including <ndbm.h>"
;;
esac
;;
esac
val="$t_ndbm"
set i_ndbm
eval $setvar
: see if net/errno.h is available
val=''
set net/errno.h val
eval $inhdr
: Unfortunately, it causes problems on some systems. Arrgh.
case "$val" in
$define)
cat > try.c <<'EOM'
#include <stdio.h>
#include <errno.h>
#include <net/errno.h>
int func()
{
return ENOTSOCK;
}
EOM
if $cc $ccflags -c try.c >/dev/null 2>&1; then
echo "We'll be including <net/errno.h>." >&4
else
echo "We won't be including <net/errno.h>." >&4
val="$undef"
fi
$rm -f try.* try
;;
esac
set i_neterrno
eval $setvar
: get C preprocessor symbols handy
echo " "
$echo $n "Hmm... $c"
echo $al | $tr ' ' '\012' >Cppsym.know
$cat <<EOSS >Cppsym
$startsh
case "\$1" in
-l) list=true
shift
;;
esac
unknown=''
case "\$list\$#" in
1|2)
for sym do
if $contains "^\$1$" Cppsym.true >/dev/null 2>&1; then
exit 0
elif $contains "^\$1$" Cppsym.know >/dev/null 2>&1; then
:
else
unknown="\$unknown \$sym"
fi
done
set X \$unknown
shift
;;
esac
case \$# in
0) exit 1;;
esac
echo \$* | $tr ' ' '\012' | $sed -e 's/\(.*\)/\\
#ifdef \1\\
exit 0; _ _ _ _\1\\ \1\\
#endif\\
/' >Cppsym\$\$
echo "exit 1; _ _ _" >>Cppsym\$\$
$cppstdin $cppminus <Cppsym\$\$ | $grep '^exit [01]; _ _' >Cppsym2\$\$
case "\$list" in
true) $awk 'NF > 5 {print substr(\$6,2,100)}' <Cppsym2\$\$ ;;
*)
sh Cppsym2\$\$
status=\$?
;;
esac
$rm -f Cppsym\$\$ Cppsym2\$\$
exit \$status
EOSS
chmod +x Cppsym
$eunicefix Cppsym
./Cppsym -l $al | $sort | $grep -v '^$' >Cppsym.true
: now check the C compiler for additional symbols
$cat >ccsym <<EOS
$startsh
$cat >tmp.c <<EOF
extern int foo;
EOF
for i in \`$cc -v -c tmp.c 2>&1\`
do
case "\$i" in
-D*) echo "\$i" | $sed 's/^-D//';;
-A*) $test "$gccversion" && echo "\$i" | $sed 's/^-A\(.*\)(\(.*\))/\1=\2/';;
esac
done
$rm -f try.c
EOS
chmod +x ccsym
$eunicefix ccsym
./ccsym | $sort | $uniq >ccsym.raw
$awk '/\=/ { print $0; next }
{ print $0"=1" }' ccsym.raw >ccsym.list
$awk '{ print $0"=1" }' Cppsym.true >ccsym.true
$comm -13 ccsym.true ccsym.list >ccsym.own
$comm -12 ccsym.true ccsym.list >ccsym.com
$comm -23 ccsym.true ccsym.list >ccsym.cpp
also=''
symbols='symbols'
if $test -z ccsym.raw; then
echo "Your C compiler doesn't seem to define any symbol!" >&4
echo " "
echo "However, your C preprocessor defines the following ones:"
$cat Cppsym.true
else
if $test -s ccsym.com; then
echo "Your C compiler and pre-processor define these symbols:"
$sed -e 's/\(.*\)=.*/\1/' ccsym.com
also='also '
symbols='ones'
$test "$silent" || sleep 1
fi
if $test -s ccsym.cpp; then
$test "$also" && echo " "
echo "Your C pre-processor ${also}defines the following $symbols:"
$sed -e 's/\(.*\)=.*/\1/' ccsym.cpp
also='further '
$test "$silent" || sleep 1
fi
if $test -s ccsym.own; then
$test "$also" && echo " "
echo "Your C compiler ${also}defines the following cpp variables:"
$sed -e 's/\(.*\)=1/\1/' ccsym.own
$sed -e 's/\(.*\)=.*/\1/' ccsym.own | $uniq >>Cppsym.true
$test "$silent" || sleep 1
fi
fi
$rm -f ccsym*
: see if this is a termio system
val="$undef"
val2="$undef"
val3="$undef"
if $test `./findhdr termios.h`; then
set tcsetattr i_termios
eval $inlibc
val3="$i_termios"
fi
echo " "
case "$val3" in
"$define") echo "You have POSIX termios.h... good!" >&4;;
*) if ./Cppsym pyr; then
case "`/bin/universe`" in
ucb) if $test `./findhdr sgtty.h`; then
val2="$define"
echo "<sgtty.h> found." >&4
else
echo "System is pyramid with BSD universe."
echo "<sgtty.h> not found--you could have problems." >&4
fi;;
*) if $test `./findhdr termio.h`; then
val="$define"
echo "<termio.h> found." >&4
else
echo "System is pyramid with USG universe."
echo "<termio.h> not found--you could have problems." >&4
fi;;
esac
elif ./usg; then
if $test `./findhdr termio.h`; then
echo "<termio.h> found." >&4
val="$define"
elif $test `./findhdr sgtty.h`; then
echo "<sgtty.h> found." >&4
val2="$define"
else
echo "Neither <termio.h> nor <sgtty.h> found--you could have problems." >&4
fi
else
if $test `./findhdr sgtty.h`; then
echo "<sgtty.h> found." >&4
val2="$define"
elif $test `./findhdr termio.h`; then
echo "<termio.h> found." >&4
val="$define"
else
echo "Neither <sgtty.h> nor <termio.h> found--you could have problems." >&4
fi
fi;;
esac
set i_termio; eval $setvar
val=$val2; set i_sgtty; eval $setvar
val=$val3; set i_termios; eval $setvar
: see if stdarg is available
echo " "
if $test `./findhdr stdarg.h`; then
echo "<stdarg.h> found." >&4
valstd="$define"
else
echo "<stdarg.h> NOT found." >&4
valstd="$undef"
fi
: see if varags is available
echo " "
if $test `./findhdr varargs.h`; then
echo "<varargs.h> found." >&4
else
echo "<varargs.h> NOT found, but that's ok (I hope)." >&4
fi
: set up the varargs testing programs
$cat > varargs.c <<EOP
#ifdef I_STDARG
#include <stdarg.h>
#endif
#ifdef I_VARARGS
#include <varargs.h>
#endif
#ifdef I_STDARG
int f(char *p, ...)
#else
int f(va_alist)
va_dcl
#endif
{
va_list ap;
#ifndef I_STDARG
char *p;
#endif
#ifdef I_STDARG
va_start(ap,p);
#else
va_start(ap);
p = va_arg(ap, char *);
#endif
va_end(ap);
}
EOP
$cat > varargs <<EOP
$startsh
if $cc -c $ccflags -D\$1 varargs.c >/dev/null 2>&1; then
echo "true"
else
echo "false"
fi
$rm -f varargs.o
EOP
chmod +x varargs
: now check which varargs header should be included
echo " "
i_varhdr=''
case "$valstd" in
"$define")
if `./varargs I_STDARG`; then
val='stdarg.h'
elif `./varargs I_VARARGS`; then
val='varargs.h'
fi
;;
*)
if `./varargs I_VARARGS`; then
val='varargs.h'
fi
;;
esac
case "$val" in
'')
echo "I could not find the definition for va_dcl... You have problems..." >&4
val="$undef"; set i_stdarg; eval $setvar
val="$undef"; set i_varargs; eval $setvar
;;
*)
set i_varhdr
eval $setvar
case "$i_varhdr" in
stdarg.h)
val="$define"; set i_stdarg; eval $setvar
val="$undef"; set i_varargs; eval $setvar
;;
varargs.h)
val="$undef"; set i_stdarg; eval $setvar
val="$define"; set i_varargs; eval $setvar
;;
esac
echo "We'll include <$i_varhdr> to get va_dcl definition." >&4;;
esac
$rm -f varargs*
: see if stddef is available
set stddef.h i_stddef
eval $inhdr
: see if ioctl defs are in sgtty, termio, sys/filio or sys/ioctl
set sys/filio.h i_sysfilio
eval $inhdr
echo " "
if $test `./findhdr sys/ioctl.h`; then
val="$define"
echo '<sys/ioctl.h> found.' >&4
else
val="$undef"
if $test $i_sysfilio = "$define"; then
echo '<sys/ioctl.h> NOT found.' >&4
else
$test $i_sgtty = "$define" && xxx="sgtty.h"
$test $i_termio = "$define" && xxx="termio.h"
$test $i_termios = "$define" && xxx="termios.h"
echo "No <sys/ioctl.h> found, assuming ioctl args are defined in <$xxx>." >&4
fi
fi
set i_sysioctl
eval $setvar
: see if this is a sys/param system
set sys/param.h i_sysparam
eval $inhdr
: see if sys/resource.h has to be included
set sys/resource.h i_sysresrc
eval $inhdr
: see if sys/stat.h is available
set sys/stat.h i_sysstat
eval $inhdr
: see if sys/types.h has to be included
set sys/types.h i_systypes
eval $inhdr
: see if this is a sys/un.h system
set sys/un.h i_sysun
eval $inhdr
: see if this is a syswait system
set sys/wait.h i_syswait
eval $inhdr
: see if this is an utime system
set utime.h i_utime
eval $inhdr
: see if this is a values.h system
set values.h i_values
eval $inhdr
: see if this is a vfork system
case "$d_vfork" in
"$define")
set vfork.h i_vfork
eval $inhdr
;;
*)
i_vfork="$undef"
;;
esac
: see if gdbm.h is available
set gdbm.h t_gdbm
eval $inhdr
case "$t_gdbm" in
$define)
: see if gdbm_open exists
set gdbm_open d_gdbm_open
eval $inlibc
case "$d_gdbm_open" in
$undef)
t_gdbm="$undef"
echo "We won't be including <gdbm.h>"
;;
esac
;;
esac
val="$t_gdbm"
set i_gdbm
eval $setvar
echo " "
echo "Looking for extensions..." >&4
cd ../ext
: If we are using the old config.sh, known_extensions may contain
: old or inaccurate or duplicate values.
known_extensions=''
: We do not use find because it might not be available.
: We do not just use MANIFEST because the user may have dropped
: some additional extensions into the source tree and expect them
: to be built.
for xxx in * ; do
case "$xxx" in
DynaLoader) ;;
*) if $test -f $xxx/$xxx.xs; then
known_extensions="$known_extensions $xxx"
else
if $test -d $xxx; then
cd $xxx
for yyy in * ; do
if $test -f $yyy/$yyy.xs; then
known_extensions="$known_extensions $xxx/$yyy"
fi
done
cd ..
fi
fi ;;
esac
done
set X $known_extensions
shift
known_extensions="$*"
cd ../UU
: Now see which are supported on this system.
avail_ext=''
for xxx in $known_extensions ; do
case "$xxx" in
DB_File) case "$i_db" in
$define) avail_ext="$avail_ext $xxx" ;;
esac
;;
GDBM_File) case "$i_gdbm" in
$define) avail_ext="$avail_ext $xxx" ;;
esac
;;
NDBM_File) case "$i_ndbm" in
$define) avail_ext="$avail_ext $xxx" ;;
esac
;;
ODBM_File) case "${i_dbm}${i_rpcsvcdbm}" in
*"${define}"*) avail_ext="$avail_ext $xxx" ;;
esac
;;
POSIX) case "$useposix" in
true|define|y) avail_ext="$avail_ext $xxx" ;;
esac
;;
Opcode) case "$useopcode" in
true|define|y) avail_ext="$avail_ext $xxx" ;;
esac
;;
Socket) case "$d_socket" in
$define) avail_ext="$avail_ext $xxx" ;;
esac
;;
*) avail_ext="$avail_ext $xxx"
;;
esac
done
set X $avail_ext
shift
avail_ext="$*"
case $usedl in
$define)
$cat <<EOM
A number of extensions are supplied with $package. You may choose to
compile these extensions for dynamic loading (the default), compile
them into the $package executable (static loading), or not include
them at all. Answer "none" to include no extensions.
EOM
case "$dynamic_ext" in
'') dflt="$avail_ext" ;;
*) dflt="$dynamic_ext" ;;
esac
case "$dflt" in
'') dflt=none;;
esac
rp="What extensions do you wish to load dynamically?"
. ./myread
case "$ans" in
none) dynamic_ext=' ' ;;
*) dynamic_ext="$ans" ;;
esac
case "$static_ext" in
'')
: Exclude those already listed in dynamic linking
dflt=''
for xxx in $avail_ext; do
case " $dynamic_ext " in
*" $xxx "*) ;;
*) dflt="$dflt $xxx" ;;
esac
done
set X $dflt
shift
dflt="$*"
;;
*) dflt="$static_ext"
;;
esac
case "$dflt" in
'') dflt=none;;
esac
rp="What extensions do you wish to load statically?"
. ./myread
case "$ans" in
none) static_ext=' ' ;;
*) static_ext="$ans" ;;
esac
;;
*)
$cat <<EOM
A number of extensions are supplied with $package. Answer "none"
to include no extensions.
EOM
case "$static_ext" in
'') dflt="$avail_ext" ;;
*) dflt="$static_ext" ;;
esac
case "$dflt" in
'') dflt=none;;
esac
rp="What extensions do you wish to include?"
. ./myread
case "$ans" in
none) static_ext=' ' ;;
*) static_ext="$ans" ;;
esac
;;
esac
set X $dynamic_ext $static_ext
shift
extensions="$*"
: Remove build directory name from cppstdin so it can be used from
: either the present location or the final installed location.
echo " "
: Get out of the UU directory to get correct path name.
cd ..
case "$cppstdin" in
`pwd`/cppstdin)
echo "Stripping down cppstdin path name"
cppstdin=cppstdin
;;
esac
cd UU
: end of configuration questions
echo " "
echo "End of configuration questions."
echo " "
: back to where it started
if test -d ../UU; then
cd ..
fi
: configuration may be patched via a 'config.over' file
if $test -f config.over; then
echo " "
dflt=y
rp='I see a config.over file. Do you wish to load it?'
. UU/myread
case "$ans" in
n*) echo "OK, I'll ignore it.";;
*) . ./config.over
echo "Configuration override changes have been loaded."
;;
esac
fi
: in case they want portability, strip down executable paths
case "$d_portable" in
"$define")
echo " "
echo "Stripping down executable paths..." >&4
for file in $loclist $trylist; do
eval $file="\$file"
done
;;
esac
: create config.sh file
echo " "
echo "Creating config.sh..." >&4
$spitshell <<EOT >config.sh
$startsh
#
# This file was produced by running the Configure script. It holds all
# the definitions figured out by Configure. Should you modify any of
# these values, do not forget to propagate your changes by running
# "Configure -S"; or, equivalently, you may run each .SH file yourself.
#
# Configuration time: $cf_time
# Configured by: $cf_by
# Target system: $myuname
Author='$Author'
Date='$Date'
Header='$Header'
Id='$Id'
Locker='$Locker'
Log='$Log'
Mcc='$Mcc'
RCSfile='$RCSfile'
Revision='$Revision'
Source='$Source'
State='$State'
afs='$afs'
alignbytes='$alignbytes'
aphostname='$aphostname'
ar='$ar'
archlib='$archlib'
archlibexp='$archlibexp'
archname='$archname'
archobjs='$archobjs'
awk='$awk'
baserev='$baserev'
bash='$bash'
bin='$bin'
bincompat3='$bincompat3'
binexp='$binexp'
bison='$bison'
byacc='$byacc'
byteorder='$byteorder'
c='$c'
castflags='$castflags'
cat='$cat'
cc='$cc'
cccdlflags='$cccdlflags'
ccdlflags='$ccdlflags'
ccflags='$ccflags'
cf_by='$cf_by'
cf_email='$cf_email'
cf_time='$cf_time'
chgrp='$chgrp'
chmod='$chmod'
chown='$chown'
clocktype='$clocktype'
comm='$comm'
compress='$compress'
contains='$contains'
cp='$cp'
cpio='$cpio'
cpp='$cpp'
cpp_stuff='$cpp_stuff'
cppflags='$cppflags'
cpplast='$cpplast'
cppminus='$cppminus'
cpprun='$cpprun'
cppstdin='$cppstdin'
cryptlib='$cryptlib'
csh='$csh'
d_Gconvert='$d_Gconvert'
d_access='$d_access'
d_alarm='$d_alarm'
d_archlib='$d_archlib'
d_attribut='$d_attribut'
d_bcmp='$d_bcmp'
d_bcopy='$d_bcopy'
d_bincompat3='$d_bincompat3'
d_bsd='$d_bsd'
d_bsdgetpgrp='$d_bsdgetpgrp'
d_bsdpgrp='$d_bsdpgrp'
d_bsdsetpgrp='$d_bsdsetpgrp'
d_bzero='$d_bzero'
d_casti32='$d_casti32'
d_castneg='$d_castneg'
d_charvspr='$d_charvspr'
d_chown='$d_chown'
d_chroot='$d_chroot'
d_chsize='$d_chsize'
d_closedir='$d_closedir'
d_const='$d_const'
d_crypt='$d_crypt'
d_csh='$d_csh'
d_cuserid='$d_cuserid'
d_dbl_dig='$d_dbl_dig'
d_difftime='$d_difftime'
d_dirnamlen='$d_dirnamlen'
d_dlerror='$d_dlerror'
d_dlopen='$d_dlopen'
d_dlsymun='$d_dlsymun'
d_dosuid='$d_dosuid'
d_dup2='$d_dup2'
d_eofnblk='$d_eofnblk'
d_eunice='$d_eunice'
d_fchmod='$d_fchmod'
d_fchown='$d_fchown'
d_fcntl='$d_fcntl'
d_fd_macros='$d_fd_macros'
d_fd_set='$d_fd_set'
d_fds_bits='$d_fds_bits'
d_fgetpos='$d_fgetpos'
d_flexfnam='$d_flexfnam'
d_flock='$d_flock'
d_fork='$d_fork'
d_fpathconf='$d_fpathconf'
d_fsetpos='$d_fsetpos'
d_ftime='$d_ftime'
d_getgrps='$d_getgrps'
d_setgrps='$d_setgrps'
d_gethent='$d_gethent'
d_gethname='$d_gethname'
d_getlogin='$d_getlogin'
d_getpgid='$d_getpgid'
d_getpgrp2='$d_getpgrp2'
d_getpgrp='$d_getpgrp'
d_getppid='$d_getppid'
d_getprior='$d_getprior'
d_gettimeod='$d_gettimeod'
d_gnulibc='$d_gnulibc'
d_htonl='$d_htonl'
d_index='$d_index'
d_inetaton='$d_inetaton'
d_isascii='$d_isascii'
d_killpg='$d_killpg'
d_link='$d_link'
d_locconv='$d_locconv'
d_lockf='$d_lockf'
d_lstat='$d_lstat'
d_mblen='$d_mblen'
d_mbstowcs='$d_mbstowcs'
d_mbtowc='$d_mbtowc'
d_memcmp='$d_memcmp'
d_memcpy='$d_memcpy'
d_memmove='$d_memmove'
d_memset='$d_memset'
d_mkdir='$d_mkdir'
d_mkfifo='$d_mkfifo'
d_mktime='$d_mktime'
d_msg='$d_msg'
d_msgctl='$d_msgctl'
d_msgget='$d_msgget'
d_msgrcv='$d_msgrcv'
d_msgsnd='$d_msgsnd'
d_mymalloc='$d_mymalloc'
d_nice='$d_nice'
d_oldarchlib='$d_oldarchlib'
d_oldsock='$d_oldsock'
d_open3='$d_open3'
d_pathconf='$d_pathconf'
d_pause='$d_pause'
d_phostname='$d_phostname'
d_pipe='$d_pipe'
d_poll='$d_poll'
d_portable='$d_portable'
d_pwage='$d_pwage'
d_pwchange='$d_pwchange'
d_pwclass='$d_pwclass'
d_pwcomment='$d_pwcomment'
d_pwexpire='$d_pwexpire'
d_pwquota='$d_pwquota'
d_readdir='$d_readdir'
d_readlink='$d_readlink'
d_rename='$d_rename'
d_rewinddir='$d_rewinddir'
d_rmdir='$d_rmdir'
d_safebcpy='$d_safebcpy'
d_safemcpy='$d_safemcpy'
d_sanemcmp='$d_sanemcmp'
d_seekdir='$d_seekdir'
d_select='$d_select'
d_sem='$d_sem'
d_semctl='$d_semctl'
d_semget='$d_semget'
d_semop='$d_semop'
d_setegid='$d_setegid'
d_seteuid='$d_seteuid'
d_setlinebuf='$d_setlinebuf'
d_setlocale='$d_setlocale'
d_setpgid='$d_setpgid'
d_setpgrp2='$d_setpgrp2'
d_setpgrp='$d_setpgrp'
d_setprior='$d_setprior'
d_setregid='$d_setregid'
d_setresgid='$d_setresgid'
d_setresuid='$d_setresuid'
d_setreuid='$d_setreuid'
d_setrgid='$d_setrgid'
d_setruid='$d_setruid'
d_setsid='$d_setsid'
d_sfio='$d_sfio'
d_shm='$d_shm'
d_shmat='$d_shmat'
d_shmatprototype='$d_shmatprototype'
d_shmctl='$d_shmctl'
d_shmdt='$d_shmdt'
d_shmget='$d_shmget'
d_sigaction='$d_sigaction'
d_sigsetjmp='$d_sigsetjmp'
d_socket='$d_socket'
d_sockpair='$d_sockpair'
d_statblks='$d_statblks'
d_stdio_cnt_lval='$d_stdio_cnt_lval'
d_stdio_ptr_lval='$d_stdio_ptr_lval'
d_stdiobase='$d_stdiobase'
d_stdstdio='$d_stdstdio'
d_strchr='$d_strchr'
d_strcoll='$d_strcoll'
d_strctcpy='$d_strctcpy'
d_strerrm='$d_strerrm'
d_strerror='$d_strerror'
d_strtod='$d_strtod'
d_strtol='$d_strtol'
d_strtoul='$d_strtoul'
d_strxfrm='$d_strxfrm'
d_suidsafe='$d_suidsafe'
d_symlink='$d_symlink'
d_syscall='$d_syscall'
d_sysconf='$d_sysconf'
d_sysernlst='$d_sysernlst'
d_syserrlst='$d_syserrlst'
d_system='$d_system'
d_tcgetpgrp='$d_tcgetpgrp'
d_tcsetpgrp='$d_tcsetpgrp'
d_telldir='$d_telldir'
d_time='$d_time'
d_times='$d_times'
d_truncate='$d_truncate'
d_tzname='$d_tzname'
d_umask='$d_umask'
d_uname='$d_uname'
d_vfork='$d_vfork'
d_void_closedir='$d_void_closedir'
d_voidsig='$d_voidsig'
d_voidtty='$d_voidtty'
d_volatile='$d_volatile'
d_vprintf='$d_vprintf'
d_wait4='$d_wait4'
d_waitpid='$d_waitpid'
d_wcstombs='$d_wcstombs'
d_wctomb='$d_wctomb'
d_xenix='$d_xenix'
date='$date'
db_hashtype='$db_hashtype'
db_prefixtype='$db_prefixtype'
defvoidused='$defvoidused'
direntrytype='$direntrytype'
dlext='$dlext'
dlsrc='$dlsrc'
dynamic_ext='$dynamic_ext'
eagain='$eagain'
echo='$echo'
egrep='$egrep'
emacs='$emacs'
eunicefix='$eunicefix'
exe_ext='$exe_ext'
expr='$expr'
extensions='$extensions'
find='$find'
firstmakefile='$firstmakefile'
flex='$flex'
fpostype='$fpostype'
freetype='$freetype'
full_csh='$full_csh'
full_sed='$full_sed'
gcc='$gcc'
gccversion='$gccversion'
gidtype='$gidtype'
glibpth='$glibpth'
grep='$grep'
groupcat='$groupcat'
groupstype='$groupstype'
gzip='$gzip'
h_fcntl='$h_fcntl'
h_sysfile='$h_sysfile'
hint='$hint'
hostcat='$hostcat'
huge='$huge'
i_bsdioctl='$i_bsdioctl'
i_db='$i_db'
i_dbm='$i_dbm'
i_dirent='$i_dirent'
i_dld='$i_dld'
i_dlfcn='$i_dlfcn'
i_fcntl='$i_fcntl'
i_float='$i_float'
i_gdbm='$i_gdbm'
i_grp='$i_grp'
i_limits='$i_limits'
i_locale='$i_locale'
i_malloc='$i_malloc'
i_math='$i_math'
i_memory='$i_memory'
i_ndbm='$i_ndbm'
i_neterrno='$i_neterrno'
i_niin='$i_niin'
i_pwd='$i_pwd'
i_rpcsvcdbm='$i_rpcsvcdbm'
i_sfio='$i_sfio'
i_sgtty='$i_sgtty'
i_stdarg='$i_stdarg'
i_stddef='$i_stddef'
i_stdlib='$i_stdlib'
i_string='$i_string'
i_sysdir='$i_sysdir'
i_sysfile='$i_sysfile'
i_sysfilio='$i_sysfilio'
i_sysin='$i_sysin'
i_sysioctl='$i_sysioctl'
i_sysndir='$i_sysndir'
i_sysparam='$i_sysparam'
i_sysresrc='$i_sysresrc'
i_sysselct='$i_sysselct'
i_syssockio='$i_syssockio'
i_sysstat='$i_sysstat'
i_systime='$i_systime'
i_systimek='$i_systimek'
i_systimes='$i_systimes'
i_systypes='$i_systypes'
i_sysun='$i_sysun'
i_syswait='$i_syswait'
i_termio='$i_termio'
i_termios='$i_termios'
i_time='$i_time'
i_unistd='$i_unistd'
i_utime='$i_utime'
i_values='$i_values'
i_varargs='$i_varargs'
i_varhdr='$i_varhdr'
i_vfork='$i_vfork'
incpath='$incpath'
inews='$inews'
installarchlib='$installarchlib'
installbin='$installbin'
installman1dir='$installman1dir'
installman3dir='$installman3dir'
installprivlib='$installprivlib'
installscript='$installscript'
installsitearch='$installsitearch'
installsitelib='$installsitelib'
intsize='$intsize'
known_extensions='$known_extensions'
ksh='$ksh'
large='$large'
ld='$ld'
lddlflags='$lddlflags'
ldflags='$ldflags'
less='$less'
lib_ext='$lib_ext'
libc='$libc'
libperl='$libperl'
libpth='$libpth'
libs='$libs'
libswanted='$libswanted'
line='$line'
lint='$lint'
lkflags='$lkflags'
ln='$ln'
lns='$lns'
locincpth='$locincpth'
loclibpth='$loclibpth'
longsize='$longsize'
lp='$lp'
lpr='$lpr'
ls='$ls'
lseektype='$lseektype'
mail='$mail'
mailx='$mailx'
make='$make'
make_set_make='$make_set_make'
mallocobj='$mallocobj'
mallocsrc='$mallocsrc'
malloctype='$malloctype'
man1dir='$man1dir'
man1direxp='$man1direxp'
man1ext='$man1ext'
man3dir='$man3dir'
man3direxp='$man3direxp'
man3ext='$man3ext'
medium='$medium'
mips='$mips'
mips_type='$mips_type'
mkdir='$mkdir'
models='$models'
modetype='$modetype'
more='$more'
mv='$mv'
myarchname='$myarchname'
mydomain='$mydomain'
myhostname='$myhostname'
myuname='$myuname'
n='$n'
nm_opt='$nm_opt'
nm_so_opt='$nm_so_opt'
nroff='$nroff'
o_nonblock='$o_nonblock'
obj_ext='$obj_ext'
oldarchlib='$oldarchlib'
oldarchlibexp='$oldarchlibexp'
optimize='$optimize'
orderlib='$orderlib'
osname='$osname'
osvers='$osvers'
package='$package'
pager='$pager'
passcat='$passcat'
patchlevel='$patchlevel'
path_sep='$path_sep'
perl='$perl'
perladmin='$perladmin'
perlpath='$perlpath'
pg='$pg'
phostname='$phostname'
plibpth='$plibpth'
pmake='$pmake'
pr='$pr'
prefix='$prefix'
prefixexp='$prefixexp'
privlib='$privlib'
privlibexp='$privlibexp'
prototype='$prototype'
randbits='$randbits'
ranlib='$ranlib'
rd_nodata='$rd_nodata'
rm='$rm'
rmail='$rmail'
runnm='$runnm'
scriptdir='$scriptdir'
scriptdirexp='$scriptdirexp'
sed='$sed'
selecttype='$selecttype'
sendmail='$sendmail'
sh='$sh'
shar='$shar'
sharpbang='$sharpbang'
shmattype='$shmattype'
shortsize='$shortsize'
shrpenv='$shrpenv'
shsharp='$shsharp'
sig_name='$sig_name'
sig_num='$sig_num'
signal_t='$signal_t'
sitearch='$sitearch'
sitearchexp='$sitearchexp'
sitelib='$sitelib'
sitelibexp='$sitelibexp'
sizetype='$sizetype'
sleep='$sleep'
smail='$smail'
small='$small'
so='$so'
sockethdr='$sockethdr'
socketlib='$socketlib'
sort='$sort'
spackage='$spackage'
spitshell='$spitshell'
split='$split'
ssizetype='$ssizetype'
startperl='$startperl'
startsh='$startsh'
static_ext='$static_ext'
stdchar='$stdchar'
stdio_base='$stdio_base'
stdio_bufsiz='$stdio_bufsiz'
stdio_cnt='$stdio_cnt'
stdio_ptr='$stdio_ptr'
strings='$strings'
submit='$submit'
subversion='$subversion'
sysman='$sysman'
tail='$tail'
tar='$tar'
tbl='$tbl'
test='$test'
timeincl='$timeincl'
timetype='$timetype'
touch='$touch'
tr='$tr'
troff='$troff'
uidtype='$uidtype'
uname='$uname'
uniq='$uniq'
usedl='$usedl'
usemymalloc='$usemymalloc'
usenm='$usenm'
useopcode='$useopcode'
useperlio='$useperlio'
useposix='$useposix'
usesfio='$usesfio'
useshrplib='$useshrplib'
usevfork='$usevfork'
usrinc='$usrinc'
uuname='$uuname'
vi='$vi'
voidflags='$voidflags'
xlibpth='$xlibpth'
zcat='$zcat'
zip='$zip'
EOT
: add special variables
$test -f patchlevel.h && \
awk '/^#define/ {printf "%s=%s\n",$2,$3}' patchlevel.h >>config.sh
echo "CONFIG=true" >>config.sh
: propagate old symbols
if $test -f UU/config.sh; then
<UU/config.sh sort | uniq >UU/oldconfig.sh
sed -n 's/^\([a-zA-Z_0-9]*\)=.*/\1/p' config.sh config.sh UU/oldconfig.sh |\
sort | uniq -u >UU/oldsyms
set X `cat UU/oldsyms`
shift
case $# in
0) ;;
*)
cat <<EOM
Hmm...You had some extra variables I don't know about...I'll try to keep 'em...
EOM
echo "# Variables propagated from previous config.sh file." >>config.sh
for sym in `cat UU/oldsyms`; do
echo " Propagating $hint variable "'$'"$sym..."
eval 'tmp="$'"${sym}"'"'
echo "$tmp" | \
sed -e "s/'/'\"'\"'/g" -e "s/^/$sym='/" -e "s/$/'/" >>config.sh
done
;;
esac
fi
: Finish up by extracting the .SH files
case "$alldone" in
exit)
$rm -rf UU
echo "Done."
exit 0
;;
cont)
;;
'')
dflt=''
nostick=true
$cat <<EOM
If you'd like to make any changes to the config.sh file before I begin
to configure things, do it as a shell escape now (e.g. !vi config.sh).
EOM
rp="Press return or use a shell escape to edit config.sh:"
. UU/myread
nostick=''
case "$ans" in
'') ;;
*) : in case they cannot read
sh 1>&4 -c "$ans";;
esac
;;
esac
: if this fails, just run all the .SH files by hand
. ./config.sh
echo " "
exec 1>&4
. ./UU/extract
if $contains '^depend:' [Mm]akefile >/dev/null 2>&1; then
dflt=y
case "$silent" in
true) ;;
*)
$cat <<EOM
Now you need to generate make dependencies by running "make depend".
You might prefer to run it in background: "make depend > makedepend.out &"
It can take a while, so you might not want to run it right now.
EOM
;;
esac
rp="Run make depend now?"
. UU/myread
case "$ans" in
y*)
make depend && echo "Now you must run a make."
;;
*)
echo "You must run 'make depend' then 'make'."
;;
esac
elif test -f [Mm]akefile; then
echo " "
echo "Now you must run a make."
else
echo "Done."
fi
$rm -f kit*isdone ark*isdone
$rm -rf UU
: End of Configure
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