diff options
Diffstat (limited to 'gnu/usr.bin/perl/Configure')
| -rw-r--r-- | gnu/usr.bin/perl/Configure | 9493 |
1 files changed, 9493 insertions, 0 deletions
diff --git a/gnu/usr.bin/perl/Configure b/gnu/usr.bin/perl/Configure new file mode 100644 index 00000000000..34c39ce30c6 --- /dev/null +++ b/gnu/usr.bin/perl/Configure @@ -0,0 +1,9493 @@ +#! /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 Wed Feb 21 14:26:18 EST 1996 [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=$0 + ;; +esac + +: Proper PATH separator +p_=: +: On OS/2 this directory should exist if this is not floppy only system :-] +if test -d c:/.; then + p_=\; + PATH=`cmd /c "echo %PATH%" | tr '\\\\' / ` + OS2_SHELL=`cmd /c "echo %OS2_SHELL%" | tr '\\\\' / | tr '[A-Z]' '[a-z]'` +fi + +: Proper PATH setting +paths='/bin /usr/bin /usr/local/bin /usr/ucb /usr/local /usr/lbin' +paths="$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 + +: Sanity checks +if test ! -t 0; then + echo "Say 'sh $me', not 'sh <$me'" + exit 1 +fi + +: On HP-UX, large Configure scripts may exercise a bug in /bin/sh +if test -f /hp-ux -a -f /bin/ksh; then + if (PATH=.; alias -x) >/dev/null 2>&1; then + : already under /bin/ksh + else + cat <<'EOM' +(Feeding myself to ksh to avoid nasty sh bug in "here document" expansion.) +EOM + unset ENV + exec /bin/ksh $0 "$@" + fi +else + : Warn them if they use ksh on other systems + (PATH=.; alias -x) >/dev/null 2>&1 && \ + cat <<EOM +(I see you are using the Korn shell. Some ksh's blow up on $me, +especially on exotic machines. If yours does, try the Bourne shell instead.) +EOM +fi + +: Configure runs within the UU subdirectory +test -d UU || mkdir UU +cd UU && rm -f ./* + +dynamic_ext='' +extensions='' +known_extensions='' +static_ext='' +useposix='' +usesafe='' +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='' +inews='' +ksh='' +less='' +line='' +lint='' +ln='' +lp='' +lpr='' +ls='' +mail='' +mailx='' +make='' +mkdir='' +more='' +mv='' +nroff='' +perl='' +pg='' +pmake='' +pr='' +rm='' +rmail='' +sed='' +sendmail='' +sh='' +shar='' +sleep='' +smail='' +sort='' +submit='' +tail='' +tar='' +tbl='' +test='' +touch='' +tr='' +troff='' +uname='' +uniq='' +uuname='' +vi='' +zcat='' +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='' +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_Gconvert='' +d_getgrps='' +d_gethent='' +aphostname='' +d_gethname='' +d_phostname='' +d_uname='' +d_getlogin='' +d_getpgrp2='' +d_getpgrp='' +d_getppid='' +d_getprior='' +d_htonl='' +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_select='' +d_sem='' +d_semctl='' +d_semget='' +d_semop='' +d_setegid='' +d_seteuid='' +d_setlinebuf='' +d_setlocale='' +d_setpgid='' +d_setpgrp2='' +d_bsdpgrp='' +d_setpgrp='' +d_setprior='' +d_setregid='' +d_setresgid='' +d_setresuid='' +d_setreuid='' +d_setrgid='' +d_setruid='' +d_setsid='' +d_shm='' +d_shmat='' +d_shmatprototype='' +shmattype='' +d_shmctl='' +d_shmdt='' +d_shmget='' +d_sigsetjmp='' +d_sigaction='' +d_sigintrp='' +d_sigvec='' +d_sigvectr='' +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_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='' +d_shrplib='' +dlsrc='' +ld='' +lddlflags='' +shrpdir='' +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_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_sysselct='' +i_sysstat='' +i_systimes='' +i_systypes='' +i_sysun='' +i_sgtty='' +i_termio='' +i_termios='' +i_systime='' +i_systimek='' +i_time='' +timeincl='' +i_unistd='' +i_utime='' +i_stdarg='' +i_varargs='' +i_varhdr='' +i_vfork='' +intsize='' +libc='' +glibpth='' +libpth='' +loclibpth='' +plibpth='' +xlibpth='' +libs='' +lns='' +lseektype='' +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='' +perladmin='' +perlpath='' +prefix='' +prefixexp='' +installprivlib='' +privlib='' +privlibexp='' +prototype='' +randbits='' +installscript='' +scriptdir='' +scriptdirexp='' +selecttype='' +sig_name='' +sig_num='' +installsitearch='' +sitearch='' +sitearchexp='' +installsitelib='' +sitelib='' +sitelibexp='' +sizetype='' +so='' +sharpbang='' +shsharp='' +spitshell='' +ssizetype='' +startperl='' +startsh='' +stdchar='' +subversion='' +sysman='' +uidtype='' +nm_opt='' +nm_so_opt='' +runnm='' +usenm='' +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="$al xenix z8000" + +groupstype='' +i_whoami='' +: default library list +libswanted='' +: set useposix=false in your hint file to disable the POSIX extension. +useposix=true +: set usesafe=false in your hint if you want to skip the Safe extension. +usesafe=true +: Define several unixisms. These can be used in hint files. +exe_ext='' +: Extra object files, if any, needed on this platform. +archobjs='' +: Possible local include directories to search. +: Set locincpth to "" in a hint file to defeat local include searches. +locincpth="/usr/local/include /opt/local/include /usr/gnu/include" +locincpth="$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="$loclibpth /opt/gnu/lib /usr/GNU/lib /opt/GNU/lib" + +: general looking path for locating libraries +glibpth="/lib/pa1.1 /usr/shlib /usr/lib/large /lib /usr/lib" +glibpth="$glibpth $xlibpth /lib/large /usr/lib/small /lib/small" +glibpth="$glibpth /usr/ccs/lib /usr/ucblib /usr/shlib" + +: 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='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 + +: script used to extract .SH files with variable substitutions +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 + +: 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: $me [-dehrEKOSV] [-f config.sh] [-D symbol] [-D symbol=value] + [-U symbol] [-U symbol=] + -d : use defaults for all answers. + -e : go on without questioning past the production of config.sh. + -f : specify an alternate default configuration file. + -h : print this help message and exit (with an error status). + -r : reuse C symbols value if possible (skips costly nm extraction). + -s : silent mode, only echoes questions and essential information. + -D : define symbol to have some value: + -D symbol symbol gets the value 'define' + -D symbol=value symbol gets the value 'value' + -E : stop at the end of questions, after having produced config.sh. + -K : do not use unless you know what you are doing. + -O : let -D and -U override definitions from loaded configuration file. + -S : perform variable substitutions on all .SH files (can mix with -f) + -U : undefine symbol: + -U symbol symbol gets the value 'undef' + -U symbol= symbol gets completely empty + -V : print version number and exit (with a zero status). +EOM + exit 1 + ;; +esac + +exec 4>&1 +case "$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 (doughera@lafcol.lafayette.edu). + +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] $c\" >&4 + fi + ;; + esac;; +esac" + +: now set up to do reads with possible shell escape and default assignment +cat <<EOSC >myread +xxxm=\$dflt +$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 || whoami) 2>&1` +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 $* to repeat the whole default line, +so you do not have to re-type everything to add something to the default. + +Everytime there is a substitution, you will have to confirm. If there is an +error (e.g. an unmatched backtick), the default answer will remain unchanged +and you will be prompted again. + +If you are in a hurry, you may run 'Configure -d'. This will bypass nearly all +the questions and use the computed defaults (or the previous answers if there +was already a config.sh file). Type 'Configure -h' for a list of options. +You may also start interactively and then answer '& -d' at any prompt to turn +on the non-interactive behaviour for the remaining of the execution. + +EOH + . ./myread + cat <<EOH + +Much effort has been expended to ensure that this shell script will run on any +Unix system. If despite that it blows up on yours, your best bet is to edit +Configure and run it again. If you can't run Configure for some reason, +you'll have to generate a config.sh file by hand. Whatever problems you +have, let me (doughera@lafcol.lafayette.edu) know how I blew it. + +This installation script affects things in two ways: + +1) it may do direct variable substitutions on some of the files included + in this kit. +2) it builds a config.h file for inclusion in C programs. You may edit + any of these files as the need arises after running this script. + +If you make a mistake on a question, there is no easy way to back up to it +currently. The easiest thing to do is to edit config.sh and rerun all the SH +files. Configure will offer to let you do this before it runs the SH files. + +EOH + dflt='Type carriage return to continue' + . ./myread + case "$firsttime" in + true) echo $user >>../.config/instruct;; + esac +fi + +: see if sh knows # comments +echo " " +echo "Checking your sh to see if it knows about # comments..." >&4 +if `sh -c '#' >/dev/null 2>&1`; then + echo "Your sh handles # comments correctly." + shsharp=true + spitshell=cat + echo " " + echo "Okay, let's see if #! works on this system..." + 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 + echo "It does." + sharpbang='#!' + else + echo "#! $xcat" > try + $eunicefix try + chmod +x try + ./try > today + if test -s today; then + echo "It does." + sharpbang='#! ' + else + 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 + $eunicefix spitshell + spitshell=`pwd`/spitshell + cd UU + echo "I presume that if # doesn't work, #! won't work either!" + sharpbang=': use ' +fi +rm -f try today + +: figure out how to guarantee sh startup +echo " " +echo "Checking out how to guarantee sh startup..." >&4 +case "$SYSTYPE" in +*bsd*|sys5*) startsh=$sharpbang"/$SYSTYPE/bin/sh";; +*) startsh=$sharpbang'/bin/sh';; +esac +echo "Let's see if '$startsh' works..." +cat >try <<EOSS +$startsh +set abc +test "$?abc" != 1 +EOSS + +chmod +x try +$eunicefix try +if ./try; then + echo "Yup, it does." +else +echo "Nope. You may have to fix up the shell scripts to make sure sh runs them." +fi +rm -f try + +: find out where common programs are +echo " " +echo "Locating common programs..." >&4 +cat <<EOSC >loc +$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 +ln +ls +mkdir +rm +sed +sort +touch +tr +uniq +" +trylist=" +Mcc +byacc +cpp +csh +date +egrep +less +line +more +nroff +perl +pg +sendmail +test +uname +" +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=$grep + ;; +esac +case "$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" + . ./config.sh + cp config.sh UU + n="$tmp_n" + c="$tmp_c" + 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 doughera@lafcol.lafayette.edu + : 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 + $test -f /unicos && osname=unicos && osvers=`$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 ;; + news*) osname=news ;; + 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 + ;; + dnix) osname=dnix + osvers="$3" + ;; + domainos) osname=apollo + osvers="$3" + ;; + dgux) osname=dgux + 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 + 1*) osvers=1 ;; + *) osvers="$3" ;; + esac + ;; + netbsd*) osname=netbsd + osvers="$3" + ;; + bsd386) osname=bsd386 + osvers=`$uname -r` + ;; + 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) 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" + ;; + $2) case "$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 news_os.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=news_os + 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 $config_sh config.sh 2>/dev/null + . ./config.sh + cd UU + cp ../config.sh . + n="$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" | $sed -e 's/[ ][ ]*/_/g' | ./tr '[A-Z]' '[a-z]'`;; +esac +: who configured the system +cf_time=`$date 2>&1` +(logname > .temp) >/dev/null 2>&1 +$test -s .temp || (whoami > .temp) >/dev/null 2>&1 +$test -s .temp || echo unknown > .temp +cf_by=`$cat .temp` +$rm -f .temp + +: 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=`$sed -e 's/ /_/g' -e 's/$/'"-$osname/" tmparch` + else + tarch="$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 " " +if test -d /afs; then + echo "AFS may be running... I'll be extra cautious then..." >&4 + afs=true +else + echo "AFS does not seem to be running..." >&4 + afs=false +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 +$eunicefix filexp + +: now set up to get a file name +cat <<'EOSC' >getfile +tilde='' +fullpath='' +already='' +skip='' +none_ok='' +exp_file='' +nopath_ok='' +orig_rp="$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 "(You have $package $baserev PL$patchlevel sub$subversion.)" + +: set the prefixup variable, to restore leading tilda escape +prefixup='case "$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 + ;; + *) version=`echo $baserev $patchlevel $subversion | \ + $awk '{print $1 + $2/1000.0 + $3/100000.0}'` + dflt="$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 + $cat <<EOM + +Since you are running AFS, I need to distinguish the directory in which +private files reside from the directory in which they are installed (and from +which they are presumably copied to the former directory by occult means). + +EOM + case "$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 <<'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' + +: make some quick guesses about what we are up against +echo " " +$echo $n "Hmm... $c" +echo exit 1 >bsd +echo exit 1 >usg +echo exit 1 >v7 +echo exit 1 >osf1 +echo exit 1 >eunice +echo exit 1 >xenix +echo exit 1 >venix +d_bsd="$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="$undef" + ;; +esac +if test -f /xenix; then + echo "Actually, this looks more like a XENIX system..." + echo exit 0 >xenix + d_xenix="$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 +$eunicefix bsd usg v7 osf1 eunice xenix venix +$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 + 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 + $cat <<EOM + +Since you are running AFS, I need to distinguish the directory in which +private files reside from the directory in which they are installed (and from +which they are presumably copied to the former directory by occult means). + +EOM + case "$installsitelib" in + '') dflt=`echo $sitelibexp | sed 's#^/afs/#/afs/.#'`;; + *) dflt="$installsitelib";; + esac + fn=de~ + rp='Where will private 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 + $cat <<EOM + +Since you are running AFS, I need to distinguish the directory in which +private files reside from the directory in which they are installed (and from +which they are presumably copied to the former directory by occult means). + +EOM + case "$installsitearch" in + '') dflt=`echo $sitearchexp | sed 's#^/afs/#/afs/.#'`;; + *) dflt="$installsitearch";; + esac + fn=de~ + rp='Where will private 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 library +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 $archlib, +while locally-added extensions will go into +$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 + +: 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="$ans" + ;; +esac + +: see what memory models we can support +case "$models" in +'') + $cat >pdp11.c <<'EOP' +main() { +#ifdef pdp11 + exit(0); +#else + exit(1); +#endif +} +EOP + cc -o pdp11 pdp11.c >/dev/null 2>&1 + if ./pdp11 2>/dev/null; then + dflt='unsplit split' + else + tans=`./loc . X /lib/small /lib/large /usr/lib/small /usr/lib/large /lib/medium /usr/lib/medium /lib/huge` + case "$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 + +: 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=. + ;; + .) 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 $tans)" + : Why was there an Egrep here, when Sed works? + dflt=.`$sed -n -e 's/^domain[ ]*\(.*\)/\1/p' $tans \ + | ./tr '[A-Z]' '[a-z]' 2>/dev/null` + fi + ;; + esac + case "$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" + +: 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 + +: determine perl absolute location +case "$perlpath" in +'') perlpath=$binexp/perl ;; +esac + +: figure out how to guarantee perl startup +case "$startperl" in +'') + case "$sharpbang" in + *!) + $cat <<EOH + +I can use the #! construct to start perl on your system. This will +make startup of perl scripts faster, but may cause problems if you +want to share those scripts and perl is not in a standard place +($perlpath) on all your platforms. The alternative is to force +a shell by starting the script with a single ':' character. + +EOH + dflt=$perlpath + rp='What shall I put after the #! to start up perl ("none" to not use #!)?' + . ./myread + case "$ans" in + none) startperl=": # use perl";; + *) startperl="#!$ans";; + esac + ;; + *) startperl=": # use perl" + ;; + esac + ;; +esac +echo "I'll use $startperl to start perl scripts." + +: 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 + +: 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="$ans";; +esac + +: determine optimize, if desired, or use for debug flag also +case "$optimize" in +' ') 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 +set signal.h NO_PROTOTYPE; eval $inctest +set signal.h _NO_PROTO; eval $inctest + +case "$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 $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 and flags for coherency..." >&4 +set X $cc $optimize $ccflags $ldflags try.c -o try +shift +$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 try.c -o try $ldflags" >>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 $?." >>try.msg + rp="You have a problem. Shall I abort Configure" + dflt=y + fi +else + echo "I can't compile the test program." >>try.msg + rp="You have a BIG problem. Shall I abort Configure" + dflt=y +fi +case "$dflt" in +y) + $cat try.msg + case "$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 + +: 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.a X $libpth`; $test -f "$xxx"; then + echo "Found -l$thislib." + case " $dflt " in + *"-l$thislib "*);; + *) dflt="$dflt -l$thislib";; + esac + elif xxx=`./loc $thislib.a 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.a 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.a 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 newer Unix System V'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="$ans";; +esac + +: see if nm is to be used to determine whether a symbol is defined or not +case "$usenm" in +'') + dflt=`egrep 'inlibc|csym' ../Configure | wc -l 2>/dev/null` + if $test $dflt -gt 20; then + dflt=y + else + dflt=n + fi + ;; +*) + case "$usenm" in + true) dflt=y;; + *) dflt=n;; + esac + ;; +esac +$cat <<EOM + +I can use 'nm' to extract the symbols from your C libraries. This is a time +consuming task which may generate huge output on the disk (up to 3 megabytes) +but that should make the symbols extraction faster. The alternative is to skip +the 'nm' extraction part and to compile a small test program instead to +determine whether each symbol is present. If you have a fast C compiler and/or +if your 'nm' output cannot be parsed, this may be the best solution. + +EOM +rp='Shall I use nm to extract C symbols from the libraries?' +. ./myread +case "$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='' + elif $test -d /usr/ccs/lib; then + nm_opt='-p' + elif $test -f /dgux; then + nm_opt='-p' + else + nm_opt='' + fi;; +esac + +: nm options which may be necessary for shared libraries but illegal +: for archive libraries. Thank you, Linux. +case "$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.a $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.a 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.a 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.a + ;; +*) + 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 $incpath/usr/lib/libc.a; then + libc=$incpath/usr/lib/libc.a; + echo "Your C library seems to be in $libc. That's fine." +elif $test -r /lib/libc.a; then + libc=/lib/libc.a; + echo "Your C library seems to be in $libc. You're normal." +else + if tans=`./loc libc.a 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.a blurfl/dyick $xlibpth`; $test -r "$tans"; then + : + elif tans=`./loc Mlibc.a blurfl/dyick $xlibpth`; $test -r "$tans"; then + : + else + tans=`./loc Llibc.a 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 '/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 +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 + +: 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 "$sym() NOT found." >&4;; + esac;; +esac' + +: Check how to convert floats to strings. +echo " " +echo "Checking for an efficient way to convert floats to strings." +$cat >try.c <<'EOP' +#ifdef TRY_gconvert +#define Gconvert(x,n,t,b) gconvert((x),(n),(t),(b)) +#endif +#ifdef TRY_gcvt +#define Gconvert(x,n,t,b) gcvt((x),(n),(b)) +#endif +#ifdef TRY_sprintf +#define Gconvert(x,n,t,b) sprintf((b),"%.*g",(n),(x)) +#endif +main() { + char buf[64]; + Gconvert(1.0, 8, 0, buf); + if (buf[0] != '1' || buf[1] != '\0') + exit(1); + Gconvert(0.0, 8, 0, buf); + if (buf[0] != '0' || buf[1] != '\0') + exit(1); + Gconvert(-1.0, 8, 0, buf); + if (buf[0] != '-' || buf[1] != '1' || buf[2] != '\0') + exit(1); + 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 "Good, $xxx_convert drops a trailing decimal point." + echo "I'll use $xxx_convert to convert floats into a string." >&4 + break; + else + echo "But $xxx_convert keeps a trailing decimal point". + fi + else + echo "$xxx_convert NOT found." >&4 + fi +done + +case "$xxx_convert" in +gconvert) d_Gconvert='gconvert((x),(n),(t),(b))' ;; +gcvt) d_Gconvert='gcvt((x),(n),(b))' ;; +*) d_Gconvert='sprintf((b),"%.*g",(n),(x))' ;; +esac + +: Initialize h_fcntl +h_fcntl=false + +: Initialize h_sysfile +h_sysfile=false + +: determine filename position in cpp output +echo " " +echo "Computing filename position in cpp output for #include directives..." >&4 +echo '#include <stdio.h>' > foo.c +$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 + +: 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 setpgrp exists +set setpgrp d_setpgrp +eval $inlibc + +: see which flavor of setpgrp is in use +case "$d_setpgrp" in +"$define") + echo " " + $cat >set.c <<EOP +main() +{ + if (getuid() == 0) { + printf("(I see you are running Configure as super-user...)\n"); + setuid(1); + } + if (-1 == setpgrp(1, 1)) + exit(1); + exit(0); +} +EOP + if $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1; then + ./set 2>/dev/null + case $? in + 0) echo "You have to use setpgrp() instead of setpgrp(pid, pgrp)." >&4 + val="$undef";; + *) echo "You have to use setpgrp(pid, pgrp) instead of setpgrp()." >&4 + val="$define";; + esac + else + if ./usg; then + xxx="USG one, i.e. you use setpgrp()." + val="$undef" + else + xxx="BSD one, i.e. you use setpgrp(pid, pgrp)." + val="$define" + fi + echo "Assuming your setpgrp is a $xxx" >&4 + fi + ;; +*) val="$undef";; +esac +set d_bsdpgrp +eval $setvar +$rm -f set set.c + +: see if bzero exists +set bzero d_bzero +eval $inlibc + +: check for length of integer +echo " " +case "$intsize" in +'') + echo "Checking to see how big your integers are..." >&4 + $cat >try.c <<'EOCP' +#include <stdio.h> +main() +{ + printf("%d\n", sizeof(int)); + exit(0); +} +EOCP + if $cc $ccflags try.c -o try >/dev/null 2>&1 && ./try > /dev/null; then + intsize=`./try` + echo "Your integers are $intsize bytes long." + else + dflt='4' + echo "(I can't seem to compile the test program. Guessing...)" + rp="What is the size of an integer (in bytes)?" + . ./myread + intsize="$ans" + fi + ;; +esac +$rm -f try.c try + +: see if signal is declared as pointer to function returning int or void +echo " " +xxx=`./findhdr signal.h` +$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.a "" $xlibpth` + if $test -z "$cryptlib"; then + cryptlib=`./loc Mlibcrypt.a "" $xlibpth` + else + cryptlib=-lcrypt + fi + if $test -z "$cryptlib"; then + cryptlib=`./loc Llibcrypt.a "" $xlibpth` + else + cryptlib=-lcrypt + fi + if $test -z "$cryptlib"; then + cryptlib=`./loc libcrypt.a "" $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 $setvar +full_csh=$csh + +: see if cuserid exists +set cuserid d_cuserid +eval $inlibc + +: define an alternate in-header-list? function +inhdr='echo " "; td=$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 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 dld is available +set dld.h i_dld +eval $inhdr + +: see if dlopen exists +xxx_runnm="$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' ;; + solaris|svr4*|esix*) dflt='-Kpic' ;; + sunos) dflt='-pic' ;; + *) dflt='none' ;; + esac ;; + *) dflt='-fpic' ;; + 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) 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 + +val="$undef" +case "$osname" in +esix*|svr4*) + case "$usedl" in + $define) + $cat <<EOM + +System V Release 4 systems can support dynamic loading +only if libperl is created as a shared library. + +EOM + val="$define" + ;; + esac ;; +esac +set d_shrplib; eval $setvar +case "$d_shrplib" in +$define) + cat <<EOM >&4 + +Be sure to add the perl source directory to the LD_LIBRARY_PATH +environment variable before running make: + LD_LIBRARY_PATH=`cd ..;pwd`; export LD_LIBRARY_PATH +or + setenv LD_LIBRARY_PATH `cd ..;pwd` + +EOM +;; +esac +case "$d_shrplib" in +$define) + case "$shrpdir" in + "") dflt="$archlib/CORE";; + *) dflt="$shrpdir";; + esac + rp="What directory should we install the shared libperl into?" + fn="d~" + . ./getfile + shrpdir="$ans" + ;; +*) shrpdir='none' + ;; +esac + +: 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") ; + exit(0); + } + symbol = dlsym(handle, "fred") ; + if (symbol == NULL) { + /* try putting a leading underscore */ + symbol = dlsym(handle, "_fred") ; + if (symbol == NULL) { + printf ("2\n") ; + exit(0); + } + printf ("3\n") ; + } + else + printf ("4\n") ; + exit(0); +} +EOM + if $cc $ccflags $cccdlflags -c dyna.c > /dev/null 2>&1 && + $ld $lddlflags -o dyna.$dlext dyna.o > /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.? + +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 $cppflags "-DI_SYS_FILE" open3.c -o open3 >/dev/null 2>&1 ; then + h_sysfile=true; + echo "<sys/file.h> defines the O_* constants..." >&4 + if ./open3; then + echo "and you have the 3 argument form of open()." >&4 + val="$define" + else + echo "but not the 3 argument form of open(). Oh, well." >&4 + val="$undef" + fi +elif $test `./findhdr fcntl.h` && \ + $cc "-DI_FCNTL" open3.c -o open3 >/dev/null 2>&1 ; then + h_fcntl=true; + echo "<fcntl.h> defines the O_* constants..." >&4 + if ./open3; then + echo "and you have the 3 argument form of open()." >&4 + val="$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" -eq "$rd_nodata"; then + echo "WARNING: you can't distinguish between EOF and no data!" + val="$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 getpgrp exists +set getpgrp d_getpgrp +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 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 $setvar + +: Look for isascii +echo " " +$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 $inlibc + +: can bcopy handle overlapping blocks? +val="$undef" +case "$d_bcopy" in +"$define") + echo " " + echo "Checking to see if your bcopy() can do overlapping copies..." >&4 + $cat >foo.c <<'EOCP' +main() +{ +char buf[128], abc[128]; +char *b; +int len; +int off; +int align; + +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 $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." + fi + else + echo "(I can't compile the test program, so we'll assume not...)" + 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' +main() +{ +char buf[128], abc[128]; +char *b; +int len; +int off; +int align; + +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 $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." + fi + else + echo "(I can't compile the test program, so we'll assume not...)" + fi + ;; +esac +$rm -f foo.* safemcpy core +set d_safemcpy +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 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 + +: see if sigvector exists -- since sigvec will match the substring +echo " " +if set sigvector val -f d_sigvectr; eval $csym; $val; then + echo 'sigvector() found--you must be running HP-UX.' >&4 + val="$define"; set d_sigvectr; eval $setvar + val="$define"; set d_sigvec; eval $setvar +else +: try the original name + d_sigvectr="$undef" + if set sigvec val -f d_sigvec; eval $csym; $val; then + echo 'sigvec() found.' >&4 + val="$define"; set d_sigvec; eval $setvar + else + echo 'sigvec() not found--race conditions with signals may occur.' >&4 + val="$undef"; set d_sigvec; eval $setvar + fi +fi + +: see if we have sigaction +set sigaction d_sigaction +eval $inlibc + + +: see if sigsetjmp exists +echo " " +case "$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 set.c -o set $libs >/dev/null 2>&1; then + if ./set >/dev/null 2>&1; then + echo "POSIX sigsetjmp found." >&4 + val="$define" + else + $cat <<EOM +Uh-Oh! You have POSIX sigsetjmp and siglongjmp, but they do not work properly!! +EOM + val="$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.a..." >&4 + if test -f /usr/lib/libnet.a; then + ( (nm $nm_opt /usr/lib/libnet.a | eval $nm_extract) || \ + ar t /usr/lib/libnet.a) 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="$define" + fi + else + echo "or even in libnet.a, which is peculiar." >&4 + d_socket="$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 $libs > /dev/null 2>&1; then + if ./try; then + echo "Even its _base field acts std." + val="$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 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 + +: 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 "$firstmakefile" in +'') firstmakefile='makefile';; +esac + +: check for ordering of bytes in a long +case "$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 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 + echo "I can't seem to compile the test program." >&4 + db_hashtype=int + fi + $rm -f try.* + echo "Your version of Berkeley DB uses $db_hashtype for hash." + ;; +*) db_hashtype=int + ;; +esac + +case "$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 + echo "I can't seem to compile the test program." >&4 + db_prefixtype='int' + fi + $rm -f try.* + echo "Your version of Berkeley DB uses $db_prefixtype for prefix." + ;; +*) db_prefixtype='int' + ;; +esac + +: check for void type +echo " " +echo "Checking to see how well your C compiler groks the void type..." >&4 +echo " " +$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 main() { +#else +main() { +#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); +} +EOCP + if $cc -c -DTRY=$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 -c -DTRY=1 try.c >/dev/null 2>&1 ; then + echo "It supports 1..." + if $cc -c -DTRY=3 try.c >/dev/null 2>&1 ; then + echo "It also supports 2..." + if $cc -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 -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 -c -DTRY=13 try.c >/dev/null 2>&1 ; then + voidflags=13 + echo "But it supports 4 and 8." + else + if $cc -c -DTRY=5 try.c >/dev/null 2>&1 ; then + voidflags=5 + echo "And it supports 4 but has not heard about 8." + else + echo "However it supports 8 but not 4." + fi + fi + fi + else + echo "There is no support at all for void." + voidflags=0 + fi + fi +esac +: Only prompt user if support does not match the level we want +case "$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 $inlibc + +: Find type of 2nd arg to getgroups +echo " " +case "$d_getgrps" in +'define') + case "$groupstype" in + '') dflt="$gidtype" ;; + *) dflt="$groupstype" ;; + esac + $cat <<EOM +What is the type of the second argument to getgroups()? Usually this +is the same as group ids, $gidtype, but not always. + +EOM + rp='What type is the second argument to getgroups()?' + . ./myread + groupstype="$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" + +: 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' +#include <stdio.h> +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); +} +EOCP + if $cc try.c -o try >/dev/null 2>&1 ; then + dflt=`try` + else + dflt='?' + echo "(I can't seem to compile the test program...)" + fi + ;; +*) + dflt="$randbits" + ;; +esac +rp='How many bits does your rand() function produce?' +. ./myread +randbits="$ans" +$rm -f try.c try + +: 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.a bar2.o bar1.o >/dev/null 2>&1 +if $cc $ccflags $ldflags -o foobar foo.o bar.a $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.a >/dev/null 2>&1 && + $cc $ccflags $ldflags -o foobar foo.o bar.a $libs > /dev/null 2>&1 && + ./foobar >/dev/null 2>&1; then + echo "a table of contents needs to be added with 'ar ts'." + orderlib=false + ranlib="ar ts" +else + case "$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> +#else +#ifdef I_SYS_SELECT +#include <sys/select.h> +#endif +#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> +#else +#ifdef I_SYS_SELECT +#include <sys/select.h> +#endif +#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() { +#ifdef NSIG +printf("NSIG %d\n", NSIG); +#else +#ifdef _NSIG +printf("NSIG %d\n", _NSIG); +#endif +#endif +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 signal.c -o signal $ldflags >/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"); +} +EOM +echo " " +if $cc $ccflags $ldflags -o ssize ssize.c $libs > /dev/null 2>&1 ; then + ssizetype=`./ssize` + echo "I'll be using $ssizetype for functions returning a byte count." >&4 +else + echo "(I can't compile the test program--please enlighten me!)" + $cat <<EOM + +I need a type that is the same size as $sizetype, but is guaranteed to +be signed. Common values are int and long. + +EOM + rp="What signed type is the same size as $sizetype?" + . ./myread + ssizetype="$ans" +fi +$rm -f ssize ssize.[co] + +: 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 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 + +: 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/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 unistd.h system +set unistd.h i_unistd +eval $inhdr + +: see if this is an utime system +set utime.h i_utime +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 + 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 +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 $xxx" ;; + esac + ;; + SAFE) case "$usesafe" 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 one of these values, +# do not forget to propagate your changes by running "Configure -der". You may +# instead choose to run each of the .SH files by yourself, or "Configure -S". +# + +# 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' +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='$d_bcopy' +d_bsd='$d_bsd' +d_bsdpgrp='$d_bsdpgrp' +d_bzero='$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='$d_fsetpos' +d_getgrps='$d_getgrps' +d_gethent='$d_gethent' +d_gethname='$d_gethname' +d_getlogin='$d_getlogin' +d_getpgrp2='$d_getpgrp2' +d_getpgrp='$d_getpgrp' +d_getppid='$d_getppid' +d_getprior='$d_getprior' +d_htonl='$d_htonl' +d_index='$d_index' +d_isascii='$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_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='$d_setsid' +d_shm='$d_shm' +d_shmat='$d_shmat' +d_shmatprototype='$d_shmatprototype' +d_shmctl='$d_shmctl' +d_shmdt='$d_shmdt' +d_shmget='$d_shmget' +d_shrplib='$d_shrplib' +d_sigaction='$d_sigaction' +d_sigintrp='$d_sigintrp' +d_sigsetjmp='$d_sigsetjmp' +d_sigvec='$d_sigvec' +d_sigvectr='$d_sigvectr' +d_socket='$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='$d_strerror' +d_strxfrm='$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='$groupstype' +h_fcntl='$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_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_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_termio='$i_termio' +i_termios='$i_termios' +i_time='$i_time' +i_unistd='$i_unistd' +i_utime='$i_utime' +i_varargs='$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' +libpth='$libpth' +libs='$libs' +libswanted='$libswanted' +line='$line' +lint='$lint' +lkflags='$lkflags' +ln='$ln' +lns='$lns' +locincpth='$locincpth' +loclibpth='$loclibpth' +lp='$lp' +lpr='$lpr' +ls='$ls' +lseektype='$lseektype' +mail='$mail' +mailx='$mailx' +make='$make' +mallocobj='$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='$shmattype' +shrpdir='$shrpdir' +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='$usenm' +useposix='$useposix' +usesafe='$usesafe' +usevfork='$usevfork' +usrinc='$usrinc' +uuname='$uuname' +vi='$vi' +voidflags='$voidflags' +xlibpth='$xlibpth' +zcat='$zcat' +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 + |