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# hints/gnu.sh
# Originally contributed by: Mark Kettenis <kettenis@phys.uva.nl> Dec 10 1998
# libnsl is unusable on the Hurd.
# XXX remove this once SUNRPC is implemented.
set `echo X "$libswanted "| sed -e 's/ bsd / /' -e 's/ nsl / /' -e 's/ c / pthread /'`
shift
libswanted="$*"
# Debian 4.0 puts ndbm in the -lgdbm_compat library.
libswanted="$libswanted gdbm_compat"
# malloc wrap works
case "$usemallocwrap" in
'') usemallocwrap='define' ;;
esac
# The system malloc() is about as fast and as frugal as perl's.
# Since the system malloc() has been the default since at least
# 5.001, we might as well leave it that way. --AD 10 Jan 2002
case "$usemymalloc" in
'') usemymalloc='n' ;;
esac
case "$optimize" in
'') optimize='-O2' ;;
esac
case "$plibpth" in
'') plibpth=`gcc -print-search-dirs | grep libraries |
cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
set X $plibpth # Collapse all entries on one line
shift
plibpth="$*"
;;
esac
case "$libc" in
'')
# If you have glibc, then report the version for ./myconfig bug reporting.
# (Configure doesn't need to know the specific version since it just uses
# gcc to load the library for all tests.)
# We don't use __GLIBC__ and __GLIBC_MINOR__ because they
# are insufficiently precise to distinguish things like
# libc-2.0.6 and libc-2.0.7.
for p in $plibpth
do
for trylib in libc.so.0.3 libc.so
do
if $test -e $p/$trylib; then
libc=`ls -l $p/$trylib | awk '{print $NF}'`
if $test "X$libc" != X; then
break
fi
fi
done
if $test "X$libc" != X; then
break
fi
done
;;
esac
# Flags needed to produce shared libraries.
lddlflags='-shared'
# Flags needed by programs that use dynamic linking.
ccdlflags='-Wl,-E'
# This script UU/usethreads.cbu will get 'called-back' by Configure
# after it has prompted the user for whether to use threads.
cat > UU/usethreads.cbu <<'EOCBU'
case "$usethreads" in
$define|true|[yY]*)
ccflags="-D_REENTRANT -D_GNU_SOURCE $ccflags"
if echo $libswanted | grep -v pthread >/dev/null
then
set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
shift
libswanted="$*"
fi
# Somehow at least in Debian 2.2 these manage to escape
# the #define forest of <features.h> and <time.h> so that
# the hasproto macro of Configure doesn't see these protos,
# even with the -D_GNU_SOURCE.
d_asctime_r_proto="$define"
d_crypt_r_proto="$define"
d_ctime_r_proto="$define"
d_gmtime_r_proto="$define"
d_localtime_r_proto="$define"
d_random_r_proto="$define"
;;
esac
EOCBU
cat > UU/uselargefiles.cbu <<'EOCBU'
# This script UU/uselargefiles.cbu will get 'called-back' by Configure
# after it has prompted the user for whether to use large files.
case "$uselargefiles" in
''|$define|true|[yY]*)
# Keep this in the left margin.
ccflags_uselargefiles="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
ccflags="$ccflags $ccflags_uselargefiles"
;;
esac
EOCBU
# The following routines are only available as stubs in GNU libc.
# XXX remove this once metaconf detects the GNU libc stubs.
d_msgctl='undef'
d_msgget='undef'
d_msgrcv='undef'
d_msgsnd='undef'
d_semctl='undef'
d_semget='undef'
d_semop='undef'
d_shmat='undef'
d_shmctl='undef'
d_shmdt='undef'
d_shmget='undef'
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