libswanted="$*"
# Debian 4.0 puts ndbm in the -lgdbm_compat library.
-libswanted="$libswanted gdbm_compat"
-
-# 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.
-if test -L /lib/libc.so.6; then
- libc=`ls -l /lib/libc.so.6 | awk '{print $NF}'`
- libc=/lib/$libc
+echo $libs
+if echo " $libswanted " | grep -q ' gdbm '; then
+ # Only add if gdbm is in libswanted.
+ libswanted="$libswanted gdbm_compat"
fi
# Configure may fail to find lstat() since it's a static/inline
;;
esac
-# Are we using ELF? Thanks to Kenneth Albanowski <kjahds@kjahds.com>
-# for this test.
-cat >try.c <<'EOM'
-/* Test for whether ELF binaries are produced */
-#include <fcntl.h>
-#include <stdlib.h>
-#include <unistd.h>
-main() {
- char buffer[4];
- int i=open("a.out",O_RDONLY);
- if(i==-1)
- exit(1); /* fail */
- if(read(i,&buffer[0],4)<4)
- exit(1); /* fail */
- if(buffer[0] != 127 || buffer[1] != 'E' ||
- buffer[2] != 'L' || buffer[3] != 'F')
- exit(1); /* fail */
- exit(0); /* succeed (yes, it's ELF) */
-}
-EOM
-if ${cc:-gcc} $ccflags $ldflags try.c >/dev/null 2>&1 && $run ./a.out; then
- cat <<'EOM' >&4
-
-You appear to have ELF support. I'll try to use it for dynamic loading.
-If dynamic loading doesn't work, read hints/linux.sh for further information.
-EOM
-
-else
- cat <<'EOM' >&4
-
-You don't have an ELF gcc. I will use dld if possible. If you are
-using a version of DLD earlier than 3.2.6, or don't have it at all, you
-should probably upgrade. If you are forced to use 3.2.4, you should
-uncomment a couple of lines in hints/linux.sh and restart Configure so
-that shared libraries will be disallowed.
-
-EOM
- lddlflags="-r $lddlflags"
- # These empty values are so that Configure doesn't put in the
- # Linux ELF values.
- ccdlflags=' '
- cccdlflags=' '
- ccflags="-DOVR_DBL_DIG=14 $ccflags"
- so='sa'
- dlext='o'
- nm_so_opt=' '
- ## If you are using DLD 3.2.4 which does not support shared libs,
- ## uncomment the next two lines:
- #ldflags="-static"
- #so='none'
-
- # In addition, on some systems there is a problem with perl and NDBM
- # which causes AnyDBM and NDBM_File to lock up. This is evidenced
- # in the tests as AnyDBM just freezing. Apparently, this only
- # happens on a.out systems, so we disable NDBM for all a.out linux
- # systems. If someone can suggest a more robust test
- # that would be appreciated.
- #
- # More info:
- # Date: Wed, 7 Feb 1996 03:21:04 +0900
- # From: Jeffrey Friedl <jfriedl@nff.ncl.omron.co.jp>
- #
- # I tried compiling with DBM support and sure enough things locked up
- # just as advertised. Checking into it, I found that the lockup was
- # during the call to dbm_open. Not *in* dbm_open -- but between the call
- # to and the jump into.
- #
- # To make a long story short, making sure that the *.a and *.sa pairs of
- # /usr/lib/lib{m,db,gdbm}.{a,sa}
- # were perfectly in sync took care of it.
- #
- # This will generate a harmless Whoa There! message
- case "$d_dbm_open" in
- '') cat <<'EOM' >&4
-
-Disabling ndbm. This will generate a Whoa There message in Configure.
-Read hints/linux.sh for further information.
-EOM
- # You can override this with Configure -Dd_dbm_open
- d_dbm_open=undef
- ;;
- esac
-fi
+# libquadmath is sometimes installed as gcc internal library,
+# so contrary to our usual policy of *not* looking at gcc internal
+# directories we now *do* look at them, in case they contain
+# the quadmath library.
+# XXX This may apply to other gcc internal libraries, if such exist.
+# XXX This could be at Configure level, but then the $gcc is messy.
+case "$usequadmath" in
+"$define")
+ for d in `LANG=C LC_ALL=C $gcc $ccflags $ldflags -print-search-dirs | grep libraries | cut -f2- -d= | tr ':' $trnl | grep 'gcc' | sed -e 's:/$::'`
+ do
+ case `ls $d/*libquadmath*$so* 2>/dev/null` in
+ $d/*libquadmath*$so*) xlibpth="$xlibpth $d" ;;
+ esac
+ done
+ ;;
+esac
-rm -f try.c a.out
+case "$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.6 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
if ${sh:-/bin/sh} -c exit; then
echo ''
# version of -lgdbm which is a bad idea. So if we have 'nm'
# make sure it can read the file
# NI-S 2003/08/07
-if [ -r /usr/lib/libndbm.so -a -x /usr/bin/nm ] ; then
- if /usr/bin/nm /usr/lib/libndbm.so >/dev/null 2>&1 ; then
- echo 'Your shared -lndbm seems to be a real library.'
- else
- echo 'Your shared -lndbm is not a real library.'
- set `echo X "$libswanted "| sed -e 's/ ndbm / /'`
- shift
- libswanted="$*"
- fi
-fi
+case "$nm" in
+ '') ;;
+ *)
+ for p in $plibpth
+ do
+ if $test -r $p/libndbm.so; then
+ if $nm $p/libndbm.so >/dev/null 2>&1 ; then
+ echo 'Your shared -lndbm seems to be a real library.'
+ _libndbm_real=1
+ break
+ fi
+ fi
+ done
+ if $test "X$_libndbm_real" = X; then
+ echo 'Your shared -lndbm is not a real library.'
+ set `echo X "$libswanted "| sed -e 's/ ndbm / /'`
+ shift
+ libswanted="$*"
+ fi
+ ;;
+esac
# Linux on Synology.
if [ -f /etc/synoinfo.conf -a -d /usr/syno ]; then
DBLIB="$DBDIR/libdb.so"
if [ -f $DBLIB ]
then
- if ${nm:-nm} -u $DBLIB | grep pthread >/dev/null
+ if ${nm:-nm} -u $DBLIB 2>/dev/null | grep pthread >/dev/null
then
if ldd $DBLIB | grep pthread >/dev/null
then
https://perl5.git.perl.org / perl5.git / blobdiff