# Updated Thu May 30 10:50:22 EDT 1996 by <doughera@lafayette.edu>
# Updated Fri Jun 21 11:07:54 EDT 1996
-# NDBM support for ELF renabled by <kjahds@kjahds.com>
+# NDBM support for ELF re-enabled by <kjahds@kjahds.com>
# No version of Linux supports setuid scripts.
d_suidsafe='undef'
+# No version of Linux needs libutil for perl.
+i_libutil='undef'
+
# Debian and Red Hat, and perhaps other vendors, provide both runtime and
# development packages for some libraries. The runtime packages contain shared
# libraries with version information in their names (e.g., libgdbm.so.1.7.3);
# SuSE Linux can be used as cross-compilation host for Cray XT4 Catamount/Qk.
if test -d /opt/xt-pe
then
- case "`cc -V 2>&1`" in
+ case "`${cc:-cc} -V 2>&1`" in
*catamount*) . hints/catamount.sh; return ;;
esac
fi
libswanted="$*"
# 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
'') usemymalloc='n' ;;
esac
+uname_minus_m="`$run uname -m 2>/dev/null`"
+uname_minus_m="${uname_minus_m:-"$targetarch"}"
+
# Check if we're about to use Intel's ICC compiler
case "`${cc:-cc} -V 2>&1`" in
*"Intel(R) C++ Compiler"*|*"Intel(R) C Compiler"*)
# The -no-gcc flag is needed otherwise, icc pretends (poorly) to be gcc
ccflags="-we147 -mp -no-gcc $ccflags"
# Prevent relocation errors on 64bits arch
- case "`uname -m`" in
+ case "$uname_minus_m" in
*ia64*|*x86_64*)
cccdlflags='-fPIC'
;;
# use -O2 by default ; -O3 doesn't seem to bring significant benefits with gcc
'')
optimize='-O2'
- case "`uname -m`" in
+ case "$uname_minus_m" in
ppc*)
# on ppc, it seems that gcc (at least gcc 3.3.2) isn't happy
# with -O2 ; so downgrade to -O1.
;;
esac
+# Ubuntu 11.04 (and later, presumably) doesn't keep most libraries
+# (such as -lm) in /lib or /usr/lib. So we have to ask gcc to tell us
+# where to look. We don't want gcc's own libraries, however, so we
+# filter those out.
+# This could be conditional on Unbuntu, but other distributions may
+# follow suit, and this scheme seems to work even on rather old gcc's.
+# This unconditionally uses gcc because even if the user is using another
+# compiler, we still need to find the math library and friends, and I don't
+# know how other compilers will cope with that situation.
+# Morever, if the user has their own gcc earlier in $PATH than the system gcc,
+# we don't want its libraries. So we try to prefer the system gcc
+# Still, as an escape hatch, allow Configure command line overrides to
+# plibpth to bypass this check.
+if [ -x /usr/bin/gcc ] ; then
+ gcc=/usr/bin/gcc
+else
+ gcc=gcc
+fi
+
+case "$plibpth" in
+'') plibpth=`LANG=C LC_ALL=C $gcc $ccflags $ldflags -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
+
+# 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 $d" ;;
+ esac
+ done
+ ;;
+esac
+
+case "$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
+
# Are we using ELF? Thanks to Kenneth Albanowski <kjahds@kjahds.com>
# for this test.
cat >try.c <<'EOM'
exit(0); /* succeed (yes, it's ELF) */
}
EOM
-if ${cc:-gcc} try.c >/dev/null 2>&1 && $run ./a.out; then
+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.
rm -f try.c a.out
-if /bin/sh -c exit; then
+if ${sh:-/bin/sh} -c exit; then
echo ''
echo 'You appear to have a working bash. Good.'
else
#'osfmach3ppc') ccdlflags='-Wl,-E' ;;
#esac
-case "`uname -m`" in
+case "$uname_minus_m" in
sparc*)
case "$cccdlflags" in
*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
# version of -lgdbm which is a bad idea. So if we have 'nm'
# make sure it can read the file
# NI-S 2003/08/07
-if [ -r /usr/lib/libndbm.so -a -x /usr/bin/nm ] ; then
- if /usr/bin/nm /usr/lib/libndbm.so >/dev/null 2>&1 ; then
- echo 'Your shared -lndbm seems to be a real library.'
- else
- echo 'Your shared -lndbm is not a real library.'
- set `echo X "$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
+ # Tested on Synology DS213 and DS413
+ # OS version info in /etc.defaults/VERSION
+ # http://forum.synology.com/wiki/index.php/What_kind_of_CPU_does_my_NAS_have
+ # Synology DS213 running DSM 4.3-3810-0 (2013-11-06)
+ # CPU model Marvell Kirkwood mv6282 ARMv5te
+ # Linux 2.6.32.12 #3810 Wed Nov 6 05:13:41 CST 2013 armv5tel GNU/Linux
+ # Synology DS413 running DSM 4.3-3810-0 (2013-11-06)
+ # CPU model Freescale QorIQ P1022 ppc (e500v2)
+ # linux 2.6.32.12 #3810 ppc GNU/Linux
+ # All development stuff installed with ipkg is in /opt
+ if [ "$LANG" = "" -o "$LANG" = "C" ]; then
+ echo 'Your LANG is safe'
+ else
+ echo 'Please set $LANG to "C". All other $LANG settings will cause havoc' >&4
+ LANG=C
+ fi
+ echo 'Setting up to use /opt/*' >&4
+ locincpth="/opt/include $locincpth"
+ libpth="/opt/lib $libpth"
+ libspth="/opt/lib $libspth"
+ loclibpth="/opt/lib $loclibpth"
+ # POSIX will not link without the pthread lib
+ libswanted="$libswanted pthread"
+ echo "$libswanted" >&4
+fi
# This script UU/usethreads.cbu will get 'called-back' by Configure
# after it has prompted the user for whether to use threads.
cat > UU/usethreads.cbu <<'EOCBU'
-if getconf GNU_LIBPTHREAD_VERSION | grep NPTL >/dev/null 2>/dev/null
-then
- threadshavepids=""
-else
- threadshavepids="-DTHREADS_HAVE_PIDS"
-fi
case "$usethreads" in
$define|true|[yY]*)
- ccflags="-D_REENTRANT -D_GNU_SOURCE $threadshavepids $ccflags"
+ 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 /'`
;;
esac
-# If we are using g++ we must use nm and force ourselves to use
-# the /usr/lib/libc.a (resetting the libc below to an empty string
-# makes Configure to look for the right one) because the symbol
-# scanning tricks of Configure will crash and burn horribly.
-case "$cc" in
-*g++*) usenm=true
- libc=''
- ;;
-esac
-
# If using g++, the Configure scan for dlopen() and (especially)
# dlerror() might fail, easier just to forcibly hint them in.
case "$cc" in
DBLIB="$DBDIR/libdb.so"
if [ -f $DBLIB ]
then
- if 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