# 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
+# 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=/lib/$libc
fi
-# glibc 2.2.90 and above apparently change stdio streams so Perl's
-# direct buffer manipulation no longer works. The Configure tests
-# should be changed to correctly detect this, but until then,
-# the following check should at least let perl compile and run.
-# (This quick fix should be updated before 5.8.1.)
-# Since we just computed libc above, we'll use it here. A typical
-# value looks like libc='/lib/libc-2.0.6.so'
-# To be defensive, reject all unknown versions > 2.2.9.
-# A. Dougherty, May. 30, 2001
-case "$libc" in
-*-2.[01]*) ;;
-*-2.2.so) ;;
-*-2.2.[0-9].*) ;;
-*) # Honor a command-line override
- if test -z "$d_stdstdio"; then
- d_stdstdio="$undef"
- cat <<'EOM' >&4
-
-Disabling perl's stdio buffer snooping. This will generate a harmless
- *** WHOA THERE!!! ***
-message in Configure. Accept the recommended value.
-Read hints/linux.sh for further information.
-EOM
- fi
- ;;
-esac
-
# Configure may fail to find lstat() since it's a static/inline
# function in <sys/stat.h>.
d_lstat=define
-# The system malloc() is about as fast and as frugal as perl's.
+# 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
-'') # If we have modern enough gcc and well-supported enough CPU,
- # crank up the optimization level.
- case "`${cc:-gcc} -v 2>&1`" in
- *"gcc version 2.95"*|*"gcc version 3."*)
- case "`arch 2>&1`" in
- i?86|ppc) optimize='-O3' ;;
- esac
- ;;
- esac
+# Check if we're about to use Intel's ICC compiler
+case "`${cc:-cc} -V 2>&1`" in
+*"Intel(R) C++ Compiler"*)
+ # This is needed for Configure's prototype checks to work correctly
+ ccflags="-we147 $ccflags"
+ # If we're using ICC, we usually want the best performance
case "$optimize" in
- '') optimize='-O2' ;;
+ '') optimize='-O3' ;;
esac
;;
esac
+case "$optimize" in
+# use -O2 by default ; -O3 doesn't seem to bring significant benefits with gcc
+'') optimize='-O2' ;;
+esac
+
# Are we using ELF? Thanks to Kenneth Albanowski <kjahds@kjahds.com>
# for this test.
cat >try.c <<'EOM'
#so='none'
# In addition, on some systems there is a problem with perl and NDBM
- # which causes AnyDBM and NDBM_File to lock up. This is evidenced
- # in the tests as AnyDBM just freezing. Apparently, this only
+ # which causes AnyDBM and NDBM_File to lock up. This is evidenced
+ # in the tests as AnyDBM just freezing. Apparently, this only
# happens on a.out systems, so we disable NDBM for all a.out linux
# systems. If someone can suggest a more robust test
# that would be appreciated.
# just as advertised. Checking into it, I found that the lockup was
# during the call to dbm_open. Not *in* dbm_open -- but between the call
# to and the jump into.
- #
+ #
# To make a long story short, making sure that the *.a and *.sa pairs of
# /usr/lib/lib{m,db,gdbm}.{a,sa}
# were perfectly in sync took care of it.
# Shimpei Yamashita <shimpei@socrates.patnet.caltech.edu>
# Message-Id: <33EF1634.B36B6500@pobox.com>
-#
+#
# The DR2 of MkLinux (osname=linux,archname=ppc-linux) may need
# special flags passed in order for dynamic loading to work.
# instead of the recommended:
#
# ccdlflags='-rdynamic'
-#
+#
# it should be:
# ccdlflags='-Wl,-E'
#
#'osfmach3ppc') ccdlflags='-Wl,-E' ;;
#esac
-case "`uname -r`" in
-sparc-linux)
+case "`uname -m`" in
+sparc*)
case "$cccdlflags" in
*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
*) cccdlflags="$cccdlflags -fPIC" ;;
;;
esac
-# This script UU/usethreads.cbu will get 'called-back' by Configure
+# SuSE8.2 has /usr/lib/libndbm* which are ld scripts rather than
+# true libraries. The scripts cause binding against static
+# 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
+
+
+# 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"
+ ccflags="-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS $ccflags"
set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
shift
libswanted="$*"
EOCBU
cat > UU/uselargefiles.cbu <<'EOCBU'
-# This script UU/uselargefiles.cbu will get 'called-back' by Configure
+# This script UU/uselargefiles.cbu will get 'called-back' by Configure
# after it has prompted the user for whether to use large files.
case "$uselargefiles" in
''|$define|true|[yY]*)
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