# intending to replace /usr/bin/perl (at least just yet).
# This change makes linux consistent with most other unix platforms
# in having a default of prefix=/usr/local.
-# These notes can probably safely be removed in 5.006_50 and beyond.
+# These notes can probably safely be removed in 5.005_50 and beyond.
#
# 9 April 1999 Andy Dougherty <doughera@lafayette.edu>
#
esac
case "$optimize" in
-'') optimize='-O2' ;;
+'') # If we have modern enough gcc and well-supported enough CPU,
+ # crank up the optimization level.
+ case "`${cc:-gcc} -v 2>&1`" in
+ *gcc-2.95*|*gcc-3.*)
+ case "`arch 2>&1`" in
+ i?86|ppc) optimize='-O3' ;;
+ esac
+ ;;
+ esac
+ case "$optimize" in
+ '') optimize='-O2' ;;
+ esac
+ ;;
esac
# Are we using ELF? Thanks to Kenneth Albanowski <kjahds@kjahds.com>
exit(0); /* succeed (yes, it's ELF) */
}
EOM
-if ${cc:-gcc} try.c >/dev/null 2>&1 && ./a.out; then
+if ${cc:-gcc} 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/bash -c exit; then
+if /bin/sh -c exit; then
echo ''
echo 'You appear to have a working bash. Good.'
else
# For this reason I suggest using the much bug-fixed tcsh for globbing
# where available.
-if [ ! "`csh -c 'echo $version' 2>/dev/null`" ]
-then
- echo 'Real csh found (might break); looking for tcsh ...'
- # Use ./UU/loc to find tcsh. (We no longer run in the hints/ directory)
+# November 2001: That warning's pretty old now and probably not so
+# relevant, especially since perl now uses File::Glob for globbing.
+# We'll still look for tcsh, but tone down the warnings.
+# Andy Dougherty, Nov. 6, 2001
+if $csh -c 'echo $version' >/dev/null 2>&1; then
+ echo 'Your csh is really tcsh. Good.'
+else
if xxx=`./UU/loc tcsh blurfl $pth`; $test -f "$xxx"; then
echo "Found tcsh. I'll use it for globbing."
# We can't change Configure's setting of $csh, due to the way
# Configure handles $d_portable and commands found in $loclist.
# We can set the value for CSH in config.h by setting full_csh.
full_csh=$xxx
- else
- echo "Couldn't find tcsh. BEWARE: GLOBBING MIGHT BE BROKEN."
+ elif [ -f "$csh" ]; then
+ echo "Couldn't find tcsh. Csh-based globbing might be broken."
fi
-else
- echo 'Your csh is really tcsh. Good.'
fi
# Shimpei Yamashita <shimpei@socrates.patnet.caltech.edu>
;;
esac
EOCBU
+
+cat > UU/uselargefiles.cbu <<'EOCBU'
+# This script UU/uselargefiles.cbu will get 'called-back' by Configure
+# after it has prompted the user for whether to use large files.
+case "$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