# do the implicit mapping.
ignore_versioned_solibs='y'
-# BSD compatability library no longer needed
-# 'kaffe' has a /usr/lib/libnet.so which is not at all relevent for perl.
-set `echo X "$libswanted "| sed -e 's/ bsd / /' -e 's/ net / /'`
+# BSD compatibility library no longer needed
+# 'kaffe' has a /usr/lib/libnet.so which is not at all relevant for perl.
+# bind causes issues with several reentrant functions
+set `echo X "$libswanted "| sed -e 's/ bsd / /' -e 's/ net / /' -e 's/ bind / /'`
shift
libswanted="$*"
# function in <sys/stat.h>.
d_lstat=define
+# malloc wrap works
+case "$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
# 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"*|*"Intel(R) C Compiler"*)
# This is needed for Configure's prototype checks to work correctly
- ccflags="-we147 $ccflags"
+ # The -mp flag is needed to pass various floating point related tests
+ # The -no-gcc flag is needed otherwise, icc pretends (poorly) to be gcc
+ ccflags="-we147 -mp -no-gcc $ccflags"
# If we're using ICC, we usually want the best performance
case "$optimize" in
'') optimize='-O3' ;;
esac
;;
+*"Sun C"*)
+ optimize='-xO2'
+ cccdlflags='-KPIC'
+ lddlflags='-G -Bdynamic'
+ # Sun C doesn't support gcc attributes, but, in many cases, doesn't
+ # complain either. Not all cases, though.
+ d_attribute_format='undef'
+ d_attribute_malloc='undef'
+ d_attribute_nonnull='undef'
+ d_attribute_noreturn='undef'
+ d_attribute_pure='undef'
+ d_attribute_unused='undef'
+ d_attribute_warn_unused_result='undef'
+ ;;
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
+# use -O2 by default ; -O3 doesn't seem to bring significant benefits with gcc
+'')
+ optimize='-O2'
+ case "`uname -m`" in
+ ppc*)
+ # on ppc, it seems that gcc (at least gcc 3.3.2) isn't happy
+ # with -O2 ; so downgrade to -O1.
+ optimize='-O1'
+ ;;
+ ia64*)
+ # This architecture has had various problems with gcc's
+ # in the 3.2, 3.3, and 3.4 releases when optimized to -O2. See
+ # RT #37156 for a discussion of the problem.
+ case "`${cc:-gcc} -v 2>&1`" in
+ *"version 3.2"*|*"version 3.3"*|*"version 3.4"*)
+ ccflags="-fno-delete-null-pointer-checks $ccflags"
+ ;;
+ esac
;;
- esac
- case "$optimize" in
- '') optimize='-O2' ;;
esac
;;
esac
/* 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);
#'osfmach3ppc') ccdlflags='-Wl,-E' ;;
#esac
-case "`uname -r`" in
-sparc-linux)
+case "`uname -m`" in
+sparc*)
case "$cccdlflags" in
*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
+ *-fPIC*) ;;
*) cccdlflags="$cccdlflags -fPIC" ;;
esac
;;
case "$usethreads" in
$define|true|[yY]*)
ccflags="-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS $ccflags"
- set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
- shift
- libswanted="$*"
+ if echo $libswanted | grep -v pthread >/dev/null
+ then
+ set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
+ shift
+ libswanted="$*"
+ fi
# Somehow at least in Debian 2.2 these manage to escape
# the #define forest of <features.h> and <time.h> so that
;;
esac
EOCBU
+
+# Purify fails to link Perl if a "-lc" is passed into its linker
+# due to duplicate symbols.
+case "$PURIFY" in
+$define|true|[yY]*)
+ set `echo X "$libswanted "| sed -e 's/ c / /'`
+ shift
+ libswanted="$*"
+ ;;
+esac
+
+# If we are using g++ we must use nm and force ourselves to use
+# the /usr/lib/libc.a (resetting the libc below to an empty string
+# makes Configure to look for the right one) because the symbol
+# scanning tricks of Configure will crash and burn horribly.
+case "$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
+*g++*)
+ d_dlopen='define'
+ d_dlerror='define'
+ ;;
+esac
+
+# Under some circumstances libdb can get built in such a way as to
+# need pthread explicitly linked.
+
+libdb_needs_pthread="N"
+
+if echo " $libswanted " | grep -v " pthread " >/dev/null
+then
+ if echo " $libswanted " | grep " db " >/dev/null
+ then
+ for DBDIR in $glibpth
+ do
+ DBLIB="$DBDIR/libdb.so"
+ if [ -f $DBLIB ]
+ then
+ if nm -u $DBLIB | grep pthread >/dev/null
+ then
+ if ldd $DBLIB | grep pthread >/dev/null
+ then
+ libdb_needs_pthread="N"
+ else
+ libdb_needs_pthread="Y"
+ fi
+ fi
+ fi
+ done
+ fi
+fi
+
+case "$libdb_needs_pthread" in
+ "Y")
+ libswanted="$libswanted pthread"
+ ;;
+esac
projects / p5sagit/p5-mst-13.2.git / blobdiff