X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/1973dd96bef9ac903e8ae60907e63e38e591ff1a..2823ea9b50ecf90078608b65b330273292d4304e:/hints/irix_6.sh

diff --git a/hints/irix_6.sh b/hints/irix_6.sh
index 51a4d75..e36d643 100644
--- a/hints/irix_6.sh
+++ b/hints/irix_6.sh
@@ -26,6 +26,8 @@
 
 # 64-bitty by Jarkko Hietaniemi on 9/1998
 
+# Martin Pool added -shared for gcc on 2004-01-27
+
 # Use   sh Configure -Dcc='cc -n32' to try compiling with -n32.
 #     or -Dcc='cc -n32 -mips3' (or -mips4) to force (non)portability
 # Don't bother with -n32 unless you have the 7.1 or later compilers.
@@ -39,6 +41,9 @@
 # The compiler bug has been reported to SGI.
 # -- Allen Smith <allens@cpan.org>
 
+# Modified (10/30/04) to turn off usemallocwrap (PERL_MALLOC_WRAP) in -n32
+# mode - Allen.
+
 case "$use64bitall" in
 $define|true|[yY]*)
     case "`uname -s`" in
@@ -138,7 +143,15 @@ esac'
        test -z "$lddlflags" && lddlflags="-n32 -shared"
        test -z "$libc" && libc='/usr/lib32/libc.so'
        test -z "$plibpth" && plibpth='/usr/lib32 /lib32 /usr/ccs/lib'
-	;;
+
+       # PERL_MALLOC_WRAP gives false alarms ("panic: memory wrap") in IRIX
+       # -n32 mode, resulting in perl compiles never getting further than
+       # miniperl. I am not sure whether it actually does any good in -32 or
+       # -64 mode, especially the latter, but it does not give false
+       # alarms (in testing). -Allen
+
+       usemallocwrap=${usemallocwrap:-false}
+       ;;
 *"cc -64"*)
     case "`uname -s`" in
     IRIX)
@@ -173,16 +186,21 @@ esac'
 	ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME"
        test -z "$optimize" && optimize="-O3"
 	usenm='undef'
+	# It seems gcc can build Irix shlibs, but of course it needs
+	# -shared.  Otherwise you get link errors looking for main().
+	lddlflags="$lddlflags -shared"
 	case "`uname -s`" in
 	# Without the -mabi=64 gcc in 64-bit IRIX has problems passing
 	# and returning small structures.  This affects inet_*() and semctl().
-	# See http://reality.sgi.com/ariel/freeware/gcc-2.8.1-notes.html
+	# See http://groups.google.com/group/comp.sys.sgi.admin/msg/3ad8353bc4ce3cb0
 	# for more information.  Reported by Lionel Cons <lionel.cons@cern.ch>.
 	IRIX64)	ccflags="$ccflags -mabi=64"
 		ldflags="$ldflags -mabi=64 -L/usr/lib64"
 		lddlflags="$lddlflags -mabi=64"
 		;;
 	*)	ccflags="$ccflags -DIRIX32_SEMUN_BROKEN_BY_GCC"
+                # XXX Note: It is possible that turning off usemallocwrap is
+                # needed here; insufficient data! - Allen
 		;;
 	esac
 	;;
@@ -319,6 +337,20 @@ case "`$cc -version 2>&1`" in
     ;;
 esac
 
+
+# Workaround [perl #33849]: perl 5.8.6 fails to build on IRIX 6.5 due to
+# bizarre preprocessor bug:  cc -E - unfortunately goes into K&R mode, but
+# cc -E file.c doesn't.  Force a wrapper to always get the ANSI mode.
+# (We only need to do this for cc, not for gcc.  ccversion is computed above.)
+case "$ccversion" in
+'')  ;; # gcc.  Do nothing.
+*)  # Inside this call-back unit, we are down in the UU/ subdirectory,
+    # but Configure will look for cppstdin one level up.
+    cd ..; cppstdin=`pwd`/cppstdin; cd UU
+    cpprun="$cppstdin"
+    ;;
+esac
+
 EOCCBU
 
 # End of cc.cbu callback unit. - Allen