Do not use the Perl malloc in IRIX, suggested by

[perl5.git] / hints / irix_6.sh

diff --git a/hints/irix_6.sh b/hints/irix_6.sh
index 7139c85..6f4ca17 100644 (file)
--- a/hints/irix_6.sh
+++ b/hints/irix_6.sh
@@ -32,11 +32,13 @@
 # Don't bother with -n32 unless you have the 7.1 or later compilers.
 #     But there's no quick and light-weight way to check in 6.2.
 
-# NOTE: some IRIX cc versions, e.g. 7.3.1.1m (try cc -version)
-# have been known to have issues (coredumps) when compiling perl.c.
-# Dropping optimization to -O2 and removing -LNO,-INLINE, etc,
-# and most importantly removing -OPT:fast_IO=ON, has been known
-# to help. -- Allen Smith <easmith@beatrice.rutgers.edu>
+# NOTE: some IRIX cc versions, e.g. 7.3.1.1m (try cc -version) have
+# been known to have issues (coredumps) when compiling perl.c.
+# If you've used -OPT:fast_io=ON and this happens, try removing it.
+# If that fails, or you didn't use that, then try adjusting other
+# optimization options (-LNO, -INLINE, -O3 to -O2, etcetera).
+# The compiler bug has been reported to SGI.
+# -- Allen Smith <easmith@beatrice.rutgers.edu>
 
 # Let's assume we want to use 'cc -n32' by default, unless the
 # necessary libm is missing (which has happened at least twice)
@@ -46,7 +48,13 @@ case "$cc" in
     *) test -f /usr/lib32/libm.so && cc='cc -n32' ;;
     esac       
 esac
-test -z "$cc" && cc=cc
+
+cc=${cc:-cc}
+
+case "$cc" in
+*gcc*) ;;
+*) ccversion=`cc -version` ;;
+esac
 
 case "$use64bitint" in
 $define|true|[yY]*)
@@ -109,7 +117,7 @@ esac'
        libc='/usr/lib32/libc.so'
        plibpth='/usr/lib32 /lib32 /usr/ccs/lib'
        ;;
-*"cc -64")
+*"cc -64"*)
 
        loclibpth="$loclibpth /usr/lib64"
        libscheck='case "`/usr/bin/file $xxx`" in
@@ -154,7 +162,7 @@ esac
 
 # Settings common to both native compiler modes.
 case "$cc" in
-*"cc -n32"|*"cc -64")
+*"cc -n32"*|*"cc -64"*)
        ld=$cc
 
        # perl's malloc can return improperly aligned buffer
@@ -232,8 +240,10 @@ esac
 # Don't groan about unused libraries.
 ldflags="$ldflags -Wl,-woff,84"
 
+# workaround for an optimizer bug
 case "`$cc -version 2>&1`" in
-*7.2.*) op_cflags='optimize=-O1' ;; # workaround for an optimizer bug
+*7.2.*)   op_cflags='optimize=-O1'; opmini_cflags='optimize=-O1' ;;
+*7.3.1.*) op_cflags='optimize=-O2'; opmini_cflags='optimize=-O2' ;;
 esac
 
 # We don't want these libraries.
@@ -324,3 +334,15 @@ EOCBU
 
 # The -n32 makes off_t to be 8 bytes, so we should have largefileness.
 
+# Until we figure out what to be probe for in Configure (ditto for hpux.sh)
+case "$usemorebits" in # Need to expand this now, then.
+$define|true|[yY]*) use64bitint="$define"; uselongdouble="$define" ;;
+esac
+case "$use64bitint" in
+$define|true|[yY]*) ;;
+*) d_casti32='undef' ;;
+esac
+
+# Helmut Jarausch reports that Perl's malloc is rather unusable
+# with IRIX, and SGI confirms the problem.
+usemymalloc=${usemymalloc:-false}