# original from Krishna Sethuraman, krishna@sgi.com
#
# Modified Mon Jul 22 14:52:25 EDT 1996
-# Andy Dougherty <doughera@lafcol.lafayette.edu>
+# Andy Dougherty <doughera@lafayette.edu>
# with help from Dean Roehrich <roehrich@cray.com>.
# cc -n32 update info from Krishna Sethuraman, krishna@sgi.com.
# additional update from Scott Henry, scotth@sgi.com
# 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.
# 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
$define|true|[yY]*)
case "`uname -s`" in
# has prompted the user for the C compiler to use.
case "$cc" in
-*gcc*) ;;
+*gcc*)
+ # With cc we can use -c99, but with gcc we just can't use C99 headers.
+ # (There is a hidden define __c99 that cc uses, but trying to use that
+ # with gcc leads into magnificent explosions.)
+ i_stdint='undef'
+ ;;
*) ccversion=`cc -version 2>&1` ;;
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)
test -z "$plibpth" && plibpth='/usr/lib64 /lib64 /usr/ccs/lib'
;;
*gcc*)
- ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -D_POSIX_C_SOURCE"
+ 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="$ccflags -DIRIX32_SEMUN_BROKEN_BY_GCC"
+ # XXX Note: It is possible that turning off usemallocwrap is
+ # needed here; insufficient data! - Allen
;;
esac
;;
# Warnings to turn off because the source code hasn't
# been cleaned up enough yet to satisfy the IRIX cc.
+ # 1047: macro redefinitions (in IRIX' own system headers!)
# 1184: "=" is used where where "==" may have been intended.
# 1552: The variable "foobar" is set but never used.
woff=1184,1552
'-O') optimize='-O3 -OPT:Olimit=0:space=ON' ;;
*) ;;
esac
+ # Perl source has just grown too chummy with c99
+ # (headerwise, not code-wise: we use <stdint.h> and such)
+ ccflags="$ccflags -c99"
;;
*6.2*) # Ragnarok 6.2
ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff"
;;
esac
+
+# Workaround [perl #33849]: perl 5.8.6 fails to build on IRIX 6.5 due to
+# bizarre preprocessor bug: cc -E - unfortunately goes into K&R mode, but
+# cc -E file.c doesn't. Force a wrapper to always get the ANSI mode.
+# (We only need to do this for cc, not for gcc. ccversion is computed above.)
+case "$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="$cppstdin"
+ ;;
+esac
+
+# There is a devious bug in the MIPSpro 7.4 compiler:
+# memcmp() is an inlined intrinsic, and "sometimes" it gets compiled wrong.
+#
+# In Perl the most obvious hit is regcomp.c:S_regpposixcc(),
+# causing bus errors when compiling the POSIX character classes like
+# /[[:digit:]], which means that miniperl cannot build perl.
+# (That is almost only the one victim: one single test in re/pat fails, also.)
+#
+# Therefore let's turn the inline intrinsics off and let the normal
+# libc versions be used instead. This may cause a performance hit
+# but a little slower is better than zero speed.
+#
+# MIPSpro C 7.4.1m is supposed to have fixed this bug.
+#
+case "$ccversion" in
+"MIPSpro Compilers: Version 7.4")
+ ccflags="$ccflags -U__INLINE_INTRINSICS"
+ ;;
+esac
+
EOCCBU
# End of cc.cbu callback unit. - Allen
# We don't want these libraries.
# Socket networking is in libc, these are not installed by default,
# and just slow perl down. (scotth@sgi.com)
-set `echo X "$libswanted "|sed -e 's/ socket / /' -e 's/ nsl / /' -e 's/ dl / /'`
+# librt contains nothing we need (some places need it for Time::HiRes) --jhi
+set `echo X "$libswanted "|sed -e 's/ socket / /' -e 's/ nsl / /' -e 's/ dl / /' -e 's/ rt / /'`
shift
libswanted="$*"
*) ldflags="$ldflags -Wl,-woff,84" ;;
esac
+# IRIX freeware kits sometimes have only o32 libraries for gdbm.
+# You can try Configure ... -Dlibswanted='m' -Dnoextensions='GDBM_File'
+# since the libm seems to be pretty much the only really needed library.
+
# Irix 6.5.6 seems to have a broken header <sys/mode.h>
# don't include that (it doesn't contain S_IFMT, S_IFREG, et al)
#define sPRIfldbl $sPRIfldbl
-#define I_STDLIB $i_stdlib
-#ifdef I_STDLIB
#include <stdlib.h>
-#endif
int main()
{
#define sPRIfldbl $sPRIfldbl
-#define I_STDLIB $i_stdlib
-#ifdef I_STDLIB
#include <stdlib.h>
-#endif
int main()
{
# Helmut Jarausch reports that Perl's malloc is rather unusable
# with IRIX, and SGI confirms the problem.
usemymalloc=${usemymalloc:-false}
+
+# Configure finds <fcntl.h> but then thinks it can use <sys/file.h>
+# instead; in IRIX this is not true because the prototype of fcntl()
+# requires explicit include of <fcntl.h>
+i_fcntl=define
+
+# There is <prctl.h> but it's not the Linux one that Configure expects.
+d_prctl="$undef"