# has prompted the user for the C compiler to use.
case "$cc" in
-*gcc*) ;;
+*gcc*)
+ # With cc we can use -c99, but with gcc we just can't use C99 headers.
+ # (There is a hidden define __c99 that cc uses, but trying to use that
+ # with gcc leads into magnificent explosions.)
+ i_stdint='undef'
+ ;;
*) ccversion=`cc -version 2>&1` ;;
esac
case "`uname -s`" in
# Without the -mabi=64 gcc in 64-bit IRIX has problems passing
# and returning small structures. This affects inet_*() and semctl().
- # See http://reality.sgi.com/ariel/freeware/gcc-2.8.1-notes.html
+ # See http://groups.google.com/group/comp.sys.sgi.admin/msg/3ad8353bc4ce3cb0
# for more information. Reported by Lionel Cons <lionel.cons@cern.ch>.
IRIX64) ccflags="$ccflags -mabi=64"
ldflags="$ldflags -mabi=64 -L/usr/lib64"
# Warnings to turn off because the source code hasn't
# been cleaned up enough yet to satisfy the IRIX cc.
+ # 1047: macro redefinitions (in IRIX' own system headers!)
# 1184: "=" is used where where "==" may have been intended.
# 1552: The variable "foobar" is set but never used.
woff=1184,1552
'-O') optimize='-O3 -OPT:Olimit=0:space=ON' ;;
*) ;;
esac
+ # Perl source has just grown too chummy with c99
+ # (headerwise, not code-wise: we use <stdint.h> and such)
+ ccflags="$ccflags -c99"
;;
*6.2*) # Ragnarok 6.2
ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff"
# (We only need to do this for cc, not for gcc. ccversion is computed above.)
case "$ccversion" in
'') ;; # gcc. Do nothing.
-*) cppstdin=`pwd`/cppstdin
+*) # 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="$ccflags -U__INLINE_INTRINSICS"
+ ;;
+esac
+
EOCCBU
# End of cc.cbu callback unit. - Allen
*) ldflags="$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"