# 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.
+# 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)
case "$cc" in
*) test -f /usr/lib32/libm.so && cc='cc -n32' ;;
esac
esac
+test -z "$cc" && cc=cc
case "$use64bitint" in
$define|true|[yY]*)
case "$cc" in
*"cc -n32"*)
- libscheck='case "`/usr/bin/file $xxx`" in
-*N32*) ;;
-*) xxx=/no/n32$xxx ;;
+ # If a library is requested to link against, make sure the
+ # objects in the library are of the same ABI we are compiling
+ # against. Albert Chin-A-Young <china@thewrittenword.com>
+ libscheck='case "$xxx" in
+*.a) /bin/ar p $xxx `/bin/ar t $xxx | /usr/bsd/head -1` >$$.o;
+ case "`/usr/bin/file $$.o`" in
+ *N32*) rm -f $$.o ;;
+ *) rm -f $$.o; xxx=/no/n32$xxx ;;
+ esac ;;
+*) case "`/usr/bin/file $xxx`" in
+ *N32*) ;;
+ *) xxx=/no/n32$xxx ;;
+ esac ;;
esac'
# NOTE: -L/usr/lib32 -L/lib32 are automatically selected by the linker
ld=$cc
# perl's malloc can return improperly aligned buffer
- # usemymalloc='undef'
-malloc_cflags='ccflags="-DSTRICT_ALIGNMENT $ccflags"'
+ # which (under 5.6.0RC1) leads into really bizarre bus errors
+ # and freak test failures (lib/safe1 #18, for example),
+ # even more so with -Duse64bitall: for example lib/io_linenumtb.
+ # fails under the harness but succeeds when run separately,
+ # under make test pragma/warnings #98 fails, and lib/io_dir
+ # apparently coredumps (the last two don't happen under
+ # the harness. Helmut Jarausch is seeing bus errors from
+ # miniperl, as was Scott Henry with snapshots from just before
+ # the RC1. --jhi
+ usemymalloc='undef'
+#malloc_cflags='ccflags="-DSTRICT_ALIGNMENT $ccflags"'
nm_opt='-p'
nm_so_opt='-p'
# Don't groan about unused libraries.
ldflags="$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.