If --with-arch-32= is used to configure GCC, it should be used to
compile 32-bit x86 libatomic library. Since --with-arch for 64-bit
> i486, we can use it for 32-bit target library.
Tested on x86-64, with and without --with-arch=. OK for stage 1?
H.J.
--
PR target/70454
* configure.tgt: Use --with-arch=/--with-arch-32= for 32-bit
x86 target library.
---
libatomic/configure.tgt | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/libatomic/configure.tgt b/libatomic/configure.tgt
index c5470d7..345c02b 100644
--- a/libatomic/configure.tgt
+++ b/libatomic/configure.tgt
@@ -83,8 +83,12 @@ case "${target_cpu}" in
x86_64)
case " ${CC} ${CFLAGS} " in
*" -m32 "*)
- XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic"
- XCFLAGS="${XCFLAGS} -fomit-frame-pointer"
+ # Since --with-arch for 64-bit > i486, we can use it for
+ # for 32-bit.
+ if test -z "$with_arch_32" && test -z "$with_arch"; then
+ XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic"
+ XCFLAGS="${XCFLAGS} -fomit-frame-pointer"
+ fi
;;
*)
;;
--
2.5.5
