diff options
Diffstat (limited to 'libitm')
| -rw-r--r-- | libitm/configure.tgt | 37 |
1 files changed, 17 insertions, 20 deletions
diff --git a/libitm/configure.tgt b/libitm/configure.tgt index 6ac206f..a3d8489 100644 --- a/libitm/configure.tgt +++ b/libitm/configure.tgt @@ -59,16 +59,23 @@ case "${target_cpu}" in arm*) ARCH=arm ;; - i[3456]86) - case " ${CC} ${CFLAGS} " in - *" -m64 "*|*" -mx32 "*) - ;; - *) - if test -z "$with_arch"; then - XCFLAGS="${XCFLAGS} -march=i486 -mtune=${target_cpu}" - XCFLAGS="${XCFLAGS} -fomit-frame-pointer" - fi - esac + i[3456]86 | x86_64) + cat > conftestx.c <<EOF +#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 +#error need -march=i486 +#endif +EOF + if ${CC} ${CFLAGS} -E conftestx.c > /dev/null 2>&1; then + : + else + if test "${target_cpu}" = x86_64; then + XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic" + else + XCFLAGS="${XCFLAGS} -march=i486 -mtune=${target_cpu}" + fi + XCFLAGS="${XCFLAGS} -fomit-frame-pointer" + fi + rm -f conftestx.c XCFLAGS="${XCFLAGS} -mrtm" ARCH=x86 ;; @@ -103,16 +110,6 @@ case "${target_cpu}" in ARCH=sparc ;; - x86_64) - case " ${CC} ${CFLAGS} " in - *" -m32 "*) - XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic" - XCFLAGS="${XCFLAGS} -fomit-frame-pointer" - ;; - esac - XCFLAGS="${XCFLAGS} -mrtm" - ARCH=x86 - ;; s390|s390x) XCFLAGS="${XCFLAGS} -mzarch -mhtm" ARCH=s390 |