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-rw-r--r--gcc/configure.ac11
1 files changed, 10 insertions, 1 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac
index c7e49c0..7edb522 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -2706,7 +2706,16 @@ foo: nop
case $target in
*-*-aix*) conftest_s=' .csect .text[[PR]]
mfcr 3,128';;
- *-*-darwin*) conftest_s=' .text
+ *-*-darwin*)
+ gcc_GAS_CHECK_FEATURE([.machine directive support],
+ gcc_cv_as_machine_directive,,,
+ [ .machine ppc7400])
+ if test x$gcc_cv_as_machine_directive != xyes; then
+ echo "*** This target requires an assembler supporting \".machine\"" >&2
+ echo you can get it from: ftp://gcc.gnu.org/pub/gcc/infrastructure/cctools-528.5.dmg >&2
+ test x$build = x$target && exit 1
+ fi
+ conftest_s=' .text
mfcr r3,128';;
*) conftest_s=' .machine power4
.text