2004-10-18  Kelley Cook  <kcook@gcc.gnu.org>

	* configure.ac (powerpc-*-darwin*): Require assembler to support
	.machine directive.
	* configure: Regenerate.

Index: configure.ac
===================================================================
RCS file: /cvs/gcc/gcc/gcc/configure.ac,v
retrieving revision 2.76
diff -p -u -d -r2.76 configure.ac
--- configure.ac	15 Oct 2004 02:26:15 -0000	2.76
+++ configure.ac	18 Oct 2004 22:03:32 -0000
@@ -2695,9 +2695,17 @@ 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
+         exit 1
+       fi
+       conftest_s='	.text
 	mfcr r3,128';;
-      *)       conftest_s='	.machine power4
+      *) conftest_s='	.machine power4
 	.text
 	mfcr 3,128';;
     esac