typeof-2.c: Needs aliases as well as weak.

	* gcc.dg/weak/typeof-2.c: Needs aliases as well as weak.
	* gcc.dg/weak/weak-3.c: Likewise.
	* gcc.dg/weak/weak-5.c: Likewise.
	* gcc.dg/weak/weak-9.c: Likewise.
	* lib/file-format.exp (gcc_target_object_format): Darwin has Mach-O.
	* lib/target-supports.exp (check_weak_available): Mach-O does weak.

From-SVN: r89723

gcc/testsuite/ChangeLog

 2004-10-27  Geoffrey Keating  <geoffk@apple.com>
 
+	* gcc.dg/weak/typeof-2.c: Needs aliases as well as weak.
+	* gcc.dg/weak/weak-3.c: Likewise.
+	* gcc.dg/weak/weak-5.c: Likewise.
+	* gcc.dg/weak/weak-9.c: Likewise.
+	* lib/file-format.exp (gcc_target_object_format): Darwin has Mach-O.
+	* lib/target-supports.exp (check_weak_available): Mach-O does weak.
+
 	* gcc.dg/darwin-weakimport-1.c: New.
 
 2004-10-28  Ben Elliston  <bje@au.ibm.com>

gcc/testsuite/gcc.dg/weak/typeof-2.c

 /* Test typeof with __asm redirection. */
 /* { dg-do compile } */
 /* { dg-require-weak "" } */
+/* { dg-require-alias "" } */
 /* { dg-options "-O2" } */
 
 extern int foo1 (int x) __asm ("baz1");

gcc/testsuite/gcc.dg/weak/weak-3.c

 /* { dg-do compile } */
+/* { dg-require-alias "" } */
 /* { dg-require-weak "" } */
 /* { dg-options "-fno-common" } */
 

gcc/testsuite/gcc.dg/weak/weak-5.c

 /* { dg-do compile } */
 /* { dg-require-weak "" } */
+/* { dg-require-alias "" } */
 /* { dg-options "-fno-common" } */
 
 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?vfoo1a" } } */

gcc/testsuite/gcc.dg/weak/weak-9.c

 /* { dg-do compile } */
 /* { dg-require-weak "" } */
+/* { dg-require-alias "" } */
 /* { dg-options "-fno-common" } */
 
 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?f1" } } */

gcc/testsuite/lib/file-format.exp

@@ -24,10 +24,14 @@
 
 proc gcc_target_object_format { } { 
     global gcc_target_object_format_saved
+    global target_triplet
     global tool
 
     if [info exists gcc_target_object_format_saved] {
         verbose "gcc_target_object_format returning saved $gcc_target_object_format_saved" 2
+    } elseif { [string match "*-*-darwin*" $target_triplet] } {
+	# Darwin doesn't necessarily have objdump, so hand-code it.
+	set gcc_target_object_format_saved mach-o
     } else {
         set objdump_name [find_binutils_prog objdump]
         set open_file [open objfmtst.c w]

gcc/testsuite/lib/target-supports.exp

@@ -57,6 +57,7 @@ proc check_weak_available { } {
         elf      { return 1 }
         ecoff    { return 1 }
         a.out    { return 1 }
+	mach-o	 { return 1 }
         unknown  { return -1 }
         default  { return 0 }
     }