attr-weakref-1.c: Skip on AIX.

* gcc.dg/attr-weakref-1.c: Skip on AIX.
* gcc.dg/torture/pr53922.c: Skip on AIX.
* lib/file-format.exp (gcc_target_object_format): AIX is COFF.

From-SVN: r202261

gcc/testsuite/ChangeLog

+2013-09-04  David Edelsohn  <dje.gcc@gmail.com>
+
+	* gcc.dg/attr-weakref-1.c: Skip on AIX.
+	* gcc.dg/torture/pr53922.c: Skip on AIX.
+	* lib/file-format.exp (gcc_target_object_format): AIX is COFF.
+
 2013-09-04  Teresa Johnson  <tejohnson@google.com>
 
 	* gcc.dg/unroll_1.c: Test dumping to stderr.

gcc/testsuite/gcc.dg/attr-weakref-1.c

@@ -4,7 +4,7 @@
 // This test requires support for undefined weak symbols.  This support
 // is not available on hppa*-*-hpux*.  The test is skipped rather than
 // xfailed to suppress the warning that would otherwise arise.
-// { dg-skip-if "" { "*-*-darwin*" "hppa*-*-hpux*" } "*" { "" } }
+// { dg-skip-if "" { "*-*-darwin*" "hppa*-*-hpux*" "*-*-aix*" } "*" { "" } }
 // For kernel modules and static RTPs, the loader treats undefined weak
 // symbols in the same way as undefined strong symbols.  The test
 // therefore fails to load, so skip it.

gcc/testsuite/gcc.dg/torture/pr53922.c

 /* { dg-do run } */
 /* { dg-require-weak "" } */
 /* { dg-skip-if "No undefined" { *-*-mingw* } { "*" } { "" } } */
+/* { dg-skip-if "No undefined weak" { *-*-aix* } { "*" } { "" } } */
 /* { dg-skip-if "No undefined weak" { hppa*-*-hpux* && { ! lp64 } } { "*" } { "" } } */
 /* { dg-options "-Wl,-undefined,dynamic_lookup" { target *-*-darwin* } } */
 

gcc/testsuite/lib/file-format.exp

@@ -38,6 +38,9 @@ proc gcc_target_object_format { } {
 	} else {
 	  set gcc_target_object_format_saved som
 	}
+    } elseif { [istarget *-*-aix*] } {
+	# AIX doesn't necessarily have objdump, so hand-code it.
+	set gcc_target_object_format_saved coff
     } else {
         set objdump_name [find_binutils_prog objdump]
         set open_file [open objfmtst.c w]