Don't use warning checking macro with sun compiler

ChangeLog

@@ -1,3 +1,10 @@
+2013-01-10  Anthony Green  <green@moxielogic.com>
+
+	* m4/ax_compiler_vendor.m4: New file.
+	* configure.ac: Test for compiler vendor and don't use
+	AX_CFLAGS_WARN_ALL with the sun compiler.
+	* aclocal.m4, configure: Rebuilt.
+
 2013-01-10  Anthony Green  <green@moxielogic.com>
 
 	* include/ffi_common.h: Don't use GCCisms to define types when

configure

@@ -6898,14 +6898,7 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    case `/usr/bin/file conftest.o` in
+	    LD="${LD-ld} -m elf_i386"
-	      *x86-64*)
-	         LD="${LD-ld} -m elf32_x86_64"
-	         ;;
-	      *)
-	         LD="${LD-ld} -m elf_i386"
-	         ;;
-	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -8518,10 +8511,6 @@ _lt_linker_boilerplate=`cat conftest.err`
 $RM -r conftest*
 
 
-## CAVEAT EMPTOR:
-## There is no encapsulation within the following macros, do not change
-## the running order or otherwise move them around unless you know exactly
-## what you are doing...
 if test -n "$compiler"; then
 
 lt_prog_compiler_no_builtin_flag=
@@ -12973,7 +12962,10 @@ fi
 
 fi
 
-if ${CFLAGS+:} false; then :
+# The AX_CFLAGS_WARN_ALL macro doesn't currently work for sunpro
+# compiler.
+if test "$ax_cv_c_compiler_vendor" != "sun"; then
+  if ${CFLAGS+:} false; then :
   case " $CFLAGS " in
     *"  "*)
       { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains "; } >&5
@@ -13066,6 +13058,8 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
+fi
+
 if test "x$GCC" = "xyes"; then
   CFLAGS="$CFLAGS -fexceptions"
   touch local.exp
@@ -14314,40 +14308,7 @@ $as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
  esac
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler .cfi pseudo-op support" >&5
+GCC_AS_CFI_PSEUDO_OP
-$as_echo_n "checking assembler .cfi pseudo-op support... " >&6; }
-if ${gcc_cv_as_cfi_pseudo_op+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-
-    gcc_cv_as_cfi_pseudo_op=unknown
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-asm (".cfi_startproc\n\t.cfi_endproc");
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  gcc_cv_as_cfi_pseudo_op=yes
-else
-  gcc_cv_as_cfi_pseudo_op=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_cfi_pseudo_op" >&5
-$as_echo "$gcc_cv_as_cfi_pseudo_op" >&6; }
- if test "x$gcc_cv_as_cfi_pseudo_op" = xyes; then
-
-$as_echo "#define HAVE_AS_CFI_PSEUDO_OP 1" >>confdefs.h
-
- fi
-
 
 if test x$TARGET = xSPARC; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler and linker support unaligned pc related relocs" >&5

configure.ac

@@ -36,8 +36,14 @@ AM_PROG_CC_C_O
 AC_PROG_LIBTOOL
 AC_CONFIG_MACRO_DIR([m4])
 
+AX_COMPILER_VENDOR
 AX_CC_MAXOPT
-AX_CFLAGS_WARN_ALL
+# The AX_CFLAGS_WARN_ALL macro doesn't currently work for sunpro
+# compiler.
+if test "$ax_cv_c_compiler_vendor" != "sun"; then
+  AX_CFLAGS_WARN_ALL
+fi
+
 if test "x$GCC" = "xyes"; then
   CFLAGS="$CFLAGS -fexceptions"
   touch local.exp