Restrict -Wa,-nH use to Solaris (PR libstdc++/55594)

	PR libstdc++/55594
	* acinclude.m4 (GLIBCXX_CHECK_ASSEMBLER_HWCAP): Restrict test to
	Solaris targets.
	* configure: Regenerate.

From-SVN: r195009

libstdc++-v3/ChangeLog

+2013-01-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	PR libstdc++/55594
+	* acinclude.m4 (GLIBCXX_CHECK_ASSEMBLER_HWCAP): Restrict test to
+	Solaris targets.
+	* configure: Regenerate.
+
 2013-01-07  Jonathan Wakely  <jwakely.gcc@gmail.com>
 
 	PR libstdc++/55847

libstdc++-v3/acinclude.m4

@@ -178,6 +178,10 @@ dnl
 AC_DEFUN([GLIBCXX_CHECK_ASSEMBLER_HWCAP], [
   test -z "$HWCAP_FLAGS" && HWCAP_FLAGS=''
 
+  # Restrict the test to Solaris, other assemblers (e.g. AIX as) have -nH
+  # with a different meaning.
+  case ${target_os} in
+    solaris2*)
       ac_save_CFLAGS="$CFLAGS"
       CFLAGS="$CFLAGS -Wa,-nH"
 
@@ -189,6 +193,8 @@ AC_DEFUN([GLIBCXX_CHECK_ASSEMBLER_HWCAP], [
       AC_MSG_RESULT($ac_hwcap_flags)
 
       CFLAGS="$ac_save_CFLAGS"
+      ;;
+  esac
 
   AC_SUBST(HWCAP_FLAGS)
 ])

libstdc++-v3/configure

@@ -70790,6 +70790,10 @@ esac
 
   test -z "$HWCAP_FLAGS" && HWCAP_FLAGS=''
 
+  # Restrict the test to Solaris, other assemblers (e.g. AIX as) have -nH
+  # with a different meaning.
+  case ${target_os} in
+    solaris2*)
       ac_save_CFLAGS="$CFLAGS"
       CFLAGS="$CFLAGS -Wa,-nH"
 
@@ -70819,6 +70823,8 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 $as_echo "$ac_hwcap_flags" >&6; }
 
       CFLAGS="$ac_save_CFLAGS"
+      ;;
+  esac