PR libstdc++/51798 continued.

2012-02-17  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/51798 continued.
	* acinclude.m4 (GLIBCXX_ENABLE_ATOMIC_BUILTINS): Grep for
	__atomic_, not __sync.
	* configure: Regenerated.

From-SVN: r184350

libstdc++-v3/ChangeLog

 2012-02-17  Benjamin Kosnik  <bkoz@redhat.com>
 
+	PR libstdc++/51798 continued.
+	* acinclude.m4 (GLIBCXX_ENABLE_ATOMIC_BUILTINS): Grep for
+	__atomic_, not __sync.
+	* configure: Regenerated.
+	
+2012-02-17  Benjamin Kosnik  <bkoz@redhat.com>
+
 	PR libstdc++/47058
 	* acinclude.m4 (GLIBCXX_ENABLE_WERROR): New.
 	(GLIBCXX_EXPORT_FLAGS): Add -Wabi to WARN_FLAGS

libstdc++-v3/acinclude.m4

@@ -2824,7 +2824,7 @@ EOF
 
     AC_MSG_CHECKING([for atomic builtins for bool])
     if AC_TRY_EVAL(ac_compile); then
-      if grep __sync_ conftest.s >/dev/null 2>&1 ; then
+      if grep __atomic_ conftest.s >/dev/null 2>&1 ; then
 	glibcxx_cv_atomic_bool=no
       else
 	glibcxx_cv_atomic_bool=yes
@@ -2853,7 +2853,7 @@ EOF
 
     AC_MSG_CHECKING([for atomic builtins for short])
     if AC_TRY_EVAL(ac_compile); then
-      if grep __sync_ conftest.s >/dev/null 2>&1 ; then
+      if grep __atomic_ conftest.s >/dev/null 2>&1 ; then
 	glibcxx_cv_atomic_short=no
       else
 	glibcxx_cv_atomic_short=yes
@@ -2883,7 +2883,7 @@ EOF
 
     AC_MSG_CHECKING([for atomic builtins for int])
     if AC_TRY_EVAL(ac_compile); then
-      if grep __sync_ conftest.s >/dev/null 2>&1 ; then
+      if grep __atomic_ conftest.s >/dev/null 2>&1 ; then
 	glibcxx_cv_atomic_int=no
       else
 	glibcxx_cv_atomic_int=yes
@@ -2912,7 +2912,7 @@ EOF
 
     AC_MSG_CHECKING([for atomic builtins for long long])
     if AC_TRY_EVAL(ac_compile); then
-      if grep __sync_ conftest.s >/dev/null 2>&1 ; then
+      if grep __atomic_ conftest.s >/dev/null 2>&1 ; then
 	glibcxx_cv_atomic_long_long=no
       else
 	glibcxx_cv_atomic_long_long=yes

libstdc++-v3/configure

@@ -15322,7 +15322,7 @@ $as_echo_n "checking for atomic builtins for bool... " >&6; }
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-      if grep __sync_ conftest.s >/dev/null 2>&1 ; then
+      if grep __atomic_ conftest.s >/dev/null 2>&1 ; then
 	glibcxx_cv_atomic_bool=no
       else
 	glibcxx_cv_atomic_bool=yes
@@ -15357,7 +15357,7 @@ $as_echo_n "checking for atomic builtins for short... " >&6; }
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-      if grep __sync_ conftest.s >/dev/null 2>&1 ; then
+      if grep __atomic_ conftest.s >/dev/null 2>&1 ; then
 	glibcxx_cv_atomic_short=no
       else
 	glibcxx_cv_atomic_short=yes
@@ -15393,7 +15393,7 @@ $as_echo_n "checking for atomic builtins for int... " >&6; }
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-      if grep __sync_ conftest.s >/dev/null 2>&1 ; then
+      if grep __atomic_ conftest.s >/dev/null 2>&1 ; then
 	glibcxx_cv_atomic_int=no
       else
 	glibcxx_cv_atomic_int=yes
@@ -15428,7 +15428,7 @@ $as_echo_n "checking for atomic builtins for long long... " >&6; }
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-      if grep __sync_ conftest.s >/dev/null 2>&1 ; then
+      if grep __atomic_ conftest.s >/dev/null 2>&1 ; then
 	glibcxx_cv_atomic_long_long=no
       else
 	glibcxx_cv_atomic_long_long=yes