Noticed that the config for the new atomic builtins was not correct for
targets that did not do link tests. (ie x86-x-cris-elf). Fixed as
follows.
tested x86/linux
tested x86/linux x cris-elf
-benjamin
2012-02-17 Benjamin Kosnik <b...@redhat.com>
PR libstdc++/51798 continued.
* acinclude.m4 (GLIBCXX_ENABLE_ATOMIC_BUILTINS): Grep for
__atomic_, not __sync.
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index 46a5532..b832527 100644
--- a/libstdc++-v3/acinclude.m4
+++ b/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
