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authorH.J. Lu <hongjiu.lu@intel.com>2008-04-17 13:36:31 +0000
committerH.J. Lu <hongjiu.lu@intel.com>2008-04-17 13:36:31 +0000
commit875c29bd56b93044d7a3b7ef98aba381d88bfd4a (patch)
treed292ba1c72f874d59e8a043988b53dbc20134013 /libstdc++-v3
parent634e7812376b062955ac72285a030559259f011f (diff)
Merged with trunk at revision 134359.
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/stack@134394 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3')
-rw-r--r--libstdc++-v3/ChangeLog11
-rw-r--r--libstdc++-v3/acinclude.m44
-rwxr-xr-xlibstdc++-v3/configure6
-rw-r--r--libstdc++-v3/include/bits/c++config3
4 files changed, 18 insertions, 6 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 0c6e5206916..fb3e6224579 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,14 @@
+2008-04-14 Benjamin Kosnik <bkoz@redhat.com>
+
+ PR libstdc++/35816
+ * acinclude.m4 (GLIBCXX_ENABLE_ATOMIC_BUILTINS): Set CXXFLAGS to
+ -O0 when checking for atomic builtins.
+ * configure: Regenerate.
+
+2008-04-14 Benjamin Kosnik <bkoz@redhat.com>
+
+ * include/bits/c++config: Guard _LDBL_ macros with __cplusplus.
+
2008-04-10 Benjamin Kosnik <bkoz@redhat.com>
* doc/html/*: Regenerate.
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index e1712b77d80..b25c5add572 100644
--- a/libstdc++-v3/acinclude.m4
+++ b/libstdc++-v3/acinclude.m4
@@ -2292,7 +2292,7 @@ int main()
}
EOF
old_CXXFLAGS="$CXXFLAGS"
- CXXFLAGS=-S
+ CXXFLAGS='-O0 -S'
if AC_TRY_EVAL(ac_compile); then
if grep __sync_fetch_and_add conftest.s >/dev/null 2>&1 ; then
enable_atomic_builtins=no
@@ -2303,6 +2303,7 @@ EOF
atomicity_dir=cpu/generic/atomicity_builtins
fi
fi
+ AC_MSG_RESULT($enable_atomic_builtins)
CXXFLAGS="$old_CXXFLAGS"
rm -f conftest*
@@ -2311,7 +2312,6 @@ EOF
atomicity_dir=cpu/generic/atomicity_mutex
fi
AC_LANG_RESTORE
- AC_MSG_RESULT($enable_atomic_builtins)
])
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 6e6e1996e62..8ce34b20a93 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -18104,7 +18104,7 @@ int main()
}
EOF
old_CXXFLAGS="$CXXFLAGS"
- CXXFLAGS=-S
+ CXXFLAGS='-O0 -S'
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
@@ -18122,6 +18122,8 @@ _ACEOF
atomicity_dir=cpu/generic/atomicity_builtins
fi
fi
+ echo "$as_me:$LINENO: result: $enable_atomic_builtins" >&5
+echo "${ECHO_T}$enable_atomic_builtins" >&6
CXXFLAGS="$old_CXXFLAGS"
rm -f conftest*
@@ -18135,8 +18137,6 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu
- echo "$as_me:$LINENO: result: $enable_atomic_builtins" >&5
-echo "${ECHO_T}$enable_atomic_builtins" >&6
if test $atomicity_dir = cpu/generic/atomicity_mutex ; then
{ echo "$as_me:$LINENO: WARNING: No native atomic operations are provided for this platform." >&5
diff --git a/libstdc++-v3/include/bits/c++config b/libstdc++-v3/include/bits/c++config
index e38cfe05184..498bc320265 100644
--- a/libstdc++-v3/include/bits/c++config
+++ b/libstdc++-v3/include/bits/c++config
@@ -236,7 +236,8 @@ namespace std
// XXX GLIBCXX_ABI Deprecated
// Namespace associations for long double 128 mode.
_GLIBCXX_BEGIN_NAMESPACE(std)
-#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \
+ && defined __cplusplus
# define _GLIBCXX_LDBL_NAMESPACE __gnu_cxx_ldbl128::
# define _GLIBCXX_BEGIN_LDBL_NAMESPACE namespace __gnu_cxx_ldbl128 {
# define _GLIBCXX_END_LDBL_NAMESPACE }