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-rw-r--r--libstdc++-v3/acinclude.m432
1 files changed, 2 insertions, 30 deletions
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index fee5c6f2776..9d08178c35e 100644
--- a/libstdc++-v3/acinclude.m4
+++ b/libstdc++-v3/acinclude.m4
@@ -2683,12 +2683,6 @@ dnl
dnl Note:
dnl libgomp and libgfortran use a link test, see CHECK_SYNC_FETCH_AND_ADD.
dnl
-dnl Defines:
-dnl _GLIBCXX_ATOMIC_BUILTINS_1
-dnl _GLIBCXX_ATOMIC_BUILTINS_2
-dnl _GLIBCXX_ATOMIC_BUILTINS_4
-dnl _GLIBCXX_ATOMIC_BUILTINS_8
-dnl
AC_DEFUN([GLIBCXX_ENABLE_ATOMIC_BUILTINS], [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
@@ -2729,10 +2723,6 @@ AC_DEFUN([GLIBCXX_ENABLE_ATOMIC_BUILTINS], [
[glibcxx_cv_atomic_bool=yes],
[glibcxx_cv_atomic_bool=no])
])
- if test $glibcxx_cv_atomic_bool = yes; then
- AC_DEFINE(_GLIBCXX_ATOMIC_BUILTINS_1, 1,
- [Define if builtin atomic operations for bool are supported on this host.])
- fi
AC_MSG_RESULT($glibcxx_cv_atomic_bool)
AC_MSG_CHECKING([for atomic builtins for short])
@@ -2751,10 +2741,6 @@ AC_DEFUN([GLIBCXX_ENABLE_ATOMIC_BUILTINS], [
[glibcxx_cv_atomic_short=yes],
[glibcxx_cv_atomic_short=no])
])
- if test $glibcxx_cv_atomic_short = yes; then
- AC_DEFINE(_GLIBCXX_ATOMIC_BUILTINS_2, 1,
- [Define if builtin atomic operations for short are supported on this host.])
- fi
AC_MSG_RESULT($glibcxx_cv_atomic_short)
AC_MSG_CHECKING([for atomic builtins for int])
@@ -2773,10 +2759,6 @@ AC_DEFUN([GLIBCXX_ENABLE_ATOMIC_BUILTINS], [
[glibcxx_cv_atomic_int=yes],
[glibcxx_cv_atomic_int=no])
])
- if test $glibcxx_cv_atomic_int = yes; then
- AC_DEFINE(_GLIBCXX_ATOMIC_BUILTINS_4, 1,
- [Define if builtin atomic operations for int are supported on this host.])
- fi
AC_MSG_RESULT($glibcxx_cv_atomic_int)
AC_MSG_CHECKING([for atomic builtins for long long])
@@ -2795,10 +2777,6 @@ AC_DEFUN([GLIBCXX_ENABLE_ATOMIC_BUILTINS], [
[glibcxx_cv_atomic_long_long=yes],
[glibcxx_cv_atomic_long_long=no])
])
- if test $glibcxx_cv_atomic_long_long = yes; then
- AC_DEFINE(_GLIBCXX_ATOMIC_BUILTINS_8, 1,
- [Define if builtin atomic operations for long long are supported on this host.])
- fi
AC_MSG_RESULT($glibcxx_cv_atomic_long_long)
else
@@ -2832,8 +2810,6 @@ EOF
if grep __sync_ conftest.s >/dev/null 2>&1 ; then
glibcxx_cv_atomic_bool=no
else
- AC_DEFINE(_GLIBCXX_ATOMIC_BUILTINS_1, 1,
- [Define if builtin atomic operations for bool are supported on this host.])
glibcxx_cv_atomic_bool=yes
fi
fi
@@ -2862,8 +2838,6 @@ EOF
if grep __sync_ conftest.s >/dev/null 2>&1 ; then
glibcxx_cv_atomic_short=no
else
- AC_DEFINE(_GLIBCXX_ATOMIC_BUILTINS_2, 1,
- [Define if builtin atomic operations for short are supported on this host.])
glibcxx_cv_atomic_short=yes
fi
fi
@@ -2893,8 +2867,6 @@ EOF
if grep __sync_ conftest.s >/dev/null 2>&1 ; then
glibcxx_cv_atomic_int=no
else
- AC_DEFINE(_GLIBCXX_ATOMIC_BUILTINS_4, 1,
- [Define if builtin atomic operations for int are supported on this host.])
glibcxx_cv_atomic_int=yes
fi
fi
@@ -2923,8 +2895,6 @@ EOF
if grep __sync_ conftest.s >/dev/null 2>&1 ; then
glibcxx_cv_atomic_long_long=no
else
- AC_DEFINE(_GLIBCXX_ATOMIC_BUILTINS_8, 1,
- [Define if builtin atomic operations for long long are supported on this host.])
glibcxx_cv_atomic_long_long=yes
fi
fi
@@ -2938,6 +2908,8 @@ EOF
# Set atomicity_dir to builtins if either of above tests pass.
if test $glibcxx_cv_atomic_int = yes || test $glibcxx_cv_atomic_bool = yes ; then
+ AC_DEFINE(_GLIBCXX_ATOMIC_BUILTINS, 1,
+ [Define if the compiler supports C++11 atomics.])
atomicity_dir=cpu/generic/atomicity_builtins
fi