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| author | Corey Farrell <git@cfware.com> | 2018-01-24 19:49:02 -0500 |
|---|---|---|
| committer | Corey Farrell <git@cfware.com> | 2018-01-24 20:00:48 -0500 |
| commit | 6fbd85522896c9c94281ed775c98a041721de424 (patch) | |
| tree | a9336ae88416860fc6877837a733d0bb5602e718 /configure.ac | |
| parent | 7ce34f4e6a8a2bbfc3cfac9a4465eb0f71372205 (diff) | |
Build System: Add support for __atomic built-in operators.
Add a check to configure.ac for __atomic_fetch_add support. If found
use the __atomic built-in operators for ast_atomic_dec_and_test and
ast_atomic_fetchadd_int.
ASTERISK~27619
Change-Id: I65b4feb02bae368904ed0fb03f585c05f50a690e
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index c590c6b0b..07ff3b3f8 100644 --- a/configure.ac +++ b/configure.ac @@ -1070,11 +1070,19 @@ AC_LINK_IFELSE( # for FreeBSD thr_self AC_CHECK_HEADERS([sys/thr.h]) -AC_MSG_CHECKING(for compiler atomic operations) +AC_MSG_CHECKING(for compiler sync operations) AC_LINK_IFELSE( [AC_LANG_PROGRAM([], [int foo1; int foo2 = __sync_fetch_and_add(&foo1, 1);])], AC_MSG_RESULT(yes) -AC_DEFINE([HAVE_GCC_ATOMICS], 1, [Define to 1 if your GCC C compiler provides atomic operations.]), +AC_DEFINE([HAVE_GCC_ATOMICS], 1, [Define to 1 if your GCC C compiler provides __sync atomic operations.]), +AC_MSG_RESULT(no) +) + +AC_MSG_CHECKING(for compiler atomic operations) +AC_LINK_IFELSE( +[AC_LANG_PROGRAM([], [int foo1; int foo2 = __atomic_fetch_add(&foo1, 1, __ATOMIC_RELAXED);])], +AC_MSG_RESULT(yes) +AC_DEFINE([HAVE_C_ATOMICS], 1, [Define to 1 if your C compiler provides __atomic operations.]), AC_MSG_RESULT(no) ) |