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Build System: Add support for __atomic built-in operators.

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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
This commit is contained in:
Corey Farrell
2018-01-24 19:49:02 -05:00
parent 7ce34f4e6a
commit 6fbd855228
4 changed files with 55 additions and 7 deletions
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5
include/asterisk/autoconfig.h.in
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@@ -188,6 +188,9 @@
/* Define to 1 if you have the curses library. */
#undef HAVE_CURSES
/* Define to 1 if your C compiler provides __atomic operations. */
#undef HAVE_C_ATOMICS
/* Define if your system has the DAHDI headers. */
#undef HAVE_DAHDI
@@ -292,7 +295,7 @@
/* Define to 1 if you have the `ftruncate' function. */
#undef HAVE_FTRUNCATE
/* Define to 1 if your GCC C compiler provides atomic operations. */
/* Define to 1 if your GCC C compiler provides __sync atomic operations. */
#undef HAVE_GCC_ATOMICS
/* Define to 1 if you have the `getcwd' function. */