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build: Move checks for __sync functions to separate macros.

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This commit is contained in:
Józef Kucia
2016-09-28 12:20:11 +02:00
parent d8ff91a9f8
commit f931d3ad66
2 changed files with 22 additions and 19 deletions
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19
m4/check-builtin-atomic.m4 Normal file
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@@ -0,0 +1,19 @@
dnl VKD3D_CHECK_SYNC_ADD_AND_FETCH_FUNC
AC_DEFUN([VKD3D_CHECK_SYNC_ADD_AND_FETCH_FUNC],
[AC_MSG_CHECKING([for __sync_add_and_fetch])
AC_LINK_IFELSE([AC_LANG_SOURCE([int main(void) { return __sync_add_and_fetch((int *)0, 0); }])],
[AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_SYNC_ADD_AND_FETCH],
[1],
[Define to 1 if you have __sync_add_and_fetch.])],
[AC_MSG_RESULT([no])])])
dnl VKD3D_CHECK_SYNC_SUB_AND_FETCH_FUNC
AC_DEFUN([VKD3D_CHECK_SYNC_SUB_AND_FETCH_FUNC],
[AC_MSG_CHECKING([for __sync_sub_and_fetch])
AC_LINK_IFELSE([AC_LANG_SOURCE([int main(void) { return __sync_sub_and_fetch((int *)0, 0); }])],
[AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_SYNC_SUB_AND_FETCH],
[1],
[Define to 1 if you have __sync_sub_and_fetch.])],
[AC_MSG_RESULT([no])])])