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Fixed issue with autotools, AC_LANG_...

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This commit is contained in:
Alexander Vdolainen 2019-04-25 04:15:22 +03:00
parent 9166c21bd6
commit e16b7ac49d
1 changed files with 11 additions and 9 deletions
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20
configure.ac
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@ -28,15 +28,17 @@ dnl **************************************
dnl ***** tests for compiler built-ins *****
dnl **************************************
AC_CACHE_CHECK([for __sync_bool_compare_and_swap_8],
[ctrie_cv_func___sync_bool_compare_and_swap_8],
[AC_LINK_IFELSE([
typedef unsigned int uint64 __attribute__ ((mode (DI)));
uint64 i;
int main() { return __sync_bool_compare_and_swap (&i, 0, 1); }
],
[ctrie_cv_func___sync_bool_compare_and_swap_8=yes],
[ctrie_cv_func___sync_bool_compare_and_swap_8=no])])
AC_CACHE_CHECK(
[for __sync_bool_compare_and_swap_8],
[ctrie_cv_func___sync_bool_compare_and_swap_8],
[AC_LINK_IFELSE([AC_LANG_SOURCE([
typedef unsigned int uint64 __attribute__ ((mode (DI)));
uint64 i;
int main() { return __sync_bool_compare_and_swap (&i, 0, 1); }
])],
[ctrie_cv_func___sync_bool_compare_and_swap_8=yes],
[ctrie_cv_func___sync_bool_compare_and_swap_8=no])])
if test "$ctrie_cv_func___sync_bool_compare_and_swap_8" = "yes"; then
AC_DEFINE([HAVE__SYNC_BOOL_COMPARE_AND_SWAP_8], 1,
[Define to 1 if the compiler provides the __sync_bool_compare_and_swap function for uint64])