Change AC_COMPILE_IFELSE into AC_LINK_IFELSE for the __sync_{add, sub}_and_fetch() test
With the Android NDK, __sync_{add,sub}_and_fetch() compile fine for uint64_t,
but the corresponding libgcc function aren't there.
diff --git a/configure.ac b/configure.ac
index 2616b0a..c1b46dc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -898,20 +898,20 @@
AC_DEFUN([JE_SYNC_COMPARE_AND_SWAP_CHECK],[
AC_CACHE_CHECK([whether to force $1-bit __sync_{add,sub}_and_fetch()],
[je_cv_sync_compare_and_swap_$2],
- [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
- #include <stdint.h>
- ],
- [
- #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2
- {
- uint$1_t x$1 = 0;
- __sync_add_and_fetch(&x$1, 42);
- __sync_sub_and_fetch(&x$1, 1);
- }
- #else
- #error __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2 is defined, no need to force
- #endif
- ])],
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([
+ #include <stdint.h>
+ ],
+ [
+ #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2
+ {
+ uint$1_t x$1 = 0;
+ __sync_add_and_fetch(&x$1, 42);
+ __sync_sub_and_fetch(&x$1, 1);
+ }
+ #else
+ #error __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2 is defined, no need to force
+ #endif
+ ])],
[je_cv_sync_compare_and_swap_$2=yes],
[je_cv_sync_compare_and_swap_$2=no])])