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| author | Garrett Cooper <yanegomi@gmail.com> | 2010-11-16 08:58:55 -0800 |
|---|---|---|
| committer | Garrett Cooper <yanegomi@gmail.com> | 2010-11-16 08:58:55 -0800 |
| commit | 08b93fd568978fb944cec175d4b29d0b67489a98 (patch) | |
| tree | 2b20649b7087dd2a7c695d3e376d58c31dc9ee57 /testcases/realtime | |
| parent | 10a4e17df50d402b7c07134033f3e48a8d934230 (diff) | |
Link the test for __sync_add_and_fetch.
AC_TRY_COMPILE doesn't catch undefined symbols because the linker symbol
resolution step hasn't been run yet.
Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
Diffstat (limited to 'testcases/realtime')
| -rw-r--r-- | testcases/realtime/configure.in | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/testcases/realtime/configure.in b/testcases/realtime/configure.in index 858eef923..87e699b76 100644 --- a/testcases/realtime/configure.in +++ b/testcases/realtime/configure.in @@ -21,14 +21,15 @@ AC_PROG_AR AC_PROG_RANLIB AC_MSG_CHECKING([Checking for __sync_add_and_fetch gcc builtin function]) -AC_TRY_COMPILE([ +AC_LINK_IFELSE([ #ifndef _GNU_SOURCE #define _GNU_SOURCE #endif -#include <stdlib.h>],[ +#include <stdlib.h> +int main(void) { char *c; return __sync_add_and_fetch(c, 1); -],[has___sync_add_and_fetch=yes]) +}],[has___sync_add_and_fetch=yes]) if test "x$has___sync_add_and_fetch" = xyes; then AC_DEFINE(HAVE___SYNC_ADD_AND_FETCH,1,[Define to 1 if you have the __sync_add_and_fetch gcc builtin function]) AC_MSG_RESULT(yes) |