AC_DEFUN([PTHREADTEST_SRC], [
AC_LANG_PROGRAM([[
#include <pthread.h>
+static void *noop(void *ignore) { return ignore; }
]], [[
pthread_mutex_t test_mutex;
pthread_key_t test_key;
+ pthread_t th;
int retcode = 0;
+ void *ret = (void *)0;
retcode |= pthread_key_create(&test_key, (void *)0);
retcode |= pthread_mutex_init(&test_mutex,(void *)0);
retcode |= pthread_mutex_lock(&test_mutex);
retcode |= pthread_mutex_unlock(&test_mutex);
+ retcode |= pthread_create(&th, ret, noop, ret);
+ retcode |= pthread_join(th, &ret);
return retcode;
]])])