diff options
| -rw-r--r-- | Python/thread_pthread.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Python/thread_pthread.h b/Python/thread_pthread.h index d754005..a415a43 100644 --- a/Python/thread_pthread.h +++ b/Python/thread_pthread.h @@ -16,7 +16,9 @@ family of functions must indicate this by defining _POSIX_SEMAPHORES. */ #ifdef _POSIX_SEMAPHORES -#if _POSIX_SEMAPHORES == -1 +/* On FreeBSD 4.x, _POSIX_SEMAPHORES is defined empty, so + we need to add 0 to make it work there as well. */ +#if (_POSIX_SEMAPHORES+0) == -1 #define HAVE_BROKEN_POSIX_SEMAPHORES #else #include <semaphore.h> |