fix __WORDSIZE on x32 sys/user.h

[musl] / src / thread / pthread_join.c

diff --git a/src/thread/pthread_join.c b/src/thread/pthread_join.c
index b8813e0..17dae85 100644 (file)
--- a/src/thread/pthread_join.c
+++ b/src/thread/pthread_join.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
 #include "pthread_impl.h"
 #include <sys/mman.h>