X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=include%2Ferrno.h;h=9d6803383cac9d6f244a35de6b1e05c3808c9f3d;hp=d9c2c9c73099a5161c3d6568f41a3f8e000ce752;hb=cbf35978a9870fb1f5c73a852c986d4fcca6c2d4;hpb=71a80c5767aa4e6b7cbc2b58feef3cfca76e29fe

diff --git a/include/errno.h b/include/errno.h
index d9c2c9c7..9d680338 100644
--- a/include/errno.h
+++ b/include/errno.h
@@ -7,6 +7,9 @@ extern "C" {
 
 #include <bits/errno.h>
 
+#ifdef __GNUC__
+__attribute__((const))
+#endif
 extern int *__errno_location(void);
 #define errno (*__errno_location())