X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=include%2Ferrno.h;h=93f5f6ecb6c357816ad0a31e209df751de09e881;hb=cb525397bb053ea49cf160965477a17b17286eb3;hp=9e1e3202b79dcd9d024a52d76e8b5ed99cafe6ad;hpb=c3db56c4cb2b5eb06cbf46b8fe526f4fe7e10321;p=musl

diff --git a/include/errno.h b/include/errno.h
index 9e1e3202..93f5f6ec 100644
--- a/include/errno.h
+++ b/include/errno.h
@@ -5,14 +5,17 @@
 extern "C" {
 #endif
 
+#include <features.h>
+
 #include <bits/errno.h>
 
-#ifdef __GNUC__
-__attribute__((const))
-#endif
 int *__errno_location(void);
 #define errno (*__errno_location())
 
+#ifdef _GNU_SOURCE
+extern char *program_invocation_short_name, *program_invocation_name;
+#endif
+
 #ifdef __cplusplus
 }
 #endif