summaryrefslogtreecommitdiff
path: root/include/errno.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/errno.h')
-rw-r--r--include/errno.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/errno.h b/include/errno.h
index 9e1e3202..0361b33a 100644
--- a/include/errno.h
+++ b/include/errno.h
@@ -5,6 +5,8 @@
extern "C" {
#endif
+#include <features.h>
+
#include <bits/errno.h>
#ifdef __GNUC__
@@ -13,6 +15,10 @@ __attribute__((const))
int *__errno_location(void);
#define errno (*__errno_location())
+#ifdef _GNU_SOURCE
+extern char *program_invocation_short_name, *program_invocation_name;
+#endif
+
#ifdef __cplusplus
}
#endif