musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/include/errno.h b/include/errno.h
index 93f5f6ec..0361b33a 100644
--- a/include/errno.h
+++ b/include/errno.h

@@ -9,6 +9,9 @@ extern "C" {

#include <bits/errno.h>

+#ifdef __GNUC__

+__attribute__((const))

+#endif

int *__errno_location(void);

#define errno (*__errno_location())