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

diff --git a/src/termios/cfmakeraw.c b/src/termios/cfmakeraw.c
index a3daa09a..c9dddc12 100644
--- a/src/termios/cfmakeraw.c
+++ b/src/termios/cfmakeraw.c

@@ -1,3 +1,4 @@

+#define _GNU_SOURCE

#include <termios.h>

void cfmakeraw(struct termios *t)