From: Mike Frysinger <vapier at chromium.org> The strsignal fallback uses snprintf which comes from stdio.h. --- openbsd-compat/bsd-signal.c | 1 + 1 file changed, 1 insertion(+) diff --git a/openbsd-compat/bsd-signal.c b/openbsd-compat/bsd-signal.c index 979010e84b5f..0b816a3a635c 100644 --- a/openbsd-compat/bsd-signal.c +++ b/openbsd-compat/bsd-signal.c @@ -17,6 +17,7 @@ #include "includes.h" #include <signal.h> +#include <stdio.h> #include <string.h> #include <unistd.h> -- 2.23.0