From 9bd67a3716240e0f0151be8a6ce00e1690fb46f5 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Sat, 5 Jun 1993 02:07:08 +0000
Subject: [PATCH] [POSIX] [!__GNUC__] (sys_sigmask): Add declaration.

---
 src/syssignal.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/syssignal.h b/src/syssignal.h
index 40deead0fbe..432eb163322 100644
--- a/src/syssignal.h
+++ b/src/syssignal.h
@@ -43,6 +43,7 @@ extern sigset_t empty_mask, full_mask, temp_mask;
     _mask;					\
   })
 #else /* ! defined (__GNUC__) */
+extern sigset_t sys_sigmask ();
 #define sigmask(SIG) (sys_sigmask (SIG))
 #endif /* ! defined (__GNUC__) */
 #endif
-- 
2.30.2