From 96949ef7f5217653d33fe80080e38e71e619914b Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sun, 19 Sep 1999 16:21:26 +0000
Subject: [PATCH] (__attribute__): Define. (ATTRIBUTE_NORETURN): Remove #else
 clause. (ATTRIBUTE_UNUSED): Define.

---
 src/sys2.h | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/sys2.h b/src/sys2.h
index 8e80aa3..2082cb6 100644
--- a/src/sys2.h
+++ b/src/sys2.h
@@ -358,8 +358,14 @@ char *base_name PARAMS ((char const *));
 # define IF_LINT(Code) /* empty */
 #endif
 
-#if __GNUC__
+#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
+# define __attribute__(x)
+#endif
+
+#ifndef ATTRIBUTE_NORETURN
 # define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
-#else
-# define ATTRIBUTE_NORETURN /* empty */
+#endif
+
+#ifndef ATTRIBUTE_UNUSED
+# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
 #endif
-- 
2.7.4