From: Roy Marples <roy@marples.name>
Date: Mon, 24 Nov 2008 11:21:11 +0000 (+0000)
Subject: Work out __restrict better.
X-Git-Tag: v5.0.0~169
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74d48421744e227b4086cf2edf27220387d70380;p=thirdparty%2Fdhcpcd.git

Work out __restrict better.
---

diff --git a/common.h b/common.h
index 1f78b35f..e12d0054 100644
--- a/common.h
+++ b/common.h
@@ -56,9 +56,16 @@
 # define _unused
 #endif
 
-/* We require a c99 compiler, but we need this define to satisfy lint */
+/* We don't really need this as our supported systems define __restrict
+ * automatically for us, but it is here for completeness. */
 #ifndef __restrict
-# define __restrict restrict
+# if defined(__lint__)
+#  define __restrict
+# elif __STDC_VERSION__ >= 199901L
+#  define __restrict restrict
+# elif !(2 < __GNUC__ || (2 == __GNU_C && 95 <= __GNUC_VERSION__))
+#  define __restrict
+# endif
 #endif
 
 #ifndef HAVE_ARC4RANDOM