From: Ben Pfaff <blp@cs.stanford.edu>
Date: Sat, 23 Sep 2017 17:37:35 +0000 (-0700)
Subject: compiler: Fix test for "optimize" attribute.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pspp;a=commitdiff_plain;h=a8c6e993d9146233cf380be16c0790f5c5d4b715

compiler: Fix test for "optimize" attribute.

This was introduced with GCC 4.4.  This fixes build warnings compiling with
Clang, which pretends to be GCC 4.3 and does not support the "optimize"
attribute.
---

diff --git a/src/libpspp/compiler.h b/src/libpspp/compiler.h
index 07b36b8e24..b5d02466dc 100644
--- a/src/libpspp/compiler.h
+++ b/src/libpspp/compiler.h
@@ -91,7 +91,7 @@
 /* This attribute indicates that the function should be compiled
    with the specified LEVEL, regardless of what has been specified
    on the command line */
-#if __GNUC__ > 3
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR >= 4)
 #define OPTIMIZE(LEVEL) ATTRIBUTE ((optimize(LEVEL)))
 #else
 #define OPTIMIZE(LEVEL)