compiler: Fix test for "optimize" attribute.

[pspp] / src / libpspp / compiler.h

diff --git a/src/libpspp/compiler.h b/src/libpspp/compiler.h
index a7e91bfec1f805b35c8f2c6d15608fcf556bbc68..b5d02466dcb7c1ddf602e3fe927303e86251399b 100644 (file)
--- a/src/libpspp/compiler.h
+++ b/src/libpspp/compiler.h
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2006, 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2009, 2010, 2016 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -87,4 +87,15 @@
 #define SENTINEL(IDX)
 #endif
 
+
+/* 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__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR >= 4)
+#define OPTIMIZE(LEVEL) ATTRIBUTE ((optimize(LEVEL)))
+#else
+#define OPTIMIZE(LEVEL)
+#endif
+
+
 #endif /* compiler.h */