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 07b36b8e24d0eb9266c7dfbdc82f6bf6b69f61d0..b5d02466dcb7c1ddf602e3fe927303e86251399b 100644 (file)
--- 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)