# HG changeset patch
# User Chris Cannam
# Date 1483980105 0
# Node ID dca12b13d90b75c453cdb67eaf903a627d959536
# Parent  39ce813e185cc7986f564bb5eea3f29a7cbfe60f
Fix a strictly-incorrect #if guard

diff -r 39ce813e185c -r dca12b13d90b system/System.cpp
--- a/system/System.cpp	Mon Jan 09 16:39:55 2017 +0000
+++ b/system/System.cpp	Mon Jan 09 16:41:45 2017 +0000
@@ -286,7 +286,7 @@
 #endif
 }
 #else /* !_WIN32 */
-#if !defined(__APPLE__) && ((__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ == 0))
+#if !defined(__APPLE__) && defined(__GNUC__) && ((__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ == 0))
 void
 SystemMemoryBarrier()
 {