From 627326bed4e58cf457e8c8f2c45b2e6d7c316a54 Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Sun, 16 Nov 2014 16:10:45 +0100
Subject: Feature test for __builtin_expect
---
src/html/houdini.h | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
(limited to 'src/html')
diff --git a/src/html/houdini.h b/src/html/houdini.h
index b8ed0d9..9e1200e 100644
--- a/src/html/houdini.h
+++ b/src/html/houdini.h
@@ -6,10 +6,16 @@ extern "C" {
#endif
#include <stdint.h>
+#include "config.h"
#include "buffer.h"
-#define likely(x) __builtin_expect((x),1)
-#define unlikely(x) __builtin_expect((x),0)
+#ifdef HAVE___BUILTIN_EXPECT
+# define likely(x) __builtin_expect((x),1)
+# define unlikely(x) __builtin_expect((x),0)
+#else
+# define likely(x) (x)
+# define unlikely(x) (x)
+#endif
#ifdef HOUDINI_USE_LOCALE
# define _isxdigit(c) isxdigit(c)
--
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