From ef90fad941ca10d8beab724bc633c275a29aff7d Mon Sep 17 00:00:00 2001
From: Milian Wolff <mail@milianw.de>
Date: Sun, 29 Jan 2017 20:25:42 +0100
Subject: [PATCH] Fix warning about undefined behavior when expanding macro

See e.g. https://reviews.llvm.org/D15866 for more information
---
 src/track/heaptrack_inject.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/track/heaptrack_inject.cpp b/src/track/heaptrack_inject.cpp
index 45ffd74..cf3a69f 100644
--- a/src/track/heaptrack_inject.cpp
+++ b/src/track/heaptrack_inject.cpp
@@ -43,7 +43,11 @@
 #error unsupported word size
 #endif
 
-#define HAVE_CFREE (defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || defined(__USE_MISC))
+#if defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || defined(__USE_MISC)
+#define HAVE_CFREE 1
+#else
+#define HAVE_CFREE 0
+#endif
 
 namespace {
 
-- 
2.34.1