From: khizmax <libcds.dev@gmail.com>
Date: Mon, 10 Apr 2017 20:29:37 +0000 (+0300)
Subject: Fixed preprocessor symbol duplication
X-Git-Tag: v2.3.0~80
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=55a80861021dd2b7b2c342b48931277a035e70ba;p=libcds.git

Fixed preprocessor symbol duplication
---

diff --git a/cds/compiler/clang/defs.h b/cds/compiler/clang/defs.h
index 01898169..246456e8 100644
--- a/cds/compiler/clang/defs.h
+++ b/cds/compiler/clang/defs.h
@@ -107,7 +107,9 @@
 // *************************************************
 // Features
 #if defined(__has_feature) && __has_feature(thread_sanitizer)
-#   define CDS_THREAD_SANITIZER_ENABLED
+#   ifndef CDS_THREAD_SANITIZER_ENABLED
+#       define CDS_THREAD_SANITIZER_ENABLED
+#   endif
 #endif
 
 #if defined(__has_feature) && __has_feature(address_sanitizer)