diff --git a/CMakeLists.txt b/CMakeLists.txt
old mode 100644
new mode 100755
index bd697892671ec6244f25623dc922452cfd8069be..f1eb30bb6818560379632b787830704c79831f0c
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,7 +36,12 @@ IF (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
   SET(TD_LINUX TRUE)
   ADD_DEFINITIONS(-DLINUX)
   
-  SET(COMMON_FLAGS "-std=gnu99 -Wall -fPIC -malign-double -g -Wno-char-subscripts -malign-stringops -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
+  
+  IF (${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")			
+	SET(COMMON_FLAGS "-std=gnu99 -Wall -fPIC -malign-double -g -Wno-char-subscripts -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
+  ELSE ()
+	SET(COMMON_FLAGS "-std=gnu99 -Wall -fPIC -malign-double -g -Wno-char-subscripts -malign-stringops -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
+  ENDIF ()
   SET(DEBUG_FLAGS "-O0 -DDEBUG")
   SET(RELEASE_FLAGS "-O0")