From: Gert Wollny <gw.fossdev@gmail.com>
Date: Wed, 29 Jun 2014 16:52:43 +0200
Subject: Do not override Debian CXX flags

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@
       FORCE)
 ENDIF(NOT CMAKE_BUILD_TYPE)
 
-SET(CMAKE_CXX_FLAGS "-Wall -Weffc++ -Wshadow -Wconversion")
+#SET(CMAKE_CXX_FLAGS "-Wall -Weffc++ -Wshadow -Wconversion")
 IF(NOT NO_VIRTUAL_COV)
   SET(NO_VIRTUAL_COV FALSE CACHE BOOL
       "Disable covariant return type with virtual inheritance, for compilers that do not support it."