From: Gert Wollny <gw.fossdev@gmail.com>
Date: Wed, 29 Jun 2014 16:52:43 +0200
Subject: Do not override user-provided CXX flags
Forwarded: https://github.com/BioPP/bpp-raa/pull/4

--- libbpp-raa.orig/CMakeLists.txt
+++ libbpp-raa/CMakeLists.txt
@@ -9,8 +9,8 @@
 project (bpp-raa C CXX)
 
 # Compile options
-set (CMAKE_CXX_FLAGS "-std=c++11 -Wall")
-set (CMAKE_C_FLAGS "-Wall")
+add_compile_options(-Wall)
+set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
 
 IF(NOT CMAKE_BUILD_TYPE)
   SET(CMAKE_BUILD_TYPE Release CACHE STRING