c++ 宏定义包含双引号编译错误

宏定义如下：

#define    RBRAND  "test"
#define    VER  "1"
#define    BRANCH  "A"
#define    CAMERA_VERSION RBRAND"_"VER"_"BRANCH

编译: C ++11提示错误

 invalid suffix on literal; C++11 requires a space between literal and string macro [-Werror=literal-suffix]

修正方法:
makefile中编译选项加上如下参数:

 CXXFLAGS  = -std=c++11 -Wno-literal-suffix