mingw 环境变量设置

样例，具体路径以自己的安装路径为准

LIBRARY_PATH:    C:\MinGW\lib 

C_INCLUDE_PATH:     C:\MinGW\include

CPLUS_INCLUDE_PATHC:     C:\MinGW\lib\gcc；C:\MinGW\lib\gcc\mingw32；C:\MinGW\lib\gcc\mingw32\4.5.2；C:\MinGW\lib\gcc\mingw32\4.5.2\include；C:\MinGW\lib\gcc\mingw32\4.5.2\include\c++；C:\MinGW\lib\gcc\mingw32\4.5.2\include\c++\backward；C:\MinGW\lib\gcc\mingw32\4.5.2\include\c++\mingw32；

setx PATH "%PATH%;D:\mingw\bin" -m
setx LIBRARY_PATH "D:\mingw\lib" -m

setx C_INCLUDE_PATH "D:\mingw\include" -m
setx CPLUS_INCLUDE_PATHC "D:\mingw\lib\gcc\mingw32\6.3.0\include;D:\mingw\lib\gcc\mingw32\6.3.0\include\c++;"  -m