mingw下载
下载完成后进行安装和配置环境变量，测试mingw安装成功的办法
gcc -v
make for windows
GNU Make For Windows
Make is a useful tool in programming. That controls the generation of executables and other generated files of a program from the program's source files.
This web page provides binary of GNU make for Windows for download. Equation Solution build the binary from GNU make. It is a free software under General Public License. The release of GNU compilers distributed at this site also includes GNU make. It is unnecessary to download the utility for GNU compilers. For users who need the make utility, download make.exe from the following links, and save it in the subdirectory \bin.
DOWNLOAD: OFFICIAL RELEASE FOR WINDOWS
As mentioned previously, the binary of make is included in the GNU compilers distributed at this site. If you already downloaded GNU compilers, it is unnecessary to download the make utility. The following has links to download 32-bit and 64-bit binaries. 64-bit binary only works on 64-bit Windows.
将下载的make.exe放入mingw的bin目录
msys2
为了让msys2能够继承windows系统的环境变量，打开msys2_shell.bat
将
rem set MSYS2_PATH_TYPE=inherit
改为
set MSYS2_PATH_TYPE=inherit
并且点击msys2_shell.bat启动msys2
开始编译
cd /c/NVSim-master/NVSim-master
make
编译完成
