windows系统msys编译NVSim

mingw下载
https://www.mingw-w64.org/

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 th