install: bison-2.4.2-1-msys-1.0.13-doc.tar.lzma
mingw-get-gui: *** ERROR *** required package file is not available
mingw-get-gui: *** ERROR *** cannot install bison-2.4.2-1-msys-1.0.13-doc.tar.lzma
mingw-get-gui: *** ERROR *** due to previous download failure
遇到这样的问题很大概率是被墙了
使用其他方式上网即可
再次运行mingw-get
over