Portable msys/mingw upgrade
1) mingw mingw-get setup tool , will install MinGW by default on C:\MinGW, msys\1.0 is under MinGW, it is the best way to install/upgrade/maintenance msys/mingw basic/core/dev pkg Then I just copy MinGW excluding msys to \mingw as portable mingw, which including latest gcc 4.8.1-4 . 2) msys I didn’t use …