For Windows, we can get g++, gdb, and make from Cygwin, a project that provides the thousands of free and open source GNU tools for Windows systems.
/usr/lib/gcc/i686-pc-cygwin/4.5.3/cc1.exe: error while loading shared libraries: cygmpfr-4.dll: cannot open shared object file: No such file or directorythen re-run Cygwin's Setup.exe program, navigate to category Libs, and install the missing library libmpfr4.