Cygwin
Get that Linux feeling - on Windows
mingw64-x86_64-fltk-src: Fast Light Toolkit for Win64 toolchain (source)
2017-06-20 06:45 0 mingw64-x86_64-fltk-1.3.4-1.src/ 2017-06-20 06:45 1436 mingw64-x86_64-fltk-1.3.4-1.src/1.3.3-cross-fluid.patch 2017-06-20 06:45 5284217 mingw64-x86_64-fltk-1.3.4-1.src/fltk-1.3.4-source.tar.gz 2017-06-20 06:45 852 mingw64-x86_64-fltk-1.3.4-1.src/mingw64-x86_64-fltk.cygport