Compiling on Windows CygWin - RodrigoOt/forgottenserver GitHub Wiki
Compiling Forgottenserver on windows with CygWin
First of all, you need to setup CYgWin on your computer, follow the link:
Install gcc and all dependencies, Compilation will fail if Mingw is installed, unset ENV variable.
Get the the branch patched for CygWin.
$ git clone -b master_patched_for_cygwin https://github.com/RodrigoOt/forgottenserver.git
ok good look
Regards Enjoy.