Add portable way to find the make program.
Add recursive linking support.
Add force_includes support.
Add library extension in windows
More flexible copy builtin.
Add fixup stdcall flag on windows.
Handle system libraries in gcc.
Remove flags that force static/dynamic linking.
Do not specify rpath on windows.
Build freetype manually since makefiles are not really portable.
Forward construct params.
Add version attribute and forward shared flag.
Add system flag in Library.
Make libraries compatible with dependencies.
Better formatting.
Remove stupid prints.
Boost.Thread compiles on windows.
Force cmath header include to workaround a mingw bug.
Source cast its filename automatically to string.