How do I cross-compile C code on Windows for a binary to also be run on Unix (Solaris/HPUX/Linux)?

Question

I been looking into Cygwin/Mingw/lcc and I liked to be able to compile perl native C extensions on my windows(preferably under cygwin) and then run them on Solaris and HP un

Answer 1

Why don't you have a read up on "Grand Unified Builder" (http://lilypond.org/gub/ and http://valentin.villenave.info/The-LilyPond-Report-11 (section #4))

I don't know how it works, but GUB allows the Lilypond developers to compile for about 11 platforms on a linux box.