Le 30 mars 09 à 15:45, xclerc a écrit :

(...)

> I have built a MacOS-to-Linux cross-compiler last week.
> I do confirm that the hard part is getting a cross-[g]cc up and  
> running.
> In fact, this is so tedious that I strongly encourage to resort to  
> either
> a prepackaged cross-[g]cc (from binaries, from a Linux packaging
> system, whatever), or to the excellent "crosstool" available at :
> 	http://www.kegel.com/crosstool/
>
> On the OCaml side, there are very few things to do and they are
> quite straightforward. First, you have to emulate the behaviour of
> "./configure" by producing "config/m.h", "config/s.h", and "config/ 
> Makefile"
> by hand. This is easier than it may sound, just start from "config/m- 
> templ.h",
> "config/s-temp.h", and "config/Makefile-templ" (these are  
> comprehensively
> commented).
> Then, you will have to slightly patch some Makefiles, and you are  
> done.
>
> I will setup a webpage with all the necessary steps and patches as  
> soon
> as I get my notes organized. This will allow us to share knowledge  
> on the subject.

The build process I followed along with its accompagnying patch are
available on the Gallium wiki at the following URL:
	http://brion.inria.fr/gallium/index.php/CrossCompiler

This is clearly a very experimental draft that is still a bit hackish.
All reports, both positive and negative are hence very welcome,
in order to polish it up.


Hope this helps,

Xavier Clerc