From: Christian Neukirchen <chneukirchen@...>
Date: 2005-06-06T23:31:15+09:00
Subject: Re: Package, a future replacement for setup.rb and mkmf.rb

gabriele renzi <surrender_it@remove-yahoo.it> writes:

> Christian Neukirchen ha scritto:
>
>>>>How well does extconf.rb work on win32?
>>>>
>>>
>>>definitely fine.
>>>But it would be great to have a builtin way to trick it so that
>>>extensions can be built with a different compiler than the one used
>>>for ruby (tipically  mingw extensions for mswin ruby)
>> I think that's an issue pure Ruby code can't change... can it?
>
> I don't know.
> I am guessing there is some place where extconf.rb/mkmf.rb  check
> values from rbconfig and generate the makefile stuff based on it,
> the fake-mingw32 module seem to basically change this values.
>
> I am thinking of some thing like
> if ruby_built_with_mingw
>   output gcc code
> elsif ruby_built_with_msvc
>   output cl code
> end

But would it be possible to run extensions built with mingw32 on a
MSVC ruby?

> and thinking of adding one additional check like
> if suggested_from_cli_compiler then output code for suggested compiler
>
> fake-ming32 is a C module, so it may confirm your impression.
>
> OTOH, it may be a C module just because extconf/mkmf are already in
> place, and faking must happen at a lower level.
>
> Sorry for my inability to give real useful informations :/

-- 
Christian Neukirchen  <chneukirchen@gmail.com>  http://chneukirchen.org