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Re: guix is the guildhall that we always wanted!


From: Ludovic Courtès
Subject: Re: guix is the guildhall that we always wanted!
Date: Sat, 18 Mar 2017 15:04:52 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux)

Hi Eli,

Eli Zaretskii <address@hidden> skribis:

>> From: address@hidden (Ludovic Courtès)
>> Date: Fri, 17 Mar 2017 12:30:57 +0100
>> Cc: address@hidden, address@hidden
>> 
>> > Open questions would be, what about other targets like macOS or Windows
>> > or whatever?  There I don't know.  I suspect that if Guix becomes
>> > popular enough, someone will make a thing whereby you can cross-compile
>> > to macOS from GNU/Linux at least.  I know you can do that already with
>> > MinGW.  As for native "guildhall" operation on these targets, I don't
>> > know.  But I think that is a cost that people will pay for in time.
>> 
>> We could surely create cross-compiled packs for MinGW, though I suspect
>> a number of packages do not support cross-compilation.
>
> The MinGW build doesn't support multithreading in Guile, so any such
> cross-compiled packages should be aware of that.  Also, there are some
> Posix functionality not supported, like primitive-fork, so if Guix
> uses that, those parts won't work.

The goal is not to run Guix on MinGW.

I think Andy was referring to the possibility of cross-compiling
packages that use Guile to MinGW.  That is already possible thanks to
the work of Jan Jan Nieuwenhuizen, and since yesterday, we can create
“packs” that contain binaries cross-compiled for MinGW:

  https://lists.gnu.org/archive/html/guix-devel/2017-03/msg00525.html

Ludo’.



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