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Re: [PATCH] build: pull: Compile .scm files in one process.


From: Taylan Ulrich Bayırlı/Kammer
Subject: Re: [PATCH] build: pull: Compile .scm files in one process.
Date: Thu, 03 Dec 2015 16:54:56 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)

Mark H Weaver <address@hidden> writes:

> address@hidden (Taylan Ulrich "Bayırlı/Kammer") writes:
>
>> It would be great if the whole circular import problem could somehow be
>> solved by Guile (no idea how feasible it is).
>
> I think we should eliminate circular module dependencies.  They cause
> nasty problems, and there's no compelling reason that we need them,
> since our package dependency graph is necessarily a DAG.
>
> We can eliminate the circular dependencies by breaking up our package
> modules into smaller pieces.  One package per module would trivially
> accomplish this, although I guess that's going too far.
>
> We might want to think about what tools could help us discover a much
> smaller number of package splittings that would eliminate the cycles,
> and to ensure that they would never again be introduced.

There might also be non-package module cycles, or more likely, cycles
involving package and non-package modules.  I think I encountered the
latter while sniffing around, though I don't remember exactly.  These
might be less trivial to fix...  Just an FYI.  Otherwise +1.

I don't know when my productivity will go back up (health issues), but
when it does and nobody's done it yet I might work on such a tool for
package modules.  If anyone else wants to then don't hold back though.

Taylan



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