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Re: [PATCH] Release 1.0.1 of GNU MPC

From: Ludovic Courtès
Subject: Re: [PATCH] Release 1.0.1 of GNU MPC
Date: Wed, 12 Dec 2012 14:44:15 +0100
User-agent: Gnus/5.130005 (Ma Gnus v0.5) Emacs/24.2 (gnu/linux)


Andreas Enge <address@hidden> skribis:

> Unfortunately, I could not test it yet, since guix-package starts by 
> building path(s) `/nix/store/9syafc8xvscaywjldyszzgkc8pljwpj6-gcc-cross-
> boot0-4.7.2'
> although gcc-4.7.2 (without "coss-boot") is already there. How come?
> The previous mpc release built without problem without re-downloading gcc.
> Actually, the same holds for the unmodified mpfr - after changing the
> definition of mpc in multiprecision.scm, installing mpfr also starts by
> redownloading gcc.
> Is it related to the dependency of gcc on mpfr and mpc?

Yes, exactly: “everything” depends on GCC, and GCC depends on GMP, MPFR,
and MPC.  Thus, upgrading one of these leads to a rebuild of everything.

The way to address it (as is done in Nixpkgs) is to have a staging
branch for such changes, and to merge it once in a while.  So now is the
time to inaugurate a new branch.  :-)

Would it be an option for you to send a ‘git format-patch’ kind of



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