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Re: [bootstrappable] diverse double compilation: using $ORIGIN?


From: Ludovic Courtès
Subject: Re: [bootstrappable] diverse double compilation: using $ORIGIN?
Date: Sun, 05 Nov 2017 17:09:12 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux)

Jan Nieuwenhuizen <address@hidden> skribis:

> From c91609e847066c384826d726033146e08d8185ed Mon Sep 17 00:00:00 2001
> From: Jan Nieuwenhuizen <address@hidden>
> Date: Thu, 2 Nov 2017 06:52:46 +0100
> Subject: [PATCH] gnu: Add clang-gcc, gcc-ddc.  WIP
>
> Usage: guix build gcc-dcc
>
> Building gcc-dcc tests the diverse double compilation property
> of the gcc that Guix is using.
>
> gcc-dcc is a meta-package that depends on gcc-5.4.0 and on
> clang-gcc-5.4.0 (the same GCC built with clang).  The builder
> checks if both gcc's are bit-for-bit identical and fails if
> they differ.
>
> * gnu/packages/bootstrappable.scm: New file.
> * gnu/local.mk (GNU_SYSTEM_MODULES): Add it.

Awesome!  Does it build fine out-of-the-box?  I didn’t expect it to be
“this easy.”  :-)

Ludo’.



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