From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: [PATCH] gnu: cross-gcc-arguments: Disable libitm, libvtv and,
	libsanitizer.
Date: Sun, 13 Mar 2016 23:23:56 +0100
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References: <56C322C4.3040706@gmail.com> <56CC4E79.7030706@gmail.com>
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In-Reply-To: <56CC4E79.7030706@gmail.com> (Manolis Ragkousis's message of
	"Tue, 23 Feb 2016 14:20:09 +0200")
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To: Manolis Ragkousis <manolis837@gmail.com>
Cc: guix-devel@gnu.org

Manolis Ragkousis <manolis837@gmail.com> skribis:

> This is a follow up to better explain what the problem is with the
> sans-libc cross gcc in the (gnu packages cross-base) module.
>
> In the latest master if you try to build gcc-cross-sans-libc with:
>
> ./pre-inst-env guix build -e '((@@(gnu packages cross-base) cross-gcc)
> "i686-linux-gnu")' -c8
>
> gcc modules libitm, libvtv and libsanitizer fail to build with
> "configure: error: C compiler cannot create executables".

What I don=E2=80=99t get is that I have:

--8<---------------cut here---------------start------------->8---
$ git describe=20
v0.9.0-2029-g863c4ee
$ ./pre-inst-env guix build -e '((@@ (gnu packages cross-base) cross-gcc) "=
mips64el-linux-gnu")' -n
The following files would be downloaded:
   /gnu/store/13nnp704cvxh05gxkbpqvjvhvqwf6b24-gcc-cross-sans-libc-mips64el=
-linux-gnu-4.9.3
   /gnu/store/bgm8y2j42dmviyc51kk2wcgjhvfpmc08-binutils-cross-mips64el-linu=
x-gnu-2.25.1
   /gnu/store/d9rk59ff8zc42726fr2zdr572kb152i6-isl-0.11.1
   /gnu/store/hm1mw6lxdiaxq0370rigbwspj31nn1a8-mpc-1.0.3
   /gnu/store/sbsrma5yd943smdvcr7wnd2x5hd8jm7c-cloog-0.18.0
   /gnu/store/vachrk9j3f8yrh52v1yiwjv40dhaahnh-ld-wrapper-mips64el-linux-gn=
u-0
$ ./pre-inst-env guix build -e '((@@ (gnu packages cross-base) cross-gcc) "=
mips64el-linux-gnuabi64")' -n --no-grafts
substitute: updating list of substitutes from 'http://hydra.gnunet.org'... =
100.0%
The following files would be downloaded:
   /gnu/store/w97wggnw4vqzknlnvhplfm722spsh66r-gcc-cross-sans-libc-mips64el=
-linux-gnuabi64-4.9.3
   /gnu/store/54cam4jxh59kv32xawq531h2hz397bia-binutils-cross-mips64el-linu=
x-gnuabi64-2.25.1
   /gnu/store/5b2k4mmfyp3vimjqiq8msk2dsyaj2yg4-ld-wrapper-mips64el-linux-gn=
uabi64-0
   /gnu/store/d9rk59ff8zc42726fr2zdr572kb152i6-isl-0.11.1
   /gnu/store/hm1mw6lxdiaxq0370rigbwspj31nn1a8-mpc-1.0.3
   /gnu/store/sbsrma5yd943smdvcr7wnd2x5hd8jm7c-cloog-0.18.0
--8<---------------cut here---------------end--------------->8---

So maybe the failure is specific to i686 or something?

(In which case it=E2=80=99s of course still worth fixing.  Just trying to
understand.)

Thanks for the analysis, and apologies for the loooong delay!

Ludo=E2=80=99.