Running
./pre-inst-env guix build --target=i686-unknown-linux-gnu hello
on core-updates (and similarly on core-updates-next) fails with
--8<---------------cut here---------------start------------->8---
checking for i686-unknown-linux-gnu-gcc...
/tmp/guix-build-gcc-cross-sans-libc-i686-unknown-linux-gnu-7.4.0.drv-0/build/./gcc/xgcc
-B/tmp/guix-build-gcc-cross-sans-libc-i686-unknown-linux-gnu-7.4.0.drv-0/build/./gcc/
-B/gnu/store/p4x4981zidgq36rjkx0bxb466s81xk2z-gcc-cross-sans-libc-i686-unknown-linux-gnu-7.4.0/i686-unknown-linux-gnu/bin/
-B/gnu/store/p4x4981zidgq36rjkx0bxb466s81xk2z-gcc-cross-sans-libc-i686-unknown-linux-gnu-7.4.0/i686-unknown-linux-gnu/lib/
-isystem
/gnu/store/p4x4981zidgq36rjkx0bxb466s81xk2z-gcc-cross-sans-libc-i686-unknown-linux-gnu-7.4.0/i686-unknown-linux-gnu/include
-isystem
/gnu/store/p4x4981zidgq36rjkx0bxb466s81xk2z-gcc-cross-sans-libc-i686-unknown-linux-gnu-7.4.0/i686-unknown-linux-gnu/sys-include
checking for C compiler default output file name...
configure: error: in
`/tmp/guix-build-gcc-cross-sans-libc-i686-unknown-linux-gnu-7.4.0.drv-0/build/i686-unknown-linux-gnu/libmpx':
configure: error: C compiler cannot create executables
See `config.log' for more details.
--8<---------------cut here---------------end--------------->8---
The attached patch fixes this.
I stumbled upon this while working to fix #37549. Where should this
patch land?
Greetings,
janneke
>From 522aac698a66ca8ab73ac3827c61cb65627684d3 Mon Sep 17 00:00:00 2001
From: Jan Nieuwenhuizen <jann...@gnu.org>
Date: Sun, 29 Sep 2019 13:08:01 +0200
Subject: [PATCH] gnu: gcc: Fix i686-linux cross compiler.
This resurrects
./pre-inst-env guix build --target=i686-unknown-linux-gnu hello
* gnu/packages/cross-base.scm (cross-gcc-arguments): Do not build libmpx;
does not cross-configure.
---
gnu/packages/cross-base.scm | 1 +
1 file changed, 1 insertion(+)
diff --git a/gnu/packages/cross-base.scm b/gnu/packages/cross-base.scm
index 7108000f06..fab4636450 100644
--- a/gnu/packages/cross-base.scm
+++ b/gnu/packages/cross-base.scm
@@ -144,6 +144,7 @@ base compiler and using LIBC (which may be either a libc package or #f.)"
"--disable-libatomic"
"--disable-libmudflap"
"--disable-libgomp"
+ "--disable-libmpx" ; C compiler cannot create executables
"--disable-libssp"
"--disable-libquadmath"
"--disable-decimal-float" ;would need libc
--
2.23.0
--
Jan Nieuwenhuizen <jann...@gnu.org> | GNU LilyPond http://lilypond.org
Freelance IT http://JoyofSource.com | Avatar® http://AvatarAcademy.com
