GNU bug report logs - #49113
aarch64-linux-gnu cross-compiler fails to build [core-updates]

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Message #14 received at 49113 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Maxime Devos <maximedevos <at> telenet.be>
Cc: 49113 <at> debbugs.gnu.org
Subject: Re: bug#49113: aarch64-linux-gnu cross-compiler fails to build
 [core-updates]
Date: Sun, 04 Jul 2021 22:33:34 +0200

Hello,

Ludovic Courtès <ludo <at> gnu.org> skribis:

> Maxime Devos <maximedevos <at> telenet.be> skribis:
>
>> aarch64-linux-gnu-ld: skipping incompatible /gnu/store/31pavw3yzfck5sql6rjv92ahi8x9dhaj-glibc-cross-aarch64-linux-gnu-2.33/lib/libc.so when searching for -lc
>> [ previous line 2 times repeated ]
>> aarch64-linux-gnu-ld: cannot find -lc
>> aarch64-linux-gnu-ld: skipping incompatible /gnu/store/31pavw3yzfck5sql6rjv92ahi8x9dhaj-glibc-cross-aarch64-linux-gnu-2.33/lib/libc.so when searching for -lc
>> [ previous line 2 times repeated ]
>> collect2: error: ld returned 1 exit status
>> make[2]: *** [Makefile:985: libgcc_s.so] Error 1
>
> As discussed on IRC, the problem seems to be that, when cross-compiling,
> the ‘OUTPUT_FORMAT’ bit in libc.so is wrong (“elf64-little” instead of
> “elf64-littleaarch64”).  This, in turn, seems to be due to a regression
> in how glibc’s build machinery computes that value, which is fixed by
> this patch:
>
>   https://sourceware.org/pipermail/libc-alpha/2021-July/128333.html
>
> I haven’t had feedback from upstream yet but I’ll apply it soonish in
> Guix as it does the job.

Pushed as 949ed7aae1e9418ea99f569efe6cb03349485508!

Ludo’.

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