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bug#36882: QEMU 4 fails to build for x86_64-linux

From: Ludovic Courtès
Subject: bug#36882: QEMU 4 fails to build for x86_64-linux
Date: Fri, 23 Aug 2019 14:58:22 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux)


Leo Famulari <address@hidden> skribis:

> While testing the upgrade of our QEMU package to 4.0.0 or 4.1.0-rc3 on
> x86_64-linux, the build fails when the header 'gnu/stubs-32.h' can't be
> found:
> ------
> In file included from 
> /gnu/store/h90vnqw0nwd0hhm1l5dgxsdrigddfmq4-glibc-2.28/include/features.h:452:0,
>                  from 
> /gnu/store/h90vnqw0nwd0hhm1l5dgxsdrigddfmq4-glibc-2.28/include/bits/libc-header-start.h:33,
>                  from 
> /gnu/store/h90vnqw0nwd0hhm1l5dgxsdrigddfmq4-glibc-2.28/include/stdint.h:26,
>                  from linuxboot_dma.c:65:
> /gnu/store/h90vnqw0nwd0hhm1l5dgxsdrigddfmq4-glibc-2.28/include/gnu/stubs.h:7:27:
>  fatal error: gnu/stubs-32.h: No such file or directory
> compilation terminated.
> make[1]: *** 
> [/tmp/guix-build-qemu-4.1.0-rc3.drv-0/qemu-4.1.0-rc3/rules.mak:69: 
> linuxboot_dma.o] Error 1
> make[1]: Leaving directory 
> '/tmp/guix-build-qemu-4.1.0-rc3.drv-0/qemu-4.1.0-rc3/pc-bios/optionrom'
> make: *** [Makefile:519: pc-bios/optionrom/all] Error 2
> ------
> And of course, this header is not installed by glibc when it is built
> for 64-bit systems.

That’s a “multilib header”, which our ‘glibc’ package doesn’t provide.
Normally it’s only needed when doing “gcc -m32” on x86_64 or similar.

Can you show the GCC command that leads to this error?


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