From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Subject: bug#36882: QEMU 4 fails to build for x86_64-linux
Date: Fri, 23 Aug 2019 14:58:22 +0200
Message-ID: <8736hs6ntd.fsf@gnu.org>
References: <20190731200334.GA29724@jasmine.lan>
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To: Leo Famulari <leo@famulari.name>
Cc: 36882@debbugs.gnu.org

Hi,

Leo Famulari <leo@famulari.name> 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.m=
ak: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=E2=80=99s a =E2=80=9Cmultilib header=E2=80=9D, which our =E2=80=98glib=
c=E2=80=99 package doesn=E2=80=99t provide.
Normally it=E2=80=99s only needed when doing =E2=80=9Cgcc -m32=E2=80=9D on =
x86_64 or similar.

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

Thanks,
Ludo=E2=80=99.