GNU bug report logs - #78241
[PATCH core-packages-team] Update Hurd and Mach

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From: yelninei <at> tutamail.com
To: Janneke Nieuwenhuizen <janneke <at> gnu.org>
Cc: 78241 <at> debbugs.gnu.org
Subject: [bug#78241] [PATCH core-packages-team] Update Hurd and Mach
Date: Sat, 10 May 2025 10:00:09 +0200 (CEST)

[Message part 1 (text/plain, inline)]

Hello Janneke,

Attached a patch to relax gcc-14 for rumpkernel for core-packages-team. It might be not be needed with the 20250111 tag but I have not found the patience to look into updating it.

It overwrites HOST_CFLAGS which are -O by default. Let me know if you want to add the -Wno-implicit-function-declaration instead of replacing.
May 6, 2025, 15:23 by yelninei <at> tutamail.com:

> Hi Janneke,
>
> May 6, 2025, 13:16 by janneke <at> gnu.org:
>
>>
>> Hmm, any idea why adding that flag has become necessary?  Should that
>> maybe be part of this patch set then?  If so, you can send a "fixup!" or
>> "squash!" commit.
>>
> The -Wno-implicit-function-declaration is for rumpkernel and unrelated to hurd/mach.
> I have just started trying to send some of the patches I have been sitting on for a while.
>
> Here is the full error:
> /tmp/guix-build-rumpkernel-0-20211031-0.f1ffd64.drv-0/source/> buildrump.sh/src/tools/sed/../../usr.bin/sed/process.c <http://buildrump.sh/src/tools/sed/../../usr.bin/sed/process.c>> : In function 'lputs':
> /tmp/guix-build-rumpkernel-0-20211031-0.f1ffd64.drv-0/source/> buildrump.sh/src/tools/sed/../../usr.bin/sed/process.c:636:41 <http://buildrump.sh/src/tools/sed/../../usr.bin/sed/process.c:636:41>> : error: implicit declaration of function 'wcwidth' [-Wimplicit-function-declaration]
>   636 |                         width = (size_t)wcwidth(wc);
>
>
> This is caused by using gcc-14 for the HOST_CC and adding gcc-14 as a native-input reproduces the issue on the master branch. Until now the HOST_CC was gcc-11 and only the CROSS_CC has been gcc-14.
>
> In my current checkout I have "fixed" it by adding
>  -V HOST_CFLAGS=-Wno-implicit-function-declaration to the build.sh invocation to silence the warning.
>
> I also saw that rumpkernel has a 20250111 tag in the debian repository but struggled adapting the build system to the new version.
>
>
>

[0001-gnu-rumpkernel-Fix-build-with-gcc-14.patch (text/x-patch, attachment)]

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