Bug#1030941: librsb: build-depends unsatisfiable on armhf

[Peter Michael Green]

On 09/02/2023 23:43, Michele Martone wrote:
> On 20230209 at 17:50, Peter Green wrote:
>> Package: librsb
>> Version: 1.3.0.2+dfsg-1
>> Tags: bookworm, sid
>> Severity: serious
>> Justification: rc policy - "packages must be buildable within the same release"
>> User: debian-qa at lists.debian.org
>> Usertags: edos-uninstallable
>>
>> librsb build-depends on coccinelle which appears to have been removed
>> on armhf, presumablly because it fails to build with an out of memory
>> error. This leaves your package in violation of the rc policy.
>>
>> In general in cases like this there are three possible ways forward,
>> in roughly descending order of preference.
>>
>> 1. Fix the package you depend on so that it once again builds on
>>      all release architectures.
>> 2. Modify your package to eliminate the build-dependency in question
>>      on architectures where it is not available.
>> 3. Decide it is not reasonable to support your package on armhf and
>>      file a removal request with the ftp team.
>>
>> I do not know enough about your individual package to say which are
>> feasible in your particular case.
> The coccinelle-based patch was there only for gcc-11, which had a bug
> in -O3 and generated buggy code.
>
> So if one is sure to build with a different compiler thant gcc-11,
> one can drop the coccinelle patch.
> Otherwise one can remedy by using '-O3 -fno-tree-loop-vectorize'
> instead of '-O3'.
>
> Is it safe to assume gcc-11 is *not* being used?

It should be safe, but I would suggest adding a
build-dependency on gcc (>= 12) to make sure
the package is not inadvertently built in an out of
date environment.