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Re: Failed build for seqan2 on i386

Am 12.02.21 um 22:56 schrieb Aaron M. Ucko:
> Andreas Tille <tille@debian.org> writes:
>> But other 32bit architectures like armel and armhf are passing[2].  So I
>> fail to see why exactly i386 is failing.  Is this possibly an effect of
>> bug #917851?
> Probably not; dropping the bug to a Bcc.  Experimentation in an i386
> chroot reveals the problem to be specifically with yara_mapper, which
> https://salsa.debian.org/med-team/seqan2/-/blob/master/debian/patches/skip-some-apps-on-some-archs
> explicitly excludes (along with yara_indexer) on several other 32-bit
> platforms.  We could go the same route for i386, but AFAICT it suffices
> to drop the optimization level back down to -O2 for this specific
> application, by adding
> # Drop back from global -O3 on i386 to avoid
> # "virtual memory exhausted: Operation not permitted"
>     target_compile_options (yara_mapper PRIVATE "-O2")
> endif ()
> to apps/yara/CMakeLists.txt following the add_executable call for
> yara_mapper.  (If and when debian/rules honors noopt, we should further
> conditionalize this call accordingly, but I'm not familiar enough with
> cmake to come up with the correct syntax offhand.)  We could perhaps try
> doing the same for other affected platforms in an upload to
> experimental.

Well done!

Many thanks!


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