[Fedora-packaging] Introducing a directory for installed test programs

[Panu Matilainen]

On 02/07/2012 12:04 PM, Ralf Corsepius wrote:
> On 02/07/2012 10:36 AM, Panu Matilainen wrote:
>> On 02/06/2012 05:30 PM, Tom Callaway wrote:
>>> On 02/06/2012 03:58 PM, Julio Merino wrote:
>>>> What do you mean by "multi-lib heartburn in RPM"? (Sorry, not familiar
>>>> from the term and a couple of Google searches did't provide much
>>>> insight.) FWIW, I have a preliminary atf.spec file here that provides
>>>> subpackages for libraries, tests and binaries and things seem to be
>>>> fine
>>>> to my untrained eye. I can share this file if it helps at all.
>>>
>>> No, what I meant here is that RPM, when dealing with multi-arch support
>>> (essentially the ability to simultaneously foo.i686.rpm and
>>> foo.x86_64.rpm containing the same set of files, just built for the
>>> different architecture targets), won't understand /usr/tests (or
>>> /usr/libexec/tests for that matter).
>>>
>>> However, if you want to be able to support this use-case, you'll need to
>>> do something here to enable it, such as requiring that architecture be
>>> embedded in the naming scheme, e.g. /usr/tests/xpdf-x86_64/
>>
>> Um, rpm doesn't do multilib conflict resolution based on specific
>> directories but file type, essentially 32bit vs 64bit ELF. So if
>> foo-test.i686 and too-test.x86_64 both place an ELF binary into eg
>> /usr/libexec/tests/foo, the file from the preferred arch (normally the
>> 64bit one) will "win", the other file is not installed at all and no
>> conflict is raised.
>>
>> Whether you actually *want* that behavior is another question: tests and
>> their associated data can just as well be arch-specific or
>> arch-independent. The only safe assumption is to assume arch-specific
>> and put all test executables and associated data into arch-specific
>> paths (whether some variant of lib vs lib64 style differentation or by
>> actually embedding the arch string).
>
> %{_libdir}/<package>/<somewhere> avoids all these issues.

Yes, except for noarch packages where %{_libdir} is not meaningful.

	- Panu -