[opensuse-buildservice] only src.rpm build ?
Hi, just a question, do we have a use case somewhere, where only a src.rpm should get build, but no binary packages ? We have frequently the case that people are confused why OBS can not expand their BuildRequires, even though the package build successfully. So I think about to let a build failing, if no binarie rpms are generated. (The case that only a src.rpm is created happens by wrong usage of %if statements frequently. This leads to the situation that no %files section is there anymore). bye adrian -- Adrian Schroeter SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg) email: adrian@suse.de --------------------------------------------------------------------- To unsubscribe, e-mail: opensuse-buildservice+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-buildservice+help@opensuse.org
Adrian Schröter wrote:
yes, ATLAS: http://math-atlas.sourceforge.net/ It is an optimized BLAS/LAPACK library, useful for numerical computation. The optimization is based on running many different tests during the build, and the performances are CPU dependant (depends on the L1/L2/L3 cache size, etc...). This means it is not possible to build it as an rpm, but a src.rpm is still useful (since the user only has to run rpmbuild bla bla). cheers, David --------------------------------------------------------------------- To unsubscribe, e-mail: opensuse-buildservice+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-buildservice+help@opensuse.org
David Cournapeau wrote:
http://math-atlas.sourceforge.net/faq.html#binary | Can I download a prebuilt binary instead of installing from source? | We provide prebuilt ATLAS libraries for some selected architectures/configurations. Even if the software is able to optimize itself better by compiling it on the target processor you could still build a generic version for the architecture. Those who need the last bit of performance can still rebuild the source then. Also, I don't know if that software offers a library. If it does you may need the generic version for linking other applications. cu Ludwig -- (o_ Ludwig Nussel //\ V_/_ http://www.suse.de/ SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nuernberg) --------------------------------------------------------------------- To unsubscribe, e-mail: opensuse-buildservice+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-buildservice+help@opensuse.org
Ludwig Nussel wrote:
Except that it is terribly out of date (3.4.1 is maybe 5 years old or something). And we all know the pathetic state of linux when trying to distribute binary/distribution independant only anyway (it is basically impossible without huge ressources most open source projects do not have).
The problem is that this is not possible. You can't build a generic version: if I have a CPU with SSE3, it is not possible to build ATLAS without SSE3 instructions. This is a PITA, because even on the same machine, it is not possible to generate the exact same binary (debian does it by recording the build output and replaying it....).
Also, I don't know if that software offers a library. If it does you may need the generic version for linking other applications.
No, it does not ATM. Trust me, I have some knowledge about building ATLAS on various platforms (including but not limited to linux), more than I wish I had: I am a core developer of numpy, which optionally depends on Atlas, and it is the number one problem wrt deployment for us. Most distributions screw up those packages (blas/lapack/Atlas), BTW. I would understand that it is not a big user-case for the build service; but it is a case where source rpm only are useful, and binary rom next to impossible to support correctly (reproducible build, for once). cheers, David --------------------------------------------------------------------- To unsubscribe, e-mail: opensuse-buildservice+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-buildservice+help@opensuse.org
Adrian Schröter wrote:
yes, ATLAS: http://math-atlas.sourceforge.net/ It is an optimized BLAS/LAPACK library, useful for numerical computation. The optimization is based on running many different tests during the build, and the performances are CPU dependant (depends on the L1/L2/L3 cache size, etc...). This means it is not possible to build it as an rpm, but a src.rpm is still useful (since the user only has to run rpmbuild bla bla). cheers, David --------------------------------------------------------------------- To unsubscribe, e-mail: opensuse-buildservice+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-buildservice+help@opensuse.org
David Cournapeau wrote:
http://math-atlas.sourceforge.net/faq.html#binary | Can I download a prebuilt binary instead of installing from source? | We provide prebuilt ATLAS libraries for some selected architectures/configurations. Even if the software is able to optimize itself better by compiling it on the target processor you could still build a generic version for the architecture. Those who need the last bit of performance can still rebuild the source then. Also, I don't know if that software offers a library. If it does you may need the generic version for linking other applications. cu Ludwig -- (o_ Ludwig Nussel //\ V_/_ http://www.suse.de/ SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nuernberg) --------------------------------------------------------------------- To unsubscribe, e-mail: opensuse-buildservice+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-buildservice+help@opensuse.org
Ludwig Nussel wrote:
Except that it is terribly out of date (3.4.1 is maybe 5 years old or something). And we all know the pathetic state of linux when trying to distribute binary/distribution independant only anyway (it is basically impossible without huge ressources most open source projects do not have).
The problem is that this is not possible. You can't build a generic version: if I have a CPU with SSE3, it is not possible to build ATLAS without SSE3 instructions. This is a PITA, because even on the same machine, it is not possible to generate the exact same binary (debian does it by recording the build output and replaying it....).
Also, I don't know if that software offers a library. If it does you may need the generic version for linking other applications.
No, it does not ATM. Trust me, I have some knowledge about building ATLAS on various platforms (including but not limited to linux), more than I wish I had: I am a core developer of numpy, which optionally depends on Atlas, and it is the number one problem wrt deployment for us. Most distributions screw up those packages (blas/lapack/Atlas), BTW. I would understand that it is not a big user-case for the build service; but it is a case where source rpm only are useful, and binary rom next to impossible to support correctly (reproducible build, for once). cheers, David --------------------------------------------------------------------- To unsubscribe, e-mail: opensuse-buildservice+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-buildservice+help@opensuse.org
participants (3)
-
Adrian Schröter -
David Cournapeau -
Ludwig Nussel