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| author | Todd Gamblin <tgamblin@llnl.gov> | 2016-06-20 17:11:09 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-06-20 17:11:09 -0700 |
| commit | db81a74d662e1bda9f4384e99088d15adf94261f (patch) | |
| tree | 2d15690406051511c0cac0fe8964cb68c2fb21bf | |
| parent | a3431c5a733d104bc5a1ce72b5dcc9c012fe933c (diff) | |
| parent | 68c681bb788c86dc45c4df042f513fbf8a3e2c5f (diff) | |
| download | spack-db81a74d662e1bda9f4384e99088d15adf94261f.tar.gz spack-db81a74d662e1bda9f4384e99088d15adf94261f.tar.bz2 spack-db81a74d662e1bda9f4384e99088d15adf94261f.tar.xz spack-db81a74d662e1bda9f4384e99088d15adf94261f.zip | |
Merge pull request #939 from davydden/docs/blas_lapack
document blas and lapack usage in packages
| -rw-r--r-- | lib/spack/docs/packaging_guide.rst | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/spack/docs/packaging_guide.rst b/lib/spack/docs/packaging_guide.rst index 1f83f611b0..54b886310a 100644 --- a/lib/spack/docs/packaging_guide.rst +++ b/lib/spack/docs/packaging_guide.rst @@ -1950,6 +1950,19 @@ instead of hard-coding ``join_path(self.spec['mpi'].prefix.bin, 'mpicc')`` for the reasons outlined above. +Blas and Lapack libraries +~~~~~~~~~~~~~~~~~~~~~~~~~ +Different packages provide implementation of ``Blas`` and ``Lapack`` routines. +The names of the resulting static and/or shared libraries differ from package +to package. In order to make ``install()`` method indifferent to the +choice of ``Blas`` implementation, each package which provides it +sets up ``self.spec.blas_shared_lib`` and ``self.spec.blas_static_lib `` to +point to the shared and static ``Blas`` libraries, respectively. The same +applies to packages which provide ``Lapack``. Package developers are advised to +use these variables, for example ``spec['blas'].blas_shared_lib`` instead of +hard-coding ``join_path(spec['blas'].prefix.lib, 'libopenblas.so')``. + + Forking ``install()`` ~~~~~~~~~~~~~~~~~~~~~ |