diff options
Diffstat (limited to 'lib')
| -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()`` ~~~~~~~~~~~~~~~~~~~~~ |