73 lines
2.6 KiB
Python
73 lines
2.6 KiB
Python
from spack import *
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import sys
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import os
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class Openblas(Package):
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"""OpenBLAS: An optimized BLAS library"""
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homepage = "http://www.openblas.net"
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url = "http://github.com/xianyi/OpenBLAS/archive/v0.2.15.tar.gz"
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version('0.2.17', '664a12807f2a2a7cda4781e3ab2ae0e1')
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version('0.2.16', 'fef46ab92463bdbb1479dcec594ef6dc')
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version('0.2.15', 'b1190f3d3471685f17cfd1ec1d252ac9')
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variant('shared', default=True, description="Build shared libraries as well as static libs.")
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# virtual dependency
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provides('blas')
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provides('lapack')
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def install(self, spec, prefix):
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# Openblas is picky about compilers. Configure fails with
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# FC=/abs/path/to/f77, whereas FC=f77 works fine.
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# To circumvent this, provide basename only:
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make_defs = ['CC=%s' % os.path.basename(spack_cc),
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'FC=%s' % os.path.basename(spack_f77)]
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make_targets = ['libs', 'netlib']
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# Build shared if variant is set.
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if '+shared' in spec:
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make_targets += ['shared']
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else:
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make_defs += ['NO_SHARED=1']
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# fix missing _dggsvd_ and _sggsvd_
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if spec.satisfies('@0.2.16'):
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make_defs += ['BUILD_LAPACK_DEPRECATED=1']
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make_args = make_defs + make_targets
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make(*make_args)
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make("tests", *make_defs)
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# no quotes around prefix (spack doesn't use a shell)
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make('install', "PREFIX=%s" % prefix, *make_defs)
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# Blas virtual package should provide blas.a and libblas.a
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with working_dir(prefix.lib):
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symlink('libopenblas.a', 'blas.a')
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symlink('libopenblas.a', 'libblas.a')
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if '+shared' in spec:
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symlink('libopenblas.%s' % dso_suffix, 'libblas.%s' % dso_suffix)
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# Lapack virtual package should provide liblapack.a
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with working_dir(prefix.lib):
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symlink('libopenblas.a', 'liblapack.a')
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if '+shared' in spec:
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symlink('libopenblas.%s' % dso_suffix, 'liblapack.%s' % dso_suffix)
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def setup_dependent_package(self, module, dspec):
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# This is WIP for a prototype interface for virtual packages.
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# We can update this as more builds start depending on BLAS/LAPACK.
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libdir = find_library_path('libopenblas.a', self.prefix.lib64, self.prefix.lib)
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self.spec.blas_static_lib = join_path(libdir, 'libopenblas.a')
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self.spec.lapack_static_lib = self.spec.blas_static_lib
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if '+shared' in self.spec:
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self.spec.blas_shared_lib = join_path(libdir, 'libopenblas.%s' % dso_suffix)
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self.spec.lapack_shared_lib = self.spec.blas_shared_lib
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