diff options
Diffstat (limited to 'var/spack/repos/builtin/packages/openblas/package.py')
| -rw-r--r-- | var/spack/repos/builtin/packages/openblas/package.py | 67 |
1 files changed, 65 insertions, 2 deletions
diff --git a/var/spack/repos/builtin/packages/openblas/package.py b/var/spack/repos/builtin/packages/openblas/package.py index 9f13d0690b..d147533491 100644 --- a/var/spack/repos/builtin/packages/openblas/package.py +++ b/var/spack/repos/builtin/packages/openblas/package.py @@ -1,29 +1,35 @@ from spack import * import sys import os +import shutil class Openblas(Package): """OpenBLAS: An optimized BLAS library""" homepage = "http://www.openblas.net" url = "http://github.com/xianyi/OpenBLAS/archive/v0.2.15.tar.gz" + version('0.2.18', '805e7f660877d588ea7e3792cda2ee65') version('0.2.17', '664a12807f2a2a7cda4781e3ab2ae0e1') version('0.2.16', 'fef46ab92463bdbb1479dcec594ef6dc') version('0.2.15', 'b1190f3d3471685f17cfd1ec1d252ac9') - variant('shared', default=True, description="Build shared libraries as well as static libs.") + variant('shared', default=True, description="Build shared libraries as well as static libs.") + variant('openmp', default=False, description="Enable OpenMP support.") + variant('fpic', default=True, description="Build position independent code") # virtual dependency provides('blas') provides('lapack') + patch('make.patch') def install(self, spec, prefix): # Openblas is picky about compilers. Configure fails with # FC=/abs/path/to/f77, whereas FC=f77 works fine. # To circumvent this, provide basename only: make_defs = ['CC=%s' % os.path.basename(spack_cc), - 'FC=%s' % os.path.basename(spack_f77)] + 'FC=%s' % os.path.basename(spack_f77), + 'MAKE_NO_J=1'] make_targets = ['libs', 'netlib'] @@ -31,12 +37,24 @@ class Openblas(Package): if '+shared' in spec: make_targets += ['shared'] else: + if '+fpic' in spec: + make_defs.extend(['CFLAGS=-fPIC', 'FFLAGS=-fPIC']) make_defs += ['NO_SHARED=1'] # fix missing _dggsvd_ and _sggsvd_ if spec.satisfies('@0.2.16'): make_defs += ['BUILD_LAPACK_DEPRECATED=1'] + # Add support for OpenMP + if '+openmp' in spec: + # Note: Apple's most recent Clang 7.3.0 still does not support OpenMP. + # What is worse, Openblas (as of 0.2.18) hardcoded that OpenMP cannot + # be used with any (!) compiler named clang, bummer. + if spec.satisfies('%clang'): + raise InstallError('OpenBLAS does not support OpenMP with clang!') + + make_defs += ['USE_OPENMP=1'] + make_args = make_defs + make_targets make(*make_args) @@ -58,6 +76,10 @@ class Openblas(Package): if '+shared' in spec: symlink('libopenblas.%s' % dso_suffix, 'liblapack.%s' % dso_suffix) + # Openblas may pass its own test but still fail to compile Lapack + # symbols. To make sure we get working Blas and Lapack, do a small test. + self.check_install(spec) + def setup_dependent_package(self, module, dspec): # This is WIP for a prototype interface for virtual packages. @@ -70,3 +92,44 @@ class Openblas(Package): if '+shared' in self.spec: self.spec.blas_shared_lib = join_path(libdir, 'libopenblas.%s' % dso_suffix) self.spec.lapack_shared_lib = self.spec.blas_shared_lib + + def check_install(self, spec): + # TODO: Pull this out to the framework function which recieves a pair of xyz.c and xyz.output + print "Checking Openblas installation..." + source_file = join_path(os.path.dirname(self.module.__file__), + 'test_cblas_dgemm.c') + output_file = join_path(os.path.dirname(self.module.__file__), + 'test_cblas_dgemm.output') + + with open(output_file, 'r') as f: + expected = f.read() + + cc = which('cc') + cc('-c', "-I%s" % join_path(spec.prefix, "include"), source_file) + link_flags = ["-L%s" % join_path(spec.prefix, "lib"), + "-llapack", + "-lblas", + "-lpthread" + ] + if '+openmp' in spec: + link_flags.extend([self.compiler.openmp_flag]) + cc('-o', "check", "test_cblas_dgemm.o", + *link_flags) + + try: + check = Executable('./check') + output = check(return_output=True) + except: + output = "" + success = output == expected + if not success: + print "Produced output does not match expected output." + print "Expected output:" + print '-'*80 + print expected + print '-'*80 + print "Produced output:" + print '-'*80 + print output + print '-'*80 + raise RuntimeError("Openblas install check failed") |