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from spack import *
import os
class NetlibBlas(Package):
"""Netlib reference BLAS"""
homepage = "http://www.netlib.org/lapack/"
url = "http://www.netlib.org/lapack/lapack-3.5.0.tgz"
version('3.5.0', 'b1d3e3e425b2e44a06760ff173104bdf')
variant('fpic', default=False, description="Build with -fpic compiler option")
# virtual dependency
provides('blas')
# Doesn't always build correctly in parallel
parallel = False
def patch(self):
os.symlink('make.inc.example', 'make.inc')
mf = FileFilter('make.inc')
mf.filter('^FORTRAN.*', 'FORTRAN = f90')
mf.filter('^LOADER.*', 'LOADER = f90')
mf.filter('^CC =.*', 'CC = cc')
if '+fpic' in self.spec:
mf.filter('^OPTS.*=.*', 'OPTS = -O2 -frecursive -fpic')
mf.filter('^CFLAGS =.*', 'CFLAGS = -O3 -fpic')
def install(self, spec, prefix):
make('blaslib')
# Tests that blas builds correctly
make('blas_testing')
# No install provided
mkdirp(prefix.lib)
install('librefblas.a', prefix.lib)
# Blas virtual package should provide blas.a and libblas.a
with working_dir(prefix.lib):
symlink('librefblas.a', 'blas.a')
symlink('librefblas.a', 'libblas.a')
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