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from spack import *
class BaseWithDirectives(Package):
depends_on('cmake', type='build')
depends_on('mpi')
variant('openblas', description='Activates openblas', default=True)
provides('service1')
class SimpleInheritance(BaseWithDirectives):
"""Simple package which acts as a build dependency"""
homepage = "http://www.example.com"
url = "http://www.example.com/simple-1.0.tar.gz"
version('1.0', '0123456789abcdef0123456789abcdef')
depends_on('openblas', when='+openblas')
provides('lapack', when='+openblas')
def install(self, spec, prefix):
pass
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