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# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
import spack.compilers
from spack.pkg.builtin.clingo import Clingo
class ClingoBootstrap(Clingo):
"""Clingo with some options used for bootstrapping"""
maintainers = ['alalazo']
variant('build_type', default='Release', values=('Release',),
description='CMake build type')
# CMake at version 3.16.0 or higher has the possibility to force the
# Python interpreter, which is crucial to build against external Python
# in environment where more than one interpreter is in the same prefix
depends_on('cmake@3.16.0:', type='build')
# On Linux we bootstrap with GCC
for compiler_spec in [
c for c in spack.compilers.supported_compilers()
if c != 'gcc'
]:
conflicts('%{0}'.format(compiler_spec), when='platform=linux',
msg='GCC is required to bootstrap clingo on Linux')
conflicts('%{0}'.format(compiler_spec), when='platform=cray',
msg='GCC is required to bootstrap clingo on Cray')
conflicts(
'%gcc@:5.99.99', msg='C++14 support is required to bootstrap clingo'
)
# On Darwin we bootstrap with Apple Clang
for compiler_spec in [
c for c in spack.compilers.supported_compilers()
if c != 'apple-clang'
]:
conflicts('%{0}'.format(compiler_spec), when='platform=darwin',
msg='Apple-clang is required to bootstrap clingo on MacOS')
# Clingo needs the Python module to be usable by Spack
conflicts('~python', msg='Python support is required to bootstrap Spack')
@property
def cmake_py_shared(self):
return self.define('CLINGO_BUILD_PY_SHARED', 'OFF')
def cmake_args(self):
args = super(ClingoBootstrap, self).cmake_args()
args.extend([
# Avoid building the clingo executable
self.define('CLINGO_BUILD_APPS', 'OFF'),
])
return args
def setup_build_environment(self, env):
if '%apple-clang platform=darwin' in self.spec:
opts = '-mmacosx-version-min=10.13'
elif '%gcc' in self.spec:
# This is either linux or cray
opts = '-static-libstdc++ -static-libgcc -Wl,--exclude-libs,ALL'
else:
msg = 'unexpected compiler for spec "{0}"'.format(self.spec)
raise RuntimeError(msg)
env.set('CXXFLAGS', opts)
env.set('LDFLAGS', opts)
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