78 lines
3.1 KiB
Python
78 lines
3.1 KiB
Python
# Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
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# Spack Project Developers. See the top-level COPYRIGHT file for details.
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#
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# SPDX-License-Identifier: (Apache-2.0 OR MIT)
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from spack import *
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import os
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class Flang(CMakePackage):
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"""Flang is a Fortran compiler targeting LLVM."""
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homepage = "https://github.com/flang-compiler/flang"
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url = "https://github.com/flang-compiler/flang/archive/flang_20180612.tar.gz"
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git = "https://github.com/flang-compiler/flang.git"
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version('develop', branch='master')
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version('20180921', '4440ed5fdc390e4b7a085fb77b44ac54')
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version('20180612', '62284e26214eaaff261a922c67f6878c')
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depends_on('llvm@flang-develop', when='@develop')
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depends_on('llvm@flang-20180921', when='@20180921 target=x86_64')
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depends_on('llvm@flang-20180612', when='@20180612 target=x86_64')
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# LLVM version specific to OpenPOWER.
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depends_on('llvm@flang-ppc64le-20180921', when='@20180921 target=ppc64le')
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depends_on('llvm@flang-ppc64le-20180612', when='@20180612 target=ppc64le')
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depends_on('pgmath@develop', when='@develop')
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depends_on('pgmath@20180921', when='@20180921')
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depends_on('pgmath@20180612', when='@20180612')
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def cmake_args(self):
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options = [
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'-DWITH_WERROR=OFF',
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'-DCMAKE_C_COMPILER=%s' % os.path.join(
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self.spec['llvm'].prefix.bin, 'clang'),
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'-DCMAKE_CXX_COMPILER=%s' % os.path.join(
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self.spec['llvm'].prefix.bin, 'clang++'),
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'-DCMAKE_Fortran_COMPILER=%s' % os.path.join(
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self.spec['llvm'].prefix.bin, 'flang'),
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'-DFLANG_LIBOMP=%s' % find_libraries(
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'libomp', root=self.spec['llvm'].prefix.lib)
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]
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return options
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@run_after('install')
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def post_install(self):
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# we are installing flang in a path different from llvm, so we
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# create a wrapper with -L for e.g. libflangrti.so and -I for
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# e.g. iso_c_binding.mod. -B is needed to help flang to find
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# flang1 and flang2. rpath_arg is needed so that executables
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# generated by flang can find libflang later.
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flang = os.path.join(self.spec.prefix.bin, 'flang')
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with open(flang, 'w') as out:
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out.write('#!/bin/bash\n')
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out.write(
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'{0} -I{1} -L{2} -L{3} {4}{5} {6}{7} -B{8} "$@"\n'.format(
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self.spec['llvm'].prefix.bin.flang,
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self.prefix.include, self.prefix.lib,
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self.spec['pgmath'].prefix.lib,
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self.compiler.fc_rpath_arg, self.prefix.lib,
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self.compiler.fc_rpath_arg,
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self.spec['pgmath'].prefix.lib, self.spec.prefix.bin))
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out.close()
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chmod = which('chmod')
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chmod('+x', flang)
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def setup_environment(self, spack_env, run_env):
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# to find llvm's libc++.so
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spack_env.set('LD_LIBRARY_PATH', self.spec['llvm'].prefix.lib)
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run_env.set('FC', join_path(self.spec.prefix.bin, 'flang'))
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run_env.set('F77', join_path(self.spec.prefix.bin, 'flang'))
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run_env.set('F90', join_path(self.spec.prefix.bin, 'flang'))
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