spack/var/spack/repos/builtin/packages/iwyu/package.py

# Copyright 2013-2022 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 archspec

from spack.package import *


class Iwyu(CMakePackage):
    """include-what-you-use: A tool for use with clang to analyze #includes in
    C and C++ source files
    """

    homepage = "https://include-what-you-use.org"
    url      = "https://include-what-you-use.org/downloads/include-what-you-use-0.13.src.tar.gz"

    maintainers = ['sethrj']

    version('0.17', sha256='eca7c04f8b416b6385ed00e33669a7fa4693cd26cb72b522cde558828eb0c665')
    version('0.16', sha256='8d6fc9b255343bc1e5ec459e39512df1d51c60e03562985e0076036119ff5a1c')
    version('0.15', sha256='2bd6f2ae0d76e4a9412f468a5fa1af93d5f20bb66b9e7bf73479c31d789ac2e2')
    version('0.14', sha256='43184397db57660c32e3298a6b1fd5ab82e808a1f5ab0591d6745f8d256200ef')
    version('0.13', sha256='49294270aa64e8c04182369212cd919f3b3e0e47601b1f935f038c761c265bc9')
    version('0.12', sha256='a5892fb0abccb820c394e4e245c00ef30fc94e4ae58a048b23f94047c0816025')
    version('0.11', sha256='2d2877726c4aed9518cbb37673ffbc2b7da9c239bf8fe29432da35c1c0ec367a')

    patch('iwyu-013-cmake.patch', when='@0.13:0.14')

    depends_on('llvm+clang@13.0:13', when='@0.17')
    depends_on('llvm+clang@12.0:12', when='@0.16')
    depends_on('llvm+clang@11.0:11', when='@0.15')
    depends_on('llvm+clang@10.0:10', when='@0.14')
    depends_on('llvm+clang@9.0:9', when='@0.13')
    depends_on('llvm+clang@8.0:8', when='@0.12')
    depends_on('llvm+clang@7.0:7', when='@0.11')

    # iwyu uses X86AsmParser so must have the x86 target on non-x86 arch
    _arches = set(str(x.family) for x in archspec.cpu.TARGETS.values())
    for _arch in _arches - set(['x86', 'x86_64']):
        depends_on('llvm targets=x86', when='arch={0}:'.format(_arch))

    @when('@0.14:')
    def cmake_args(self):
        return [self.define('CMAKE_CXX_STANDARD', 14),
                self.define('CMAKE_CXX_EXTENSIONS', False)]

    @run_after('install')
    def link_resources(self):
        # iwyu needs to find Clang's headers
        # https://github.com/include-what-you-use/include-what-you-use/blob/master/README.md#how-to-install
        mkdir(self.prefix.lib)
        symlink(self.spec['llvm'].prefix.lib.clang, self.prefix.lib.clang)