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# Copyright 2013-2019 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)
from spack.spec import ConflictsInSpecError
yaml_cpp_tests_libcxx_error_msg = 'yaml-cpp tests incompatible with libc++'
class YamlCpp(CMakePackage):
"""A YAML parser and emitter in C++"""
homepage = "https://github.com/jbeder/yaml-cpp"
url = "https://github.com/jbeder/yaml-cpp/archive/yaml-cpp-0.5.3.tar.gz"
git = "https://github.com/jbeder/yaml-cpp.git"
version('develop', branch='master')
version('0.6.2', '5b943e9af0060d0811148b037449ef82')
version('0.5.3', '2bba14e6a7f12c7272f87d044e4a7211')
variant('shared', default=True,
description='Enable build of shared libraries')
variant('pic', default=True,
description='Build with position independent code')
variant('tests', default=False,
description='Build yaml-cpp tests using internal gtest')
depends_on('boost@:1.66.99', when='@:0.5.3')
conflicts('%gcc@:4.7', when='@0.6.0:', msg="versions 0.6.0: require c++11 support")
conflicts('%clang@:3.3.0', when='@0.6.0:', msg="versions 0.6.0: require c++11 support")
# currently we can't check for apple-clang's version
# conflicts('%clang@:4.0.0-apple', when='@0.6.0:',
# msg="versions 0.6.0: require c++11 support")
conflicts('%intel@:11.1', when='@0.6.0:', msg="versions 0.6.0: require c++11 support")
conflicts('%xl@:13.1', when='@0.6.0:', msg="versions 0.6.0: require c++11 support")
conflicts('%xl_r@:13.1', when='@0.6.0:', msg="versions 0.6.0: require c++11 support")
conflicts('%clang cxxflags="-stdlib=libc++"', when='+tests',
msg=yaml_cpp_tests_libcxx_error_msg)
def flag_handler(self, name, flags):
# We cannot catch all conflicts with the conflicts directive because
# the user can add arbitrary strings to the flags. Here we can at least
# fail early.
# We'll include cppflags in case users mistakenly put c++ flags there.
spec = self.spec
if name in ('cxxflags', 'cppflags') and spec.satisfies('+tests'):
if '-stdlib=libc++' in flags:
raise ConflictsInSpecError(
spec,
[(spec,
spec.compiler_flags[name],
spec.variants['tests'],
yaml_cpp_tests_libcxx_error_msg)]
)
return (flags, None, None)
def cmake_args(self):
spec = self.spec
options = []
options.extend([
'-DBUILD_SHARED_LIBS:BOOL=%s' % (
'ON' if '+shared' in spec else 'OFF'),
'-DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=%s' % (
'ON' if '+pic' in spec else 'OFF'),
'-DYAML_CPP_BUILD_TESTS:BOOL=%s' % (
'ON' if '+tests' in spec else 'OFF'),
])
return options
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