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##############################################################################
# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
# Produced at the Lawrence Livermore National Laboratory.
#
# This file is part of Spack.
# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
# LLNL-CODE-647188
#
# For details, see https://github.com/spack/spack
# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License (as
# published by the Free Software Foundation) version 2.1, February 1999.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
# conditions of the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##############################################################################
import inspect
import os
import platform
import spack.build_environment
from llnl.util.filesystem import working_dir, join_path
from spack.util.environment import filter_system_paths
from spack.directives import depends_on, variant
from spack.package import PackageBase, InstallError, run_after
class CMakePackage(PackageBase):
"""Specialized class for packages built using CMake
For more information on the CMake build system, see:
https://cmake.org/cmake/help/latest/
This class provides three phases that can be overridden:
1. :py:meth:`~.CMakePackage.cmake`
2. :py:meth:`~.CMakePackage.build`
3. :py:meth:`~.CMakePackage.install`
They all have sensible defaults and for many packages the only thing
necessary will be to override :py:meth:`~.CMakePackage.cmake_args`.
For a finer tuning you may also override:
+-----------------------------------------------+--------------------+
| **Method** | **Purpose** |
+===============================================+====================+
| :py:meth:`~.CMakePackage.root_cmakelists_dir` | Location of the |
| | root CMakeLists.txt|
+-----------------------------------------------+--------------------+
| :py:meth:`~.CMakePackage.build_directory` | Directory where to |
| | build the package |
+-----------------------------------------------+--------------------+
"""
#: Phases of a CMake package
phases = ['cmake', 'build', 'install']
#: This attribute is used in UI queries that need to know the build
#: system base class
build_system_class = 'CMakePackage'
build_targets = []
install_targets = ['install']
build_time_test_callbacks = ['check']
#: The build system generator to use.
#:
#: See ``cmake --help`` for a list of valid generators.
#: Currently, "Unix Makefiles" and "Ninja" are the only generators
#: that Spack supports. Defaults to "Unix Makefiles".
#:
#: See https://cmake.org/cmake/help/latest/manual/cmake-generators.7.html
#: for more information.
generator = 'Unix Makefiles'
# https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html
variant('build_type', default='RelWithDebInfo',
description='CMake build type',
values=('Debug', 'Release', 'RelWithDebInfo', 'MinSizeRel'))
depends_on('cmake', type='build')
@property
def root_cmakelists_dir(self):
"""The relative path to the directory containing CMakeLists.txt
This path is relative to the root of the extracted tarball,
not to the ``build_directory``. Defaults to the current directory.
:return: directory containing CMakeLists.txt
"""
return self.stage.source_path
@property
def std_cmake_args(self):
"""Standard cmake arguments provided as a property for
convenience of package writers
:return: standard cmake arguments
"""
# standard CMake arguments
return CMakePackage._std_args(self)
@staticmethod
def _std_args(pkg):
"""Computes the standard cmake arguments for a generic package"""
try:
generator = pkg.generator
except AttributeError:
generator = 'Unix Makefiles'
# Make sure a valid generator was chosen
valid_generators = ['Unix Makefiles', 'Ninja']
if generator not in valid_generators:
msg = "Invalid CMake generator: '{0}'\n".format(generator)
msg += "CMakePackage currently supports the following "
msg += "generators: '{0}'".format("', '".join(valid_generators))
raise InstallError(msg)
try:
build_type = pkg.spec.variants['build_type'].value
except KeyError:
build_type = 'RelWithDebInfo'
args = [
'-G', generator,
'-DCMAKE_INSTALL_PREFIX:PATH={0}'.format(pkg.prefix),
'-DCMAKE_BUILD_TYPE:STRING={0}'.format(build_type),
'-DCMAKE_VERBOSE_MAKEFILE:BOOL=ON'
]
if platform.mac_ver()[0]:
args.append('-DCMAKE_FIND_FRAMEWORK:STRING=LAST')
# Set up CMake rpath
args.append('-DCMAKE_INSTALL_RPATH_USE_LINK_PATH:BOOL=FALSE')
rpaths = ';'.join(spack.build_environment.get_rpaths(pkg))
args.append('-DCMAKE_INSTALL_RPATH:STRING={0}'.format(rpaths))
# CMake's find_package() looks in CMAKE_PREFIX_PATH first, help CMake
# to find immediate link dependencies in right places:
deps = [d.prefix for d in
pkg.spec.dependencies(deptype=('build', 'link'))]
deps = filter_system_paths(deps)
args.append('-DCMAKE_PREFIX_PATH:STRING={0}'.format(';'.join(deps)))
return args
@property
def build_directory(self):
"""Returns the directory to use when building the package
:return: directory where to build the package
"""
return join_path(self.stage.source_path, 'spack-build')
def default_flag_handler(self, spack_env, flag_val):
# Relies on being the first thing that can affect the spack_env
# EnvironmentModification after it is instantiated or no other
# method trying to affect these variables. Currently both are true
# flag_val is a tuple (flag, value_list)
spack_env.set(flag_val[0].upper(),
' '.join(flag_val[1]))
return []
def cmake_args(self):
"""Produces a list containing all the arguments that must be passed to
cmake, except:
* CMAKE_INSTALL_PREFIX
* CMAKE_BUILD_TYPE
which will be set automatically.
:return: list of arguments for cmake
"""
return []
def cmake(self, spec, prefix):
"""Runs ``cmake`` in the build directory"""
options = [os.path.abspath(self.root_cmakelists_dir)]
options += self.std_cmake_args
options += self.cmake_args()
with working_dir(self.build_directory, create=True):
inspect.getmodule(self).cmake(*options)
def build(self, spec, prefix):
"""Make the build targets"""
with working_dir(self.build_directory):
if self.generator == 'Unix Makefiles':
inspect.getmodule(self).make(*self.build_targets)
elif self.generator == 'Ninja':
inspect.getmodule(self).ninja(*self.build_targets)
def install(self, spec, prefix):
"""Make the install targets"""
with working_dir(self.build_directory):
if self.generator == 'Unix Makefiles':
inspect.getmodule(self).make(*self.install_targets)
elif self.generator == 'Ninja':
inspect.getmodule(self).ninja(*self.install_targets)
run_after('build')(PackageBase._run_default_build_time_test_callbacks)
def check(self):
"""Searches the CMake-generated Makefile for the target ``test``
and runs it if found.
"""
with working_dir(self.build_directory):
if self.generator == 'Unix Makefiles':
self._if_make_target_execute('test')
elif self.generator == 'Ninja':
self._if_ninja_target_execute('test')
# Check that self.prefix is there after installation
run_after('install')(PackageBase.sanity_check_prefix)
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