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muspectreTools.cmake
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			#==============================================================================
			# file muspectreTools.cmake
			#
			# @author Nicolas Richart <nicolas.,richart@epfl.ch>
			#
			# @date 11 Jan 2018
			#
			# @brief some tool to help to do stuff with cmake in µSpectre
			#
			# @section LICENSE
			#
			# Copyright © 2018 Till Junge
			#
			# µSpectre is free software; you can redistribute it and/or
			# modify it under the terms of the GNU General Public License as
			# published by the Free Software Foundation, either version 3, or (at
			# your option) any later version.
			#
			# µSpectre 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 GNU
			# General Public License for more details.
			#
			# You should have received a copy of the GNU General Public License
			# along with GNU Emacs; see the file COPYING. If not, write to the
			# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
			# Boston, MA 02111-1307, USA.
			#

			#[=[.rst:
			µSpectreTools
			-------------

			This module provide some helper fuunctions for µSpectre

			::

			download_external_project(project_name
			URL <url>
			BACKEND <GIT\|HG>
			[TAG <tag>]
			[THIRD_PARTY_SRC_DIR <dir>]
			[NO_UPDATE]
			)

			Downloads the external project based on the uri

			``THIRD_PARTY_SRC_DIR <dir>``
			Specifies where to download the source

			``NO_UPDATE``
			Does not try to update existing download

			::

			mark_as_advanced_prefix(prefix)

			Marks as advanced all variables whoes names start with prefix

			::

			add_external_dep(package
			[IGNORE_SYSTEM]
			[VERSION <version>]
			[...])

			Tries to find the external package and if not found but a local
			${package}.cmake files exists, it includes it. The extra arguments are passed
			to find_package()

			``IGNORE_SYSTEM`` does not do the find_package

			``VERSION`` Specifies the required minimum version

			]=]
			#

			function(download_external_project project_name)
			include(CMakeParseArguments)

			set(_dep_flags
			NO_UPDATE)
			set(_dep_one_variables
			URL
			TAG
			BACKEND
			THIRD_PARTY_SRC_DIR
			)
			set(_dep_multi_variables)
			cmake_parse_arguments(_dep_args
			"${_dep_flags}"
			"${_dep_one_variables}"
			"${_dep_multi_variables}"
			${ARGN}
			)

			if(NOT _dep_args_URL)
			message(FATAL_ERROR "You have to provide a URL for the project ${project_name}")
			endif()

			if(NOT _dep_args_BACKEND)
			message(FATAL_ERROR "You have to provide a backend to download ${project_name}")
			endif()

			if(_dep_args_TAG)
			set(_ep_tag "${_dep_args_BACKEND}_TAG ${_dep_args_TAG}")
			endif()

			set(_src_dir ${PROJECT_SOURCE_DIR}/third-party/${project_name})
			if (_dep_args_THIRD_PARTY_SRC_DIR)
			set(_src_dir ${_dep_args_THIRD_PARTY_SRC_DIR}/${project_name})
			endif()

			if(EXISTS ${_src_dir} AND _dep_args_NO_UPDATE)
			return()
			endif()

			set(_working_dir ${PROJECT_BINARY_DIR}/third-party/${project_name}-download)
			file(WRITE ${_working_dir}/CMakeLists.txt
			"
			cmake_minimum_required(VERSION 3.1)
			project(${project_name}-download NONE)
			include(ExternalProject)
			ExternalProject_Add(${project_name}
			SOURCE_DIR ${_src_dir}
			BINARY_DIR ${_working_dir}
			${_dep_args_BACKEND}_REPOSITORY ${_dep_args_URL}
			${_ep_tag}
			CONFIGURE_COMMAND \"\"
			BUILD_COMMAND \"\"
			INSTALL_COMMAND \"\"
			TEST_COMMAND \"\"
			)
			")
			message(STATUS "Downloading ${project_name} ${_dep_args_GIT_TAG}")
			execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
			RESULT_VARIABLE _result
			WORKING_DIRECTORY ${_working_dir}
			OUTPUT_FILE ${_working_dir}/configure-out.log
			ERROR_FILE ${_working_dir}/configure-error.log)

			if(_result)
			message(FATAL_ERROR "Something went wrong (${_result}) during the download"
			" process of ${project_name} check the file"
			" ${_working_dir}/configure-error.log for more details")
			endif()

			execute_process(COMMAND "${CMAKE_COMMAND}" --build .
			RESULT_VARIABLE _result
			WORKING_DIRECTORY ${_working_dir}
			OUTPUT_FILE ${_working_dir}/build-out.log
			ERROR_FILE ${_working_dir}/build-error.log)

			if(_result)
			message(FATAL_ERROR "Something went wrong (${_result}) during the download"
			" process of ${project_name} check the file"
			" ${_working_dir}/build-error.log for more details")
			endif()

			endfunction()

			# ------------------------------------------------------------------------------
			function(mark_as_advanced_prefix prefix)
			get_property(_list DIRECTORY PROPERTY VARIABLES)
			foreach(_var ${_list})
			if("${_var}" MATCHES "^${prefix}.*")
			mark_as_advanced(${_var})
			endif()
			endforeach()
			endfunction()

			# ------------------------------------------------------------------------------
			macro(add_external_package package)
			include(CMakeParseArguments)

			set(_cmake_includes ${PROJECT_SOURCE_DIR}/cmake)
			set(_${package}_external_dir ${PROJECT_BINARY_DIR}/external)

			set(_aep_flags
			IGNORE_SYSTEM
			)
			set(_aep_one_variables
			VERSION
			)
			set(_aep_multi_variables)

			cmake_parse_arguments(_aep_args
			"${_aep_flags}"
			"${_aep_one_variables}"
			"${_aep_multi_variables}"
			${ARGN}
			)

			if(_aep_args_VERSION)
			set(_${package}_version ${_aep_args_VERSION})
			endif()

			if(NOT EXISTS ${_cmake_includes}/${package}.cmake)
			set(_required REQUIRED)
			endif()

			if(NOT _aep_args_IGNORE_SYSTEM)
			find_package(${package} ${_${package}_version} ${_required} ${_aep_UNPARSED_ARGUMENTS} QUIET)
			endif()

			if(NOT ${${package}_FOUND})
			if(EXISTS ${_cmake_includes}/${package}.cmake)
			include(${_cmake_includes}/${package}.cmake)
			endif()
			endif()
			endmacro()

muSpectre/cmake/muspectreTools.cmake656437418c7eorigin/feat/muLib_integ…

muspectreTools.cmakeView Options

muSpectre/cmake/muspectreTools.cmake
656437418c7eorigin/feat/muLib_integ…

muspectreTools.cmake
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