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CMakePackagesSystemGlobalFunctions.cmake
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Sun, Jan 12, 06:45

CMakePackagesSystemGlobalFunctions.cmake
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#===============================================================================
# @file CMakePackagesSystem.cmake
#
# @author Nicolas Richart <nicolas.richart@epfl.ch>
#
# @brief Set of macros used by the package system to set internal variables
#
# @section LICENSE
#
# Copyright (©) 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
# Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
#
# Akantu 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, either version 3 of the License, or (at your option) any
# later version.
#
# Akantu 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Akantu. If not, see <http://www.gnu.org/licenses/>.
#
#===============================================================================
# ==============================================================================
# Package system meta functions
# ==============================================================================
function(package_set_project_variable variable)
string(TOUPPER ${PROJECT_NAME} _u_project)
set(${_u_project}_${variable} "${ARGN}" CACHE INTERNAL "" FORCE)
endfunction()
function(package_get_project_variable variable value_out)
string(TOUPPER ${PROJECT_NAME} _u_project)
set(${value_out} ${${_u_project}_${variable}} PARENT_SCOPE)
endfunction()
# ==============================================================================
function(_package_set_variable variable pkg_name)
set(${pkg_name}_${variable} ${ARGN} CACHE INTERNAL "" FORCE)
endfunction()
function(_package_get_variable variable pkg_name value)
#unset(${value} PARENT_SCOPE)
if(DEFINED ${pkg_name}_${variable})
set(${value} ${${pkg_name}_${variable}} PARENT_SCOPE)
elseif(DEFINED ARGN)
set(${value} ${ARGN} PARENT_SCOPE)
else()
set(${value} PARENT_SCOPE)
endif()
endfunction()
# ==============================================================================
function(_package_variable_unset variable pkg_name)
unset(${pkg_name}_${variable} CACHE)
endfunction()
# ==============================================================================
function(_package_add_to_variable variable pkg_name)
_package_get_variable(${variable} ${pkg_name} _tmp_list)
list(APPEND _tmp_list ${ARGN})
if(_tmp_list)
list(REMOVE_DUPLICATES _tmp_list)
endif()
_package_set_variable(${variable} ${pkg_name} ${_tmp_list})
endfunction()
function(_package_remove_from_variable variable pkg_name value)
_package_get_variable(${variable} ${pkg_name} _tmp_list)
list(LENGTH _tmp_list _length)
if(_length GREATER 0)
list(REMOVE_ITEM _tmp_list ${value})
_package_set_variable(${variable} ${pkg_name} ${_tmp_list})
endif()
endfunction()
# ==============================================================================
function(_package_get_variable_for_activated variable values)
set(_list_values)
package_get_all_activated_packages(_activated_list)
foreach(_pkg_name ${_activated_list})
_package_get_variable(${variable} ${_pkg_name} _value)
list(APPEND _list_values ${_value})
endforeach()
if (_list_values)
list(REMOVE_DUPLICATES _list_values)
endif()
set(${values} ${_list_values} PARENT_SCOPE)
endfunction()
# ==============================================================================

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