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CMakePackagesSystem.cmake
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#===============================================================================
# @file CMakePackagesSystem.cmake
#
# @author Nicolas Richart <nicolas.richart@epfl.ch>
# @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
#
# @date creation: Thu Dec 20 2012
# @date last modification: Wed Sep 10 2014
#
# @brief Set of macros used by akantu to handle the package system
#
# @section DESCRIPTION
#
# This package defines multiple function to handle packages. This packages can
# be of two kinds regular ones and extra_packages (ex: in akantu the LGPL part
# is regular packages and extra packages are on Propetary license)
#
# Package are loaded with the help of the command:
# package_list_packages(<regular_package_folder>
# [ EXTRA_PACKAGE_FOLDER <extra_package_folder> ]
# [ SOURCE_FOLDER <source_folder>]
# [ TEST_FOLDER <test_folder> ]
# [ MANUAL_FOLDER <manual_folder> ]
# )
#
# This command will look for packages name like
# <regular_package_folder>/<package>.cmake
# OR <extra_package_folder>/<package>/package.cmake
#
# A package is a cmake script that should contain at list the declaration of a
# package
#
# package_declare(<package real name>
# [EXTERNAL] [META] [ADVANCED] [NOT_OPTIONAL]
# [DESCRIPTION <description>] [DEFAULT <default_value>]
# [DEPENDS <pkg> ...]
# [BOOST_COMPONENTS <pkg> ...]
# [EXTRA_PACKAGE_OPTIONS <opt> ...]
# [COMPILE_FLAGS <flags>]
# [SYSTEM <bool> [ <script_to_compile> ]])
#
# It can also declare multiple informations:
# source files:
# package_declare_sources(<package real name>
# <src1> <src2> ... <srcn>)
#
# a LaTeX documentation:
# package_declare_documentation(<package real name>
# <line1> <line2> ...<linen>)
#
# LaTeX documentation files
# package_declare_documentation_files(<package real name>
# <file1> <file2> ... <filen>)
#
# Different function can also be retrieved from the package system by using the
# different accessors
# package_get_name(<pkg> <retval>)
# package_get_real_name(<pkg> <retval>)
#
# package_get_option_name(<pkg> <retval>)
#
# package_use_system(<pkg> <retval>)
#
# package_get_nature(<pkg> <retval>)
#
# package_get_description(<pkg> <retval>)
#
# package_get_filename(<pkg> <retval>)
#
# package_get_sources_folder(<pkg> <retval>)
# package_get_tests_folder(<pkg> <retval>)
# package_get_manual_folder(<pkg> <retval>)
#
# package_get_find_package_extra_options(<pkg> <retval>)
#
# package_get_compile_flags(<pkg> <retval>)
#
# package_get_include_dir(<pkg> <retval>)
# package_set_include_dir(<pkg> <inc1> <inc2> ... <incn>)
#
# package_get_libraries(<pkg> <retval>)
# package_set_libraries(<pkg> <lib1> <lib2> ... <libn>)
#
# package_add_extra_dependency(pkg <dep1> <dep2> ... <depn>)
# package_rm_extra_dependency(<pkg> <dep>)
# package_get_extra_dependencies(<pkg> <retval>)
#
# package_is_activated(<pkg> <retval>)
# package_is_deactivated(<pkg> <retval>)
#
# package_get_dependencies(<pkg> <retval>)
# package_add_dependencies(<pkg> <dep1> <dep2> ... <depn>)
#
# package_get_all_source_files(<srcs> <public_headers> <private_headers>)
# package_get_all_include_directories(<inc_dirs>)
# package_get_all_external_informations(<include_dir> <libraries>)
# package_get_all_definitions(<definitions>)
# package_get_all_extra_dependencies(<dependencies>)
# package_get_all_test_folders(<test_dirs>)
# package_get_all_documentation_files(<doc_files>)
# package_get_all_activated_packages(<activated_list>)
# package_get_all_packages(<packages_list>)
#
#
# @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/>.
#
#===============================================================================
include(CMakeParseArguments)
#===============================================================================
# Package Management
#===============================================================================
if(__CMAKE_PACKAGES_SYSTEM)
return()
endif()
set(__CMAKE_PACKAGES_SYSTEM TRUE)
if(CMAKE_VERSION VERSION_GREATER 3.1.2)
cmake_policy(SET CMP0054 NEW)
endif()
#===============================================================================
option(AUTO_MOVE_UNKNOWN_FILES
"Give to cmake the permission to move the unregistered files to the ${PROJECT_SOURCE_DIR}/tmp directory" FALSE)
mark_as_advanced(AUTO_MOVE_UNKNOWN_FILES)
include(CMakePackagesSystemGlobalFunctions)
include(CMakePackagesSystemPrivateFunctions)
# ==============================================================================
# "Public" Accessors
# ==============================================================================
# ------------------------------------------------------------------------------
# Package name
# ------------------------------------------------------------------------------
function(package_get_name pkg pkg_name)
string(TOUPPER ${PROJECT_NAME} _project)
string(REPLACE "-" "_" _str_pkg "${pkg}")
string(TOUPPER ${_str_pkg} _u_package)
set(${pkg_name} ${_project}_PKG_${_u_package} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Real name
# ------------------------------------------------------------------------------
function(package_get_real_name pkg ret)
package_get_name(${pkg} _pkg_name)
_package_get_real_name(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Option name
# ------------------------------------------------------------------------------
function(package_get_option_name pkg ret)
package_get_name(${pkg} _pkg_name)
_package_get_option_name(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Set if system package or compile external lib
# ------------------------------------------------------------------------------
function(package_use_system pkg ret)
package_get_name(${pkg} _pkg_name)
_package_use_system(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
function(package_add_third_party_script_variable pkg var)
package_get_name(${pkg} _pkg_name)
_package_add_third_party_script_variable(${_pkg_name} ${var} ${ARGN})
set(${var} ${ARGN} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Set if system package or compile external lib
# ------------------------------------------------------------------------------
function(package_add_to_export_list pkg)
package_get_name(${pkg} _pkg_name)
_package_add_to_export_list(${_pkg_name} ${ARGN})
endfunction()
# ------------------------------------------------------------------------------
# Nature
# ------------------------------------------------------------------------------
function(package_get_nature pkg ret)
package_get_name(${pkg} _pkg_name)
_package_get_nature(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Description
# ------------------------------------------------------------------------------
function(package_get_description pkg ret)
package_get_name(${pkg} _pkg_name)
_package_get_description(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Package file name
# ------------------------------------------------------------------------------
function(package_get_filename pkg ret)
package_get_name(${pkg} _pkg_name)
_package_get_filename(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Source folder
# ------------------------------------------------------------------------------
function(package_get_sources_folder pkg ret)
package_get_name(${pkg} _pkg_name)
_package_get_sources_folder(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Test folder
# ------------------------------------------------------------------------------
function(package_get_tests_folder pkg ret)
package_get_name(${pkg} _pkg_name)
_package_get_tests_folder(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Manual folder
# ------------------------------------------------------------------------------
function(package_get_manual_folder pkg ret)
package_get_name(${pkg} _pkg_name)
_package_get_manual_folder(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Extra option for the find_package
# ------------------------------------------------------------------------------
function(package_get_find_package_extra_options pkg ret)
package_get_name(${pkg} _pkg_name)
_package_get_find_package_extra_options(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
function(package_set_find_package_extra_options pkg)
package_get_name(${pkg} _pkg_name)
_package_set_find_package_extra_options(${_pkg_name} ${ARGN})
endfunction()
# ------------------------------------------------------------------------------
# Compilation flags
# ------------------------------------------------------------------------------
function(package_get_compile_flags pkg ret)
package_get_name(${pkg} _pkg_name)
_package_get_compile_flags(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Include dir
# ------------------------------------------------------------------------------
function(package_get_include_dir pkg ret)
package_get_name(${pkg} _pkg_name)
_package_get_include_dir(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
function(package_set_include_dir pkg)
package_get_name(${pkg} _pkg_name)
_package_set_include_dir(${_pkg_name} ${ARGN})
endfunction()
# ------------------------------------------------------------------------------
# Libraries
# ------------------------------------------------------------------------------
function(package_get_libraries pkg ret)
package_get_name(${pkg} _pkg_name)
_package_get_libraries(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
function(package_set_libraries pkg)
package_get_name(${pkg} _pkg_name)
_package_set_libraries(${_pkg_name} ${ARGN})
endfunction()
# ------------------------------------------------------------------------------
# Extra dependencies like custom commands of ExternalProject
# ------------------------------------------------------------------------------
function(package_add_extra_dependency pkg)
package_get_name(${pkg} _pkg_name)
_package_add_extra_dependency(${_pkg_name} ${ARGN})
endfunction()
function(package_rm_extra_dependency pkg dep)
package_get_name(${pkg} _pkg_name)
_package_rm_extra_dependency(${_pkg_name} ${dep})
endfunction()
function(package_get_extra_dependencies pkg ret)
package_get_name(${pkg} _pkg_name)
_package_get_extra_dependencies(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Activate/deactivate
# ------------------------------------------------------------------------------
function(package_is_activated pkg ret)
package_get_name(${pkg} _pkg_name)
_package_is_activated(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
function(package_is_deactivated pkg ret)
package_get_name(${pkg} _pkg_name)
_package_is_deactivated(${_pkg_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Direct dependencies
# ------------------------------------------------------------------------------
function(package_get_dependencies pkg ret)
package_get_name(${pkg} _pkg_name)
_package_get_dependencies(${_pkg_name} _tmp_name)
_package_get_real_name(${_tmp_name} _tmp)
set(${ret} ${_tmp} PARENT_SCOPE)
endfunction()
function(package_add_dependencies pkg)
package_get_name(${pkg} _pkg_name)
foreach(_dep ${ARGN})
package_get_name(${_dep} _dep_pkg_name)
list(APPEND _tmp_deps ${_dep_pkg_name})
endforeach()
_package_add_dependencies(${_pkg_name} ${_tmp_deps})
endfunction()
# ------------------------------------------------------------------------------
# Documentation related functions
# ------------------------------------------------------------------------------
function(package_declare_documentation pkg)
package_get_name(${pkg} _pkg_name)
_package_set_documentation(${_pkg_name} ${ARGN})
endfunction()
function(package_declare_documentation_files pkg)
package_get_name(${pkg} _pkg_name)
_package_set_documentation_files(${_pkg_name} ${ARGN})
endfunction()
# ------------------------------------------------------------------------------
# Set any user variables needed
# ------------------------------------------------------------------------------
function(package_set_variable variable pkg)
package_get_name(${pkg} _pkg_name)
_package_set_variable(${variable} ${_pkg_name} ${ARGN})
endfunction()
macro(package_get_variable variable pkg value)
package_get_name(${pkg} _pkg_name)
_package_get_variable(${variable} ${_pkg_name} _value_tmp)
set(${value} ${_value_tmp} PARENT_SCOPE)
endmacro()
# ==============================================================================
# Global accessors
# ==============================================================================
# ------------------------------------------------------------------------------
# get the list of source files
# ------------------------------------------------------------------------------
function(package_get_all_source_files SRCS PUBLIC_HEADERS PRIVATE_HEADERS)
string(TOUPPER ${PROJECT_NAME} _project)
set(tmp_SRCS)
set(tmp_PUBLIC_HEADERS)
set(tmp_PRIVATE_HEADERS)
package_get_all_activated_packages(_activated_list)
foreach(_pkg_name ${_activated_list})
_package_get_source_files(${_pkg_name}
_tmp_SRCS
_tmp_PUBLIC_HEADERS
_tmp_PRIVATE_HEADERS
)
list(APPEND tmp_SRCS ${_tmp_SRCS})
list(APPEND tmp_PUBLIC_HEADERS ${tmp_PUBLIC_HEADERS})
list(APPEND tmp_PRIVATE_HEADERS ${tmp_PRIVATE_HEADERS})
endforeach()
set(${SRCS} ${tmp_SRCS} PARENT_SCOPE)
set(${PUBLIC_HEADERS} ${tmp_PUBLIC_HEADERS} PARENT_SCOPE)
set(${PRIVATE_HEADERS} ${tmp_PRIVATE_HEADERS} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Get include directories
# ------------------------------------------------------------------------------
function(package_get_all_include_directories inc_dirs)
set(_tmp)
package_get_all_activated_packages(_activated_list)
foreach(_pkg_name ${_activated_list})
foreach(_type SRCS PUBLIC_HEADERS PRIVATE_HEADERS)
foreach(_file ${${_pkg_name}_${_type}})
get_filename_component(_path "${_file}" PATH)
list(APPEND _tmp "${_path}")
endforeach()
endforeach()
endforeach()
if(_tmp)
list(REMOVE_DUPLICATES _tmp)
endif()
set(${inc_dirs} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Get external libraries informations
# ------------------------------------------------------------------------------
function(package_get_all_external_informations INCLUDE_DIR LIBRARIES)
_package_get_variable_for_activated(INCLUDE_DIR tmp_INCLUDE_DIR)
_package_get_variable_for_activated(LIBRARIES tmp_LIBRARIES)
set(${INCLUDE_DIR} ${tmp_INCLUDE_DIR} PARENT_SCOPE)
set(${LIBRARIES} ${tmp_LIBRARIES} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Get export list for all activated packages
# ------------------------------------------------------------------------------
function(package_get_all_export_list export_list)
_package_get_variable_for_activated(EXPORT_LIST _tmp)
set(${export_list} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Get definitions like external projects
# ------------------------------------------------------------------------------
function(package_get_all_definitions definitions)
_package_get_variable_for_activated(OPTION_NAME _tmp)
set(${definitions} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Get extra dependencies like external projects
# ------------------------------------------------------------------------------
function(package_get_all_extra_dependencies deps)
_package_get_variable_for_activated(EXTRA_DEPENDENCY _tmp)
set(${deps} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Get extra infos
# ------------------------------------------------------------------------------
function(package_get_all_test_folders TEST_DIRS)
_package_get_variable_for_activated(TEST_FOLDER _tmp)
set(${TEST_DIRS} ${_tmp} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# Documentation informations
# ------------------------------------------------------------------------------
function(package_get_all_documentation_files doc_files)
set(_tmp_DOC_FILES)
package_get_all_activated_packages(_activated_list)
foreach(_pkg_name ${_activated_list})
_package_get_manual_folder(${_pkg_name} _doc_dir)
_package_get_documentation_files(${_pkg_name} _doc_files)
foreach(_doc_file ${_doc_files})
list(APPEND _tmp_DOC_FILES ${_doc_dir}/${_doc_file})
endforeach()
endforeach()
if(_tmp_DOC_FILES)
list(REMOVE_DUPLICATES _tmp_DOC_FILES)
endif()
set(${doc_files} ${_tmp_DOC_FILES} PARENT_SCOPE)
endfunction()
# ==============================================================================
# User Functions
# ==============================================================================
# ------------------------------------------------------------------------------
# List packages
# ------------------------------------------------------------------------------
function(package_get_all_activated_packages activated_list)
package_get_project_variable(ACTIVATED_PACKAGE_LIST _activated_list)
set(${activated_list} ${_activated_list} PARENT_SCOPE)
endfunction()
function(package_get_all_deactivated_packages deactivated_list)
package_get_project_variable(DEACTIVATED_PACKAGE_LIST _deactivated_list)
set(${deactivated_list} ${_deactivated_list} PARENT_SCOPE)
endfunction()
function(package_get_all_packages packages_list)
package_get_project_variable(ALL_PACKAGES_LIST _packages_list)
set(${packages_list} ${_packages_list} PARENT_SCOPE)
endfunction()
# ------------------------------------------------------------------------------
# list all the packages in the PACKAGE_FOLDER
# extra packages can be given with an EXTRA_PACKAGE_FOLDER
# <package_folder>/<package>.cmake
#
# Extra packages folder structure
# <extra_package_folder>/<package>/package.cmake
# /src
# /test
# /manual
#
# ------------------------------------------------------------------------------
function(package_list_packages PACKAGE_FOLDER)
cmake_parse_arguments(_opt_pkg
""
"SOURCE_FOLDER;EXTRA_PACKAGES_FOLDER;TEST_FOLDER;MANUAL_FOLDER"
""
${ARGN})
string(TOUPPER ${PROJECT_NAME} _project)
# Cleaning some states to start correctly
package_get_all_packages(_already_loaded_pkg)
foreach(_pkg_name ${_already_loaded_pkg})
_package_unset_extra_dependencies(${_pkg_name})
_package_unset_dependencies(${_pkg_name})
_package_unset_activated(${_pkg_name})
endforeach()
if(_opt_pkg_SOURCE_FOLDER)
set(_src_folder "${_opt_pkg_SOURCE_FOLDER}")
else()
set(_src_folder "src/")
endif()
get_filename_component(_abs_src_folder ${_src_folder} ABSOLUTE)
if(_opt_pkg_TEST_FOLDER)
set(_test_folder "${_opt_pkg_TEST_FOLDER}")
else()
set(_test_folder "test/")
endif()
if(_opt_pkg_MANUAL_FOLDER)
set(_manual_folder "${_opt_pkg_MANUAL_FOLDER}")
else()
set(_manual_folder "doc/manual")
endif()
get_filename_component(_abs_test_folder ${_test_folder} ABSOLUTE)
get_filename_component(_abs_manual_folder ${_manual_folder} ABSOLUTE)
# check all the packages in the <package_folder>
file(GLOB _package_list "${PACKAGE_FOLDER}/*.cmake")
set(_package_files)
foreach(_pkg ${_package_list})
get_filename_component(_basename ${_pkg} NAME)
if(NOT _basename MATCHES "^\\.#.*")
list(APPEND _package_files ${_basename})
endif()
endforeach()
if(_package_files)
list(SORT _package_files)
endif()
# check all packages
set(_packages_list_all)
foreach(_pkg_file ${_package_files})
string(REGEX REPLACE "[0-9]+_" "" _pkg_file_stripped ${_pkg_file})
string(REGEX REPLACE "\\.cmake" "" _pkg ${_pkg_file_stripped})
package_get_name(${_pkg} _pkg_name)
_package_set_filename(${_pkg_name} "${PACKAGE_FOLDER}/${_pkg_file}")
_package_set_sources_folder(${_pkg_name} "${_abs_src_folder}")
_package_set_tests_folder(${_pkg_name} "${_abs_test_folder}")
_package_set_manual_folder(${_pkg_name} "${_abs_manual_folder}")
list(APPEND _packages_list_all ${_pkg_name})
include("${PACKAGE_FOLDER}/${_pkg_file}")
endforeach()
# check the extra_packages if they exists
if(_opt_pkg_EXTRA_PACKAGES_FOLDER)
file(GLOB _extra_package_list RELATIVE
"${_opt_pkg_EXTRA_PACKAGES_FOLDER}" "${_opt_pkg_EXTRA_PACKAGES_FOLDER}/*")
foreach(_pkg ${_extra_package_list})
if(EXISTS "${_opt_pkg_EXTRA_PACKAGES_FOLDER}/${_pkg}/package.cmake")
package_get_name(${_pkg} _pkg_name)
_package_set_filename(${_pkg_name}
"${_opt_pkg_EXTRA_PACKAGES_FOLDER}/${_pkg}/package.cmake")
_package_set_sources_folder(${_pkg_name}
"${_opt_pkg_EXTRA_PACKAGES_FOLDER}/${_pkg}/src")
if(EXISTS "${_opt_pkg_EXTRA_PACKAGES_FOLDER}/${_pkg}/test")
_package_set_tests_folder(${_pkg_name}
"${_opt_pkg_EXTRA_PACKAGES_FOLDER}/${_pkg}/test")
endif()
if(EXISTS "${_opt_pkg_EXTRA_PACKAGES_FOLDER}/${_pkg}/manual")
_package_set_manual_folder(${_pkg_name}
"${_opt_pkg_EXTRA_PACKAGES_FOLDER}/${_pkg}/manual")
endif()
list(APPEND _extra_pkg_src_folders "${_opt_pkg_EXTRA_PACKAGES_FOLDER}/${_pkg}/src")
list(APPEND _packages_list_all ${_pkg_name})
include("${_opt_pkg_EXTRA_PACKAGES_FOLDER}/${_pkg}/package.cmake")
endif()
endforeach()
endif()
# Store the list of packages
string(TOUPPER ${PROJECT_NAME} _project)
set(${_project}_ALL_PACKAGES_LIST ${_packages_list_all}
CACHE INTERNAL "List of available packages" FORCE)
_package_build_rdependencies()
_package_load_packages()
_package_check_files_exists()
_package_check_files_registered(${_abs_src_folder} ${_extra_pkg_src_folders})
# Load boost components if boost was loaded
package_is_activated(Boost _ret)
if(_ret)
_package_load_boost_components()
endif()
endfunction()
# ------------------------------------------------------------------------------
# macro to include internal/external packages packages
# package_declare(<package real name>
# [EXTERNAL] [META] [ADVANCED] [NOT_OPTIONAL]
# [DESCRIPTION <description>] [DEFAULT <default_value>]
# [DEPENDS <pkg> ...]
# [BOOST_COMPONENTS <pkg> ...]
# [EXTRA_PACKAGE_OPTIONS <opt> ...]
# [COMPILE_FLAGS <flags>]
# [SYSTEM <bool> [ <script_to_compile> ]])
# ------------------------------------------------------------------------------
function(package_declare pkg)
package_get_name(${pkg} _pkg_name)
_package_set_real_name(${_pkg_name} ${pkg})
cmake_parse_arguments(_opt_pkg
"EXTERNAL;NOT_OPTIONAL;META;ADVANCED"
"DEFAULT;DESCRIPTION"
"DEPENDS;EXTRA_PACKAGE_OPTIONS;COMPILE_FLAGS;BOOST_COMPONENTS;SYSTEM"
${ARGN})
if(_opt_pkg_UNPARSED_ARGUMENTS)
message("You gave to many arguments while registering the package ${pkg} \"${_opt_pkg_UNPARSED_ARGUMENTS}\"")
endif()
# set the nature
if(_opt_pkg_EXTERNAL)
_package_set_nature(${_pkg_name} "external")
elseif(_opt_pkg_META)
_package_set_nature(${_pkg_name} "meta")
else()
_package_set_nature(${_pkg_name} "internal")
endif()
_package_declare_option(${_pkg_name})
# set description
if(_opt_pkg_DESCRIPTION)
_package_set_description(${_pkg_name} ${_opt_pkg_DESCRIPTION})
else()
_package_set_description(${_pkg_name} "")
endif()
_package_get_option_name(${_pkg_name} _option_name)
_package_get_description(${_pkg_name} _description)
# get the default value
if(DEFINED _opt_pkg_DEFAULT)
set(_default ${_opt_pkg_DEFAULT})
else()
if(_opt_pkg_NOT_OPTIONAL)
set(_default ON)
else()
set(_default OFF)
endif()
endif()
# set the option if needed
if(_opt_pkg_NOT_OPTIONAL)
_package_get_nature(${_pkg_name} _nature)
_package_set_nature(${_pkg_name} "${_nature}_not_optional")
set(${_option_name} ${_default} CACHE INTERNAL "${_description}" FORCE)
else()
option(${_option_name} "${_description}" ${_default})
if(_opt_pkg_ADVANCED OR _opt_pkg_EXTERNAL)
mark_as_advanced(${_option_name})
endif()
endif()
# Set the option for third-partie that can be compiled as an ExternalProject
if(DEFINED _opt_pkg_SYSTEM)
list(LENGTH _opt_pkg_SYSTEM _length)
list(GET _opt_pkg_SYSTEM 0 _bool)
_package_set_system_option(${_pkg_name} ${_bool})
if(_length GREATER 1)
list(GET _opt_pkg_SYSTEM 1 _script)
_package_set_system_script(${_pkg_name} ${_script})
endif()
endif()
# set the dependecies
if(_opt_pkg_DEPENDS)
set(_depends)
foreach(_dep ${_opt_pkg_DEPENDS})
package_get_name(${_dep} _dep_pkg_name)
list(APPEND _depends ${_dep_pkg_name})
endforeach()
_package_add_dependencies(${_pkg_name} ${_depends})
endif()
# keep the extra option for the future find package
if(_opt_pkg_EXTRA_PACKAGE_OPTIONS)
_package_set_find_package_extra_options(${_pkg_name} "${_opt_pkg_EXTRA_PACKAGE_OPTIONS}")
endif()
# register the compilation flags
if(_opt_pkg_COMPILE_FLAGS)
_package_set_compile_flags(${_pkg_name} "${_opt_pkg_COMPILE_FLAGS}")
endif()
# set the boost dependencies
if(_opt_pkg_BOOST_COMPONENTS)
_package_set_boost_component_needed(${_pkg_name} "${_opt_pkg_BOOST_COMPONENTS}")
endif()
endfunction()
# ------------------------------------------------------------------------------
# declare the source files of a given package
#
# package_declare_sources(<package> <list of sources>
# SOURCES <source file> ...
# PUBLIC_HEADER <header file> ...
# PRIVATE_HEADER <header file> ...)
# ------------------------------------------------------------------------------
function(package_declare_sources pkg)
package_get_name(${pkg} _pkg_name)
# get 3 lists, if none of the options given try to distinguish the different lists
cmake_parse_arguments(_opt_pkg
""
""
"SOURCES;PUBLIC_HEADERS;PRIVATE_HEADERS"
${ARGN})
set(_tmp_srcs ${_opt_pkg_SOURCES})
set(_tmp_pub_hdrs ${_opt_pkg_PUBLIC_HEADER})
set(_tmp_pri_hdrs ${_opt_pkg_PRIVATE_HEADERS})
foreach(_file ${_opt_pkg_UNPARSED_ARGUMENTS})
if(${_file} MATCHES ".*inline.*\\.cc")
list(APPEND _tmp_pub_hdrs ${_file})
elseif(${_file} MATCHES ".*\\.h+")
list(APPEND _tmp_pub_hdrs ${_file})
else()
list(APPEND _tmp_srcs ${_file})
endif()
endforeach()
_package_get_sources_folder(${_pkg_name} _src_folder)
foreach(_type _srcs _pub_hdrs _pri_hdrs)
set(${_type})
foreach(_file ${_tmp${_type}})
# get the full name
list(APPEND ${_type} "${_src_folder}/${_file}")
endforeach()
endforeach()
set(${_pkg_name}_SRCS "${_srcs}"
CACHE INTERNAL "List of sources files" FORCE)
set(${_pkg_name}_PUBLIC_HEADERS "${_pub_hdrs}"
CACHE INTERNAL "List of public header files" FORCE)
set(${_pkg_name}_PRIVATE_HEADERS "${_pri_hdrs}"
CACHE INTERNAL "List of private header files" FORCE)
endfunction()
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