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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,278 @@ | ||
| #.rst: | ||
| # ECMFindModuleHelpers | ||
| # -------------------- | ||
| # | ||
| # Helper macros for find modules: ecm_find_package_version_check(), | ||
| # ecm_find_package_parse_components() and | ||
| # ecm_find_package_handle_library_components(). | ||
| # | ||
| # :: | ||
| # | ||
| # ecm_find_package_version_check(<name>) | ||
| # | ||
| # Prints warnings if the CMake version or the project's required CMake version | ||
| # is older than that required by extra-cmake-modules. | ||
| # | ||
| # :: | ||
| # | ||
| # ecm_find_package_parse_components(<name> | ||
| # RESULT_VAR <variable> | ||
| # KNOWN_COMPONENTS <component1> [<component2> [...]] | ||
| # [SKIP_DEPENDENCY_HANDLING]) | ||
| # | ||
| # This macro will populate <variable> with a list of components found in | ||
| # <name>_FIND_COMPONENTS, after checking that all those components are in the | ||
| # list of KNOWN_COMPONENTS; if there are any unknown components, it will print | ||
| # an error or warning (depending on the value of <name>_FIND_REQUIRED) and call | ||
| # return(). | ||
| # | ||
| # The order of components in <variable> is guaranteed to match the order they | ||
| # are listed in the KNOWN_COMPONENTS argument. | ||
| # | ||
| # If SKIP_DEPENDENCY_HANDLING is not set, for each component the variable | ||
| # <name>_<component>_component_deps will be checked for dependent components. | ||
| # If <component> is listed in <name>_FIND_COMPONENTS, then all its (transitive) | ||
| # dependencies will also be added to <variable>. | ||
| # | ||
| # :: | ||
| # | ||
| # ecm_find_package_handle_library_components(<name> | ||
| # COMPONENTS <component> [<component> [...]] | ||
| # [SKIP_DEPENDENCY_HANDLING]) | ||
| # [SKIP_PKG_CONFIG]) | ||
| # | ||
| # Creates an imported library target for each component. The operation of this | ||
| # macro depends on the presence of a number of CMake variables. | ||
| # | ||
| # The <name>_<component>_lib variable should contain the name of this library, | ||
| # and <name>_<component>_header variable should contain the name of a header | ||
| # file associated with it (whatever relative path is normally passed to | ||
| # '#include'). <name>_<component>_header_subdir variable can be used to specify | ||
| # which subdirectory of the include path the headers will be found in. | ||
| # ecm_find_package_components() will then search for the library | ||
| # and include directory (creating appropriate cache variables) and create an | ||
| # imported library target named <name>::<component>. | ||
| # | ||
| # Additional variables can be used to provide additional information: | ||
| # | ||
| # If SKIP_PKG_CONFIG, the <name>_<component>_pkg_config variable is set, and | ||
| # pkg-config is found, the pkg-config module given by | ||
| # <name>_<component>_pkg_config will be searched for and used to help locate the | ||
| # library and header file. It will also be used to set | ||
| # <name>_<component>_VERSION. | ||
| # | ||
| # Note that if version information is found via pkg-config, | ||
| # <name>_<component>_FIND_VERSION can be set to require a particular version | ||
| # for each component. | ||
| # | ||
| # If SKIP_DEPENDENCY_HANDLING is not set, the INTERFACE_LINK_LIBRARIES property | ||
| # of the imported target for <component> will be set to contain the imported | ||
| # targets for the components listed in <name>_<component>_component_deps. | ||
| # <component>_FOUND will also be set to false if any of the compoments in | ||
| # <name>_<component>_component_deps are not found. This requires the components | ||
| # in <name>_<component>_component_deps to be listed before <component> in the | ||
| # COMPONENTS argument. | ||
| # | ||
| # The following variables will be set: | ||
| # | ||
| # ``<name>_TARGETS`` | ||
| # the imported targets | ||
| # ``<name>_LIBRARIES`` | ||
| # the found libraries | ||
| # ``<name>_INCLUDE_DIRS`` | ||
| # the combined required include directories for the components | ||
| # ``<name>_DEFINITIONS`` | ||
| # the "other" CFLAGS provided by pkg-config, if any | ||
| # ``<name>_VERSION`` | ||
| # the value of ``<name>_<component>_VERSION`` for the first component that | ||
| # has this variable set (note that components are searched for in the order | ||
| # they are passed to the macro), although if it is already set, it will not | ||
| # be altered | ||
| # | ||
| # Note that these variables are never cleared, so if | ||
| # ecm_find_package_handle_library_components() is called multiple times with | ||
| # different components (typically because of multiple find_package() calls) then | ||
| # ``<name>_TARGETS``, for example, will contain all the targets found in any | ||
| # call (although no duplicates). | ||
| # | ||
| # Since pre-1.0.0. | ||
|
|
||
| #============================================================================= | ||
| # SPDX-FileCopyrightText: 2014 Alex Merry <alex.merry@kde.org> | ||
| # | ||
| # SPDX-License-Identifier: BSD-3-Clause | ||
|
|
||
| include(CMakeParseArguments) | ||
|
|
||
| macro(ecm_find_package_version_check module_name) | ||
| if(CMAKE_VERSION VERSION_LESS 2.8.12) | ||
| message(FATAL_ERROR "CMake 2.8.12 is required by Find${module_name}.cmake") | ||
| endif() | ||
| if(CMAKE_MINIMUM_REQUIRED_VERSION VERSION_LESS 2.8.12) | ||
| message(AUTHOR_WARNING "Your project should require at least CMake 2.8.12 to use Find${module_name}.cmake") | ||
| endif() | ||
| endmacro() | ||
|
|
||
| macro(ecm_find_package_parse_components module_name) | ||
| set(ecm_fppc_options SKIP_DEPENDENCY_HANDLING) | ||
| set(ecm_fppc_oneValueArgs RESULT_VAR) | ||
| set(ecm_fppc_multiValueArgs KNOWN_COMPONENTS DEFAULT_COMPONENTS) | ||
| cmake_parse_arguments(ECM_FPPC "${ecm_fppc_options}" "${ecm_fppc_oneValueArgs}" "${ecm_fppc_multiValueArgs}" ${ARGN}) | ||
|
|
||
| if(ECM_FPPC_UNPARSED_ARGUMENTS) | ||
| message(FATAL_ERROR "Unexpected arguments to ecm_find_package_parse_components: ${ECM_FPPC_UNPARSED_ARGUMENTS}") | ||
| endif() | ||
| if(NOT ECM_FPPC_RESULT_VAR) | ||
| message(FATAL_ERROR "Missing RESULT_VAR argument to ecm_find_package_parse_components") | ||
| endif() | ||
| if(NOT ECM_FPPC_KNOWN_COMPONENTS) | ||
| message(FATAL_ERROR "Missing KNOWN_COMPONENTS argument to ecm_find_package_parse_components") | ||
| endif() | ||
| if(NOT ECM_FPPC_DEFAULT_COMPONENTS) | ||
| set(ECM_FPPC_DEFAULT_COMPONENTS ${ECM_FPPC_KNOWN_COMPONENTS}) | ||
| endif() | ||
|
|
||
| if(${module_name}_FIND_COMPONENTS) | ||
| set(ecm_fppc_requestedComps ${${module_name}_FIND_COMPONENTS}) | ||
|
|
||
| if(NOT ECM_FPPC_SKIP_DEPENDENCY_HANDLING) | ||
| # Make sure deps are included | ||
| foreach(ecm_fppc_comp ${ecm_fppc_requestedComps}) | ||
| foreach(ecm_fppc_dep_comp ${${module_name}_${ecm_fppc_comp}_component_deps}) | ||
| list(FIND ecm_fppc_requestedComps "${ecm_fppc_dep_comp}" ecm_fppc_index) | ||
| if("${ecm_fppc_index}" STREQUAL "-1") | ||
| if(NOT ${module_name}_FIND_QUIETLY) | ||
| message(STATUS "${module_name}: ${ecm_fppc_comp} requires ${${module_name}_${ecm_fppc_comp}_component_deps}") | ||
| endif() | ||
| list(APPEND ecm_fppc_requestedComps "${ecm_fppc_dep_comp}") | ||
| endif() | ||
| endforeach() | ||
| endforeach() | ||
| else() | ||
| message(STATUS "Skipping dependency handling for ${module_name}") | ||
| endif() | ||
| list(REMOVE_DUPLICATES ecm_fppc_requestedComps) | ||
|
|
||
| # This makes sure components are listed in the same order as | ||
| # KNOWN_COMPONENTS (potentially important for inter-dependencies) | ||
| set(${ECM_FPPC_RESULT_VAR}) | ||
| foreach(ecm_fppc_comp ${ECM_FPPC_KNOWN_COMPONENTS}) | ||
| list(FIND ecm_fppc_requestedComps "${ecm_fppc_comp}" ecm_fppc_index) | ||
| if(NOT "${ecm_fppc_index}" STREQUAL "-1") | ||
| list(APPEND ${ECM_FPPC_RESULT_VAR} "${ecm_fppc_comp}") | ||
| list(REMOVE_AT ecm_fppc_requestedComps ${ecm_fppc_index}) | ||
| endif() | ||
| endforeach() | ||
| # if there are any left, they are unknown components | ||
| if(ecm_fppc_requestedComps) | ||
| set(ecm_fppc_msgType STATUS) | ||
| if(${module_name}_FIND_REQUIRED) | ||
| set(ecm_fppc_msgType FATAL_ERROR) | ||
| endif() | ||
| if(NOT ${module_name}_FIND_QUIETLY) | ||
| message(${ecm_fppc_msgType} "${module_name}: requested unknown components ${ecm_fppc_requestedComps}") | ||
| endif() | ||
| return() | ||
| endif() | ||
| else() | ||
| set(${ECM_FPPC_RESULT_VAR} ${ECM_FPPC_DEFAULT_COMPONENTS}) | ||
| endif() | ||
| endmacro() | ||
|
|
||
| macro(ecm_find_package_handle_library_components module_name) | ||
| set(ecm_fpwc_options SKIP_PKG_CONFIG SKIP_DEPENDENCY_HANDLING) | ||
| set(ecm_fpwc_oneValueArgs) | ||
| set(ecm_fpwc_multiValueArgs COMPONENTS) | ||
| cmake_parse_arguments(ECM_FPWC "${ecm_fpwc_options}" "${ecm_fpwc_oneValueArgs}" "${ecm_fpwc_multiValueArgs}" ${ARGN}) | ||
|
|
||
| if(ECM_FPWC_UNPARSED_ARGUMENTS) | ||
| message(FATAL_ERROR "Unexpected arguments to ecm_find_package_handle_components: ${ECM_FPWC_UNPARSED_ARGUMENTS}") | ||
| endif() | ||
| if(NOT ECM_FPWC_COMPONENTS) | ||
| message(FATAL_ERROR "Missing COMPONENTS argument to ecm_find_package_handle_components") | ||
| endif() | ||
|
|
||
| include(FindPackageHandleStandardArgs) | ||
| find_package(PkgConfig) | ||
| foreach(ecm_fpwc_comp ${ECM_FPWC_COMPONENTS}) | ||
| set(ecm_fpwc_dep_vars) | ||
| set(ecm_fpwc_dep_targets) | ||
| if(NOT SKIP_DEPENDENCY_HANDLING) | ||
| foreach(ecm_fpwc_dep ${${module_name}_${ecm_fpwc_comp}_component_deps}) | ||
| list(APPEND ecm_fpwc_dep_vars "${module_name}_${ecm_fpwc_dep}_FOUND") | ||
| list(APPEND ecm_fpwc_dep_targets "${module_name}::${ecm_fpwc_dep}") | ||
| endforeach() | ||
| endif() | ||
|
|
||
| if(NOT ECM_FPWC_SKIP_PKG_CONFIG AND ${module_name}_${ecm_fpwc_comp}_pkg_config) | ||
| pkg_check_modules(PKG_${module_name}_${ecm_fpwc_comp} QUIET | ||
| ${${module_name}_${ecm_fpwc_comp}_pkg_config}) | ||
| endif() | ||
|
|
||
| find_path(${module_name}_${ecm_fpwc_comp}_INCLUDE_DIR | ||
| NAMES ${${module_name}_${ecm_fpwc_comp}_header} | ||
| HINTS ${PKG_${module_name}_${ecm_fpwc_comp}_INCLUDE_DIRS} | ||
| PATH_SUFFIXES ${${module_name}_${ecm_fpwc_comp}_header_subdir} | ||
| ) | ||
| find_library(${module_name}_${ecm_fpwc_comp}_LIBRARY | ||
| NAMES ${${module_name}_${ecm_fpwc_comp}_lib} | ||
| HINTS ${PKG_${module_name}_${ecm_fpwc_comp}_LIBRARY_DIRS} | ||
| ) | ||
|
|
||
| set(${module_name}_${ecm_fpwc_comp}_VERSION "${PKG_${module_name}_${ecm_fpwc_comp}_VERSION}") | ||
| if(NOT ${module_name}_VERSION) | ||
| set(${module_name}_VERSION ${${module_name}_${ecm_fpwc_comp}_VERSION}) | ||
| endif() | ||
|
|
||
| set(FPHSA_NAME_MISMATCHED 1) | ||
| find_package_handle_standard_args(${module_name}_${ecm_fpwc_comp} | ||
| FOUND_VAR | ||
| ${module_name}_${ecm_fpwc_comp}_FOUND | ||
| REQUIRED_VARS | ||
| ${module_name}_${ecm_fpwc_comp}_LIBRARY | ||
| ${module_name}_${ecm_fpwc_comp}_INCLUDE_DIR | ||
| ${ecm_fpwc_dep_vars} | ||
| VERSION_VAR | ||
| ${module_name}_${ecm_fpwc_comp}_VERSION | ||
| ) | ||
| unset(FPHSA_NAME_MISMATCHED) | ||
|
|
||
| mark_as_advanced( | ||
| ${module_name}_${ecm_fpwc_comp}_LIBRARY | ||
| ${module_name}_${ecm_fpwc_comp}_INCLUDE_DIR | ||
| ) | ||
|
|
||
| if(${module_name}_${ecm_fpwc_comp}_FOUND) | ||
| list(APPEND ${module_name}_LIBRARIES | ||
| "${${module_name}_${ecm_fpwc_comp}_LIBRARY}") | ||
| list(APPEND ${module_name}_INCLUDE_DIRS | ||
| "${${module_name}_${ecm_fpwc_comp}_INCLUDE_DIR}") | ||
| set(${module_name}_DEFINITIONS | ||
| ${${module_name}_DEFINITIONS} | ||
| ${PKG_${module_name}_${ecm_fpwc_comp}_DEFINITIONS}) | ||
| if(NOT TARGET ${module_name}::${ecm_fpwc_comp}) | ||
| add_library(${module_name}::${ecm_fpwc_comp} UNKNOWN IMPORTED) | ||
| set_target_properties(${module_name}::${ecm_fpwc_comp} PROPERTIES | ||
| IMPORTED_LOCATION "${${module_name}_${ecm_fpwc_comp}_LIBRARY}" | ||
| INTERFACE_COMPILE_OPTIONS "${PKG_${module_name}_${ecm_fpwc_comp}_DEFINITIONS}" | ||
| INTERFACE_INCLUDE_DIRECTORIES "${${module_name}_${ecm_fpwc_comp}_INCLUDE_DIR}" | ||
| INTERFACE_LINK_LIBRARIES "${ecm_fpwc_dep_targets}" | ||
| ) | ||
| endif() | ||
| list(APPEND ${module_name}_TARGETS | ||
| "${module_name}::${ecm_fpwc_comp}") | ||
| endif() | ||
| endforeach() | ||
| if(${module_name}_LIBRARIES) | ||
| list(REMOVE_DUPLICATES ${module_name}_LIBRARIES) | ||
| endif() | ||
| if(${module_name}_INCLUDE_DIRS) | ||
| list(REMOVE_DUPLICATES ${module_name}_INCLUDE_DIRS) | ||
| endif() | ||
| if(${module_name}_DEFINITIONS) | ||
| list(REMOVE_DUPLICATES ${module_name}_DEFINITIONS) | ||
| endif() | ||
| if(${module_name}_TARGETS) | ||
| list(REMOVE_DUPLICATES ${module_name}_TARGETS) | ||
| endif() | ||
| endmacro() |
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