diff options
Diffstat (limited to 'share/cmake-3.10/Modules/FindPkgConfig.cmake')
| -rw-r--r-- | share/cmake-3.10/Modules/FindPkgConfig.cmake | 677 |
1 files changed, 0 insertions, 677 deletions
diff --git a/share/cmake-3.10/Modules/FindPkgConfig.cmake b/share/cmake-3.10/Modules/FindPkgConfig.cmake deleted file mode 100644 index 76afa8a..0000000 --- a/share/cmake-3.10/Modules/FindPkgConfig.cmake +++ /dev/null @@ -1,677 +0,0 @@ -# Distributed under the OSI-approved BSD 3-Clause License. See accompanying -# file Copyright.txt or https://cmake.org/licensing for details. - -#.rst: -# FindPkgConfig -# ------------- -# -# A `pkg-config` module for CMake. -# -# Finds the ``pkg-config`` executable and add the -# :command:`pkg_check_modules` and :command:`pkg_search_module` -# commands. -# -# In order to find the ``pkg-config`` executable, it uses the -# :variable:`PKG_CONFIG_EXECUTABLE` variable or the ``PKG_CONFIG`` -# environment variable first. - -### Common stuff #### -set(PKG_CONFIG_VERSION 1) - -# find pkg-config, use PKG_CONFIG if set -if((NOT PKG_CONFIG_EXECUTABLE) AND (NOT "$ENV{PKG_CONFIG}" STREQUAL "")) - set(PKG_CONFIG_EXECUTABLE "$ENV{PKG_CONFIG}" CACHE FILEPATH "pkg-config executable") -endif() -find_program(PKG_CONFIG_EXECUTABLE NAMES pkg-config DOC "pkg-config executable") -mark_as_advanced(PKG_CONFIG_EXECUTABLE) - -if (PKG_CONFIG_EXECUTABLE) - execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE} --version - OUTPUT_VARIABLE PKG_CONFIG_VERSION_STRING - ERROR_QUIET - OUTPUT_STRIP_TRAILING_WHITESPACE) -endif () - -include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) -find_package_handle_standard_args(PkgConfig - REQUIRED_VARS PKG_CONFIG_EXECUTABLE - VERSION_VAR PKG_CONFIG_VERSION_STRING) - -# This is needed because the module name is "PkgConfig" but the name of -# this variable has always been PKG_CONFIG_FOUND so this isn't automatically -# handled by FPHSA. -set(PKG_CONFIG_FOUND "${PKGCONFIG_FOUND}") - -# Unsets the given variables -macro(_pkgconfig_unset var) - set(${var} "" CACHE INTERNAL "") -endmacro() - -macro(_pkgconfig_set var value) - set(${var} ${value} CACHE INTERNAL "") -endmacro() - -# Invokes pkgconfig, cleans up the result and sets variables -macro(_pkgconfig_invoke _pkglist _prefix _varname _regexp) - set(_pkgconfig_invoke_result) - - execute_process( - COMMAND ${PKG_CONFIG_EXECUTABLE} ${ARGN} ${_pkglist} - OUTPUT_VARIABLE _pkgconfig_invoke_result - RESULT_VARIABLE _pkgconfig_failed - OUTPUT_STRIP_TRAILING_WHITESPACE) - - if (_pkgconfig_failed) - set(_pkgconfig_${_varname} "") - _pkgconfig_unset(${_prefix}_${_varname}) - else() - string(REGEX REPLACE "[\r\n]" " " _pkgconfig_invoke_result "${_pkgconfig_invoke_result}") - - if (NOT ${_regexp} STREQUAL "") - string(REGEX REPLACE "${_regexp}" " " _pkgconfig_invoke_result "${_pkgconfig_invoke_result}") - endif() - - separate_arguments(_pkgconfig_invoke_result) - - #message(STATUS " ${_varname} ... ${_pkgconfig_invoke_result}") - set(_pkgconfig_${_varname} ${_pkgconfig_invoke_result}) - _pkgconfig_set(${_prefix}_${_varname} "${_pkgconfig_invoke_result}") - endif() -endmacro() - -#[========================================[.rst: -.. command:: pkg_get_variable - - Retrieves the value of a variable from a package:: - - pkg_get_variable(<RESULT> <MODULE> <VARIABLE>) - - If multiple values are returned variable will contain a - :ref:`;-list <CMake Language Lists>`. - - For example: - - .. code-block:: cmake - - pkg_get_variable(GI_GIRDIR gobject-introspection-1.0 girdir) -#]========================================] -function (pkg_get_variable result pkg variable) - _pkgconfig_invoke("${pkg}" "prefix" "result" "" "--variable=${variable}") - set("${result}" - "${prefix_result}" - PARENT_SCOPE) -endfunction () - -# Invokes pkgconfig two times; once without '--static' and once with -# '--static' -macro(_pkgconfig_invoke_dyn _pkglist _prefix _varname cleanup_regexp) - _pkgconfig_invoke("${_pkglist}" ${_prefix} ${_varname} "${cleanup_regexp}" ${ARGN}) - _pkgconfig_invoke("${_pkglist}" ${_prefix} STATIC_${_varname} "${cleanup_regexp}" --static ${ARGN}) -endmacro() - -# Splits given arguments into options and a package list -macro(_pkgconfig_parse_options _result _is_req _is_silent _no_cmake_path _no_cmake_environment_path _imp_target) - set(${_is_req} 0) - set(${_is_silent} 0) - set(${_no_cmake_path} 0) - set(${_no_cmake_environment_path} 0) - set(${_imp_target} 0) - if(DEFINED PKG_CONFIG_USE_CMAKE_PREFIX_PATH) - if(NOT PKG_CONFIG_USE_CMAKE_PREFIX_PATH) - set(${_no_cmake_path} 1) - set(${_no_cmake_environment_path} 1) - endif() - elseif(CMAKE_MINIMUM_REQUIRED_VERSION VERSION_LESS 3.1) - set(${_no_cmake_path} 1) - set(${_no_cmake_environment_path} 1) - endif() - - foreach(_pkg ${ARGN}) - if (_pkg STREQUAL "REQUIRED") - set(${_is_req} 1) - endif () - if (_pkg STREQUAL "QUIET") - set(${_is_silent} 1) - endif () - if (_pkg STREQUAL "NO_CMAKE_PATH") - set(${_no_cmake_path} 1) - endif() - if (_pkg STREQUAL "NO_CMAKE_ENVIRONMENT_PATH") - set(${_no_cmake_environment_path} 1) - endif() - if (_pkg STREQUAL "IMPORTED_TARGET") - set(${_imp_target} 1) - endif() - endforeach() - - set(${_result} ${ARGN}) - list(REMOVE_ITEM ${_result} "REQUIRED") - list(REMOVE_ITEM ${_result} "QUIET") - list(REMOVE_ITEM ${_result} "NO_CMAKE_PATH") - list(REMOVE_ITEM ${_result} "NO_CMAKE_ENVIRONMENT_PATH") - list(REMOVE_ITEM ${_result} "IMPORTED_TARGET") -endmacro() - -# Add the content of a variable or an environment variable to a list of -# paths -# Usage: -# - _pkgconfig_add_extra_path(_extra_paths VAR) -# - _pkgconfig_add_extra_path(_extra_paths ENV VAR) -function(_pkgconfig_add_extra_path _extra_paths_var _var) - set(_is_env 0) - if(ARGC GREATER 2 AND _var STREQUAL "ENV") - set(_var ${ARGV2}) - set(_is_env 1) - endif() - if(NOT _is_env) - if(NOT "${${_var}}" STREQUAL "") - list(APPEND ${_extra_paths_var} ${${_var}}) - endif() - else() - if(NOT "$ENV{${_var}}" STREQUAL "") - file(TO_CMAKE_PATH "$ENV{${_var}}" _path) - list(APPEND ${_extra_paths_var} ${_path}) - unset(_path) - endif() - endif() - set(${_extra_paths_var} ${${_extra_paths_var}} PARENT_SCOPE) -endfunction() - -# scan the LDFLAGS returned by pkg-config for library directories and -# libraries, figure out the absolute paths of that libraries in the -# given directories, and create an imported target from them -function(_pkg_create_imp_target _prefix _no_cmake_path _no_cmake_environment_path) - unset(_libs) - unset(_find_opts) - - # set the options that are used as long as the .pc file does not provide a library - # path to look into - if(_no_cmake_path) - set(_find_opts "NO_CMAKE_PATH") - endif() - if(_no_cmake_environment_path) - string(APPEND _find_opts " NO_CMAKE_ENVIRONMENT_PATH") - endif() - - unset(_search_paths) - foreach (flag IN LISTS ${_prefix}_LDFLAGS) - if (flag MATCHES "^-L(.*)") - # only look into the given paths from now on - list(APPEND _search_paths ${CMAKE_MATCH_1}) - set(_find_opts HINTS ${_search_paths} NO_DEFAULT_PATH) - continue() - endif() - if (flag MATCHES "^-l(.*)") - set(_pkg_search "${CMAKE_MATCH_1}") - else() - continue() - endif() - - find_library(pkgcfg_lib_${_prefix}_${_pkg_search} - NAMES ${_pkg_search} - ${_find_opts}) - list(APPEND _libs "${pkgcfg_lib_${_prefix}_${_pkg_search}}") - endforeach() - - # only create the target if it is linkable, i.e. no executables - if (NOT TARGET PkgConfig::${_prefix} - AND ( ${_prefix}_INCLUDE_DIRS OR _libs OR ${_prefix}_CFLAGS_OTHER )) - add_library(PkgConfig::${_prefix} INTERFACE IMPORTED) - - unset(_props) - if(${_prefix}_INCLUDE_DIRS) - set_property(TARGET PkgConfig::${_prefix} PROPERTY - INTERFACE_INCLUDE_DIRECTORIES "${${_prefix}_INCLUDE_DIRS}") - endif() - if(_libs) - set_property(TARGET PkgConfig::${_prefix} PROPERTY - INTERFACE_LINK_LIBRARIES "${_libs}") - endif() - if(${_prefix}_CFLAGS_OTHER) - set_property(TARGET PkgConfig::${_prefix} PROPERTY - INTERFACE_COMPILE_OPTIONS "${${_prefix}_CFLAGS_OTHER}") - endif() - endif() -endfunction() - -### -macro(_pkg_check_modules_internal _is_required _is_silent _no_cmake_path _no_cmake_environment_path _imp_target _prefix) - _pkgconfig_unset(${_prefix}_FOUND) - _pkgconfig_unset(${_prefix}_VERSION) - _pkgconfig_unset(${_prefix}_PREFIX) - _pkgconfig_unset(${_prefix}_INCLUDEDIR) - _pkgconfig_unset(${_prefix}_LIBDIR) - _pkgconfig_unset(${_prefix}_LIBS) - _pkgconfig_unset(${_prefix}_LIBS_L) - _pkgconfig_unset(${_prefix}_LIBS_PATHS) - _pkgconfig_unset(${_prefix}_LIBS_OTHER) - _pkgconfig_unset(${_prefix}_CFLAGS) - _pkgconfig_unset(${_prefix}_CFLAGS_I) - _pkgconfig_unset(${_prefix}_CFLAGS_OTHER) - _pkgconfig_unset(${_prefix}_STATIC_LIBDIR) - _pkgconfig_unset(${_prefix}_STATIC_LIBS) - _pkgconfig_unset(${_prefix}_STATIC_LIBS_L) - _pkgconfig_unset(${_prefix}_STATIC_LIBS_PATHS) - _pkgconfig_unset(${_prefix}_STATIC_LIBS_OTHER) - _pkgconfig_unset(${_prefix}_STATIC_CFLAGS) - _pkgconfig_unset(${_prefix}_STATIC_CFLAGS_I) - _pkgconfig_unset(${_prefix}_STATIC_CFLAGS_OTHER) - - # create a better addressable variable of the modules and calculate its size - set(_pkg_check_modules_list ${ARGN}) - list(LENGTH _pkg_check_modules_list _pkg_check_modules_cnt) - - if(PKG_CONFIG_EXECUTABLE) - # give out status message telling checked module - if (NOT ${_is_silent}) - if (_pkg_check_modules_cnt EQUAL 1) - message(STATUS "Checking for module '${_pkg_check_modules_list}'") - else() - message(STATUS "Checking for modules '${_pkg_check_modules_list}'") - endif() - endif() - - set(_pkg_check_modules_packages) - set(_pkg_check_modules_failed) - - set(_extra_paths) - - if(NOT _no_cmake_path) - _pkgconfig_add_extra_path(_extra_paths CMAKE_PREFIX_PATH) - _pkgconfig_add_extra_path(_extra_paths CMAKE_FRAMEWORK_PATH) - _pkgconfig_add_extra_path(_extra_paths CMAKE_APPBUNDLE_PATH) - endif() - - if(NOT _no_cmake_environment_path) - _pkgconfig_add_extra_path(_extra_paths ENV CMAKE_PREFIX_PATH) - _pkgconfig_add_extra_path(_extra_paths ENV CMAKE_FRAMEWORK_PATH) - _pkgconfig_add_extra_path(_extra_paths ENV CMAKE_APPBUNDLE_PATH) - endif() - - if(NOT "${_extra_paths}" STREQUAL "") - # Save the PKG_CONFIG_PATH environment variable, and add paths - # from the CMAKE_PREFIX_PATH variables - set(_pkgconfig_path_old "$ENV{PKG_CONFIG_PATH}") - set(_pkgconfig_path "${_pkgconfig_path_old}") - if(NOT "${_pkgconfig_path}" STREQUAL "") - file(TO_CMAKE_PATH "${_pkgconfig_path}" _pkgconfig_path) - endif() - - # Create a list of the possible pkgconfig subfolder (depending on - # the system - set(_lib_dirs) - if(NOT DEFINED CMAKE_SYSTEM_NAME - OR (CMAKE_SYSTEM_NAME MATCHES "^(Linux|kFreeBSD|GNU)$" - AND NOT CMAKE_CROSSCOMPILING)) - if(EXISTS "/etc/debian_version") # is this a debian system ? - if(CMAKE_LIBRARY_ARCHITECTURE) - list(APPEND _lib_dirs "lib/${CMAKE_LIBRARY_ARCHITECTURE}/pkgconfig") - endif() - else() - # not debian, check the FIND_LIBRARY_USE_LIB32_PATHS and FIND_LIBRARY_USE_LIB64_PATHS properties - get_property(uselib32 GLOBAL PROPERTY FIND_LIBRARY_USE_LIB32_PATHS) - if(uselib32 AND CMAKE_SIZEOF_VOID_P EQUAL 4) - list(APPEND _lib_dirs "lib32/pkgconfig") - endif() - get_property(uselib64 GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS) - if(uselib64 AND CMAKE_SIZEOF_VOID_P EQUAL 8) - list(APPEND _lib_dirs "lib64/pkgconfig") - endif() - get_property(uselibx32 GLOBAL PROPERTY FIND_LIBRARY_USE_LIBX32_PATHS) - if(uselibx32 AND CMAKE_INTERNAL_PLATFORM_ABI STREQUAL "ELF X32") - list(APPEND _lib_dirs "libx32/pkgconfig") - endif() - endif() - endif() - if(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" AND NOT CMAKE_CROSSCOMPILING) - list(APPEND _lib_dirs "libdata/pkgconfig") - endif() - list(APPEND _lib_dirs "lib/pkgconfig") - list(APPEND _lib_dirs "share/pkgconfig") - - # Check if directories exist and eventually append them to the - # pkgconfig path list - foreach(_prefix_dir ${_extra_paths}) - foreach(_lib_dir ${_lib_dirs}) - if(EXISTS "${_prefix_dir}/${_lib_dir}") - list(APPEND _pkgconfig_path "${_prefix_dir}/${_lib_dir}") - list(REMOVE_DUPLICATES _pkgconfig_path) - endif() - endforeach() - endforeach() - - # Prepare and set the environment variable - if(NOT "${_pkgconfig_path}" STREQUAL "") - # remove empty values from the list - list(REMOVE_ITEM _pkgconfig_path "") - file(TO_NATIVE_PATH "${_pkgconfig_path}" _pkgconfig_path) - if(UNIX) - string(REPLACE ";" ":" _pkgconfig_path "${_pkgconfig_path}") - string(REPLACE "\\ " " " _pkgconfig_path "${_pkgconfig_path}") - endif() - set(ENV{PKG_CONFIG_PATH} "${_pkgconfig_path}") - endif() - - # Unset variables - unset(_lib_dirs) - unset(_pkgconfig_path) - endif() - - # iterate through module list and check whether they exist and match the required version - foreach (_pkg_check_modules_pkg ${_pkg_check_modules_list}) - set(_pkg_check_modules_exist_query) - - # check whether version is given - if (_pkg_check_modules_pkg MATCHES "(.*[^><])(>=|=|<=)(.*)") - set(_pkg_check_modules_pkg_name "${CMAKE_MATCH_1}") - set(_pkg_check_modules_pkg_op "${CMAKE_MATCH_2}") - set(_pkg_check_modules_pkg_ver "${CMAKE_MATCH_3}") - else() - set(_pkg_check_modules_pkg_name "${_pkg_check_modules_pkg}") - set(_pkg_check_modules_pkg_op) - set(_pkg_check_modules_pkg_ver) - endif() - - _pkgconfig_unset(${_prefix}_${_pkg_check_modules_pkg_name}_VERSION) - _pkgconfig_unset(${_prefix}_${_pkg_check_modules_pkg_name}_PREFIX) - _pkgconfig_unset(${_prefix}_${_pkg_check_modules_pkg_name}_INCLUDEDIR) - _pkgconfig_unset(${_prefix}_${_pkg_check_modules_pkg_name}_LIBDIR) - - list(APPEND _pkg_check_modules_packages "${_pkg_check_modules_pkg_name}") - - # create the final query which is of the format: - # * <pkg-name> >= <version> - # * <pkg-name> = <version> - # * <pkg-name> <= <version> - # * --exists <pkg-name> - list(APPEND _pkg_check_modules_exist_query --print-errors --short-errors) - if (_pkg_check_modules_pkg_op) - list(APPEND _pkg_check_modules_exist_query "${_pkg_check_modules_pkg_name} ${_pkg_check_modules_pkg_op} ${_pkg_check_modules_pkg_ver}") - else() - list(APPEND _pkg_check_modules_exist_query --exists) - list(APPEND _pkg_check_modules_exist_query "${_pkg_check_modules_pkg_name}") - endif() - - # execute the query - execute_process( - COMMAND ${PKG_CONFIG_EXECUTABLE} ${_pkg_check_modules_exist_query} - RESULT_VARIABLE _pkgconfig_retval - ERROR_VARIABLE _pkgconfig_error - ERROR_STRIP_TRAILING_WHITESPACE) - - # evaluate result and tell failures - if (_pkgconfig_retval) - if(NOT ${_is_silent}) - message(STATUS " ${_pkgconfig_error}") - endif() - - set(_pkg_check_modules_failed 1) - endif() - endforeach() - - if(_pkg_check_modules_failed) - # fail when requested - if (${_is_required}) - message(FATAL_ERROR "A required package was not found") - endif () - else() - # when we are here, we checked whether requested modules - # exist. Now, go through them and set variables - - _pkgconfig_set(${_prefix}_FOUND 1) - list(LENGTH _pkg_check_modules_packages pkg_count) - - # iterate through all modules again and set individual variables - foreach (_pkg_check_modules_pkg ${_pkg_check_modules_packages}) - # handle case when there is only one package required - if (pkg_count EQUAL 1) - set(_pkg_check_prefix "${_prefix}") - else() - set(_pkg_check_prefix "${_prefix}_${_pkg_check_modules_pkg}") - endif() - - _pkgconfig_invoke(${_pkg_check_modules_pkg} "${_pkg_check_prefix}" VERSION "" --modversion ) - pkg_get_variable("${_pkg_check_prefix}_PREFIX" ${_pkg_check_modules_pkg} "prefix") - pkg_get_variable("${_pkg_check_prefix}_INCLUDEDIR" ${_pkg_check_modules_pkg} "includedir") - pkg_get_variable("${_pkg_check_prefix}_LIBDIR" ${_pkg_check_modules_pkg} "libdir") - foreach (variable IN ITEMS PREFIX INCLUDEDIR LIBDIR) - _pkgconfig_set("${_pkg_check_prefix}_${variable}" "${${_pkg_check_prefix}_${variable}}") - endforeach () - - if (NOT ${_is_silent}) - message(STATUS " Found ${_pkg_check_modules_pkg}, version ${_pkgconfig_VERSION}") - endif () - endforeach() - - # set variables which are combined for multiple modules - _pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" LIBRARIES "(^| )-l" --libs-only-l ) - _pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" LIBRARY_DIRS "(^| )-L" --libs-only-L ) - _pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" LDFLAGS "" --libs ) - _pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" LDFLAGS_OTHER "" --libs-only-other ) - - _pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" INCLUDE_DIRS "(^| )-I" --cflags-only-I ) - _pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" CFLAGS "" --cflags ) - _pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" CFLAGS_OTHER "" --cflags-only-other ) - - if (_imp_target) - _pkg_create_imp_target("${_prefix}" _no_cmake_path _no_cmake_environment_path) - endif() - endif() - - if(NOT "${_extra_paths}" STREQUAL "") - # Restore the environment variable - set(ENV{PKG_CONFIG_PATH} "${_pkgconfig_path_old}") - endif() - - unset(_extra_paths) - unset(_pkgconfig_path_old) - else() - if (${_is_required}) - message(SEND_ERROR "pkg-config tool not found") - endif () - endif() -endmacro() - -### -### User visible macros start here -### - -#[========================================[.rst: -.. command:: pkg_check_modules - - Checks for all the given modules. :: - - pkg_check_modules(<PREFIX> [REQUIRED] [QUIET] - [NO_CMAKE_PATH] [NO_CMAKE_ENVIRONMENT_PATH] - [IMPORTED_TARGET] - <MODULE> [<MODULE>]*) - - - When the ``REQUIRED`` argument was set, macros will fail with an error - when module(s) could not be found. - - When the ``QUIET`` argument is set, no status messages will be printed. - - By default, if :variable:`CMAKE_MINIMUM_REQUIRED_VERSION` is 3.1 or - later, or if :variable:`PKG_CONFIG_USE_CMAKE_PREFIX_PATH` is set, the - :variable:`CMAKE_PREFIX_PATH`, :variable:`CMAKE_FRAMEWORK_PATH`, and - :variable:`CMAKE_APPBUNDLE_PATH` cache and environment variables will - be added to ``pkg-config`` search path. - The ``NO_CMAKE_PATH`` and ``NO_CMAKE_ENVIRONMENT_PATH`` arguments - disable this behavior for the cache variables and the environment - variables, respectively. - The ``IMPORTED_TARGET`` argument will create an imported target named - PkgConfig::<PREFIX>> that can be passed directly as an argument to - :command:`target_link_libraries`. - - It sets the following variables: :: - - PKG_CONFIG_FOUND ... if pkg-config executable was found - PKG_CONFIG_EXECUTABLE ... pathname of the pkg-config program - PKG_CONFIG_VERSION_STRING ... the version of the pkg-config program found - (since CMake 2.8.8) - - For the following variables two sets of values exist; first one is the - common one and has the given PREFIX. The second set contains flags - which are given out when ``pkg-config`` was called with the ``--static`` - option. :: - - <XPREFIX>_FOUND ... set to 1 if module(s) exist - <XPREFIX>_LIBRARIES ... only the libraries (w/o the '-l') - <XPREFIX>_LIBRARY_DIRS ... the paths of the libraries (w/o the '-L') - <XPREFIX>_LDFLAGS ... all required linker flags - <XPREFIX>_LDFLAGS_OTHER ... all other linker flags - <XPREFIX>_INCLUDE_DIRS ... the '-I' preprocessor flags (w/o the '-I') - <XPREFIX>_CFLAGS ... all required cflags - <XPREFIX>_CFLAGS_OTHER ... the other compiler flags - - :: - - <XPREFIX> = <PREFIX> for common case - <XPREFIX> = <PREFIX>_STATIC for static linking - - Every variable containing multiple values will be a - :ref:`;-list <CMake Language Lists>`. - - There are some special variables whose prefix depends on the count of - given modules. When there is only one module, <PREFIX> stays - unchanged. When there are multiple modules, the prefix will be - changed to <PREFIX>_<MODNAME>: :: - - <XPREFIX>_VERSION ... version of the module - <XPREFIX>_PREFIX ... prefix-directory of the module - <XPREFIX>_INCLUDEDIR ... include-dir of the module - <XPREFIX>_LIBDIR ... lib-dir of the module - - :: - - <XPREFIX> = <PREFIX> when |MODULES| == 1, else - <XPREFIX> = <PREFIX>_<MODNAME> - - A <MODULE> parameter can have the following formats: :: - - {MODNAME} ... matches any version - {MODNAME}>={VERSION} ... at least version <VERSION> is required - {MODNAME}={VERSION} ... exactly version <VERSION> is required - {MODNAME}<={VERSION} ... modules must not be newer than <VERSION> - - Examples - - .. code-block:: cmake - - pkg_check_modules (GLIB2 glib-2.0) - - .. code-block:: cmake - - pkg_check_modules (GLIB2 glib-2.0>=2.10) - - Requires at least version 2.10 of glib2 and defines e.g. - ``GLIB2_VERSION=2.10.3`` - - .. code-block:: cmake - - pkg_check_modules (FOO glib-2.0>=2.10 gtk+-2.0) - - Requires both glib2 and gtk2, and defines e.g. - ``FOO_glib-2.0_VERSION=2.10.3`` and ``FOO_gtk+-2.0_VERSION=2.8.20`` - - .. code-block:: cmake - - pkg_check_modules (XRENDER REQUIRED xrender) - - Defines for example:: - - XRENDER_LIBRARIES=Xrender;X11`` - XRENDER_STATIC_LIBRARIES=Xrender;X11;pthread;Xau;Xdmcp -#]========================================] -macro(pkg_check_modules _prefix _module0) - _pkgconfig_parse_options(_pkg_modules _pkg_is_required _pkg_is_silent _no_cmake_path _no_cmake_environment_path _imp_target "${_module0}" ${ARGN}) - # check cached value - if (NOT DEFINED __pkg_config_checked_${_prefix} OR __pkg_config_checked_${_prefix} LESS ${PKG_CONFIG_VERSION} OR NOT ${_prefix}_FOUND OR - (NOT "${ARGN}" STREQUAL "" AND NOT "${__pkg_config_arguments_${_prefix}}" STREQUAL "${_module0};${ARGN}") OR - ( "${ARGN}" STREQUAL "" AND NOT "${__pkg_config_arguments_${_prefix}}" STREQUAL "${_module0}")) - _pkg_check_modules_internal("${_pkg_is_required}" "${_pkg_is_silent}" ${_no_cmake_path} ${_no_cmake_environment_path} ${_imp_target} "${_prefix}" ${_pkg_modules}) - - _pkgconfig_set(__pkg_config_checked_${_prefix} ${PKG_CONFIG_VERSION}) - if (${_prefix}_FOUND) - _pkgconfig_set(__pkg_config_arguments_${_prefix} "${_module0};${ARGN}") - endif() - elseif (${_prefix}_FOUND AND ${_imp_target}) - _pkg_create_imp_target("${_prefix}" _no_cmake_path _no_cmake_environment_path) - endif() -endmacro() - - -#[========================================[.rst: -.. command:: pkg_search_module - - Same as :command:`pkg_check_modules`, but instead it checks for given - modules and uses the first working one. :: - - pkg_search_module(<PREFIX> [REQUIRED] [QUIET] - [NO_CMAKE_PATH] [NO_CMAKE_ENVIRONMENT_PATH] - [IMPORTED_TARGET] - <MODULE> [<MODULE>]*) - - Examples - - .. code-block:: cmake - - pkg_search_module (BAR libxml-2.0 libxml2 libxml>=2) -#]========================================] -macro(pkg_search_module _prefix _module0) - _pkgconfig_parse_options(_pkg_modules_alt _pkg_is_required _pkg_is_silent _no_cmake_path _no_cmake_environment_path _imp_target "${_module0}" ${ARGN}) - # check cached value - if (NOT DEFINED __pkg_config_checked_${_prefix} OR __pkg_config_checked_${_prefix} LESS ${PKG_CONFIG_VERSION} OR NOT ${_prefix}_FOUND) - set(_pkg_modules_found 0) - - if (NOT ${_pkg_is_silent}) - message(STATUS "Checking for one of the modules '${_pkg_modules_alt}'") - endif () - - # iterate through all modules and stop at the first working one. - foreach(_pkg_alt ${_pkg_modules_alt}) - if(NOT _pkg_modules_found) - _pkg_check_modules_internal(0 1 ${_no_cmake_path} ${_no_cmake_environment_path} ${_imp_target} "${_prefix}" "${_pkg_alt}") - endif() - - if (${_prefix}_FOUND) - set(_pkg_modules_found 1) - endif() - endforeach() - - if (NOT ${_prefix}_FOUND) - if(${_pkg_is_required}) - message(SEND_ERROR "None of the required '${_pkg_modules_alt}' found") - endif() - endif() - - _pkgconfig_set(__pkg_config_checked_${_prefix} ${PKG_CONFIG_VERSION}) - elseif (${_prefix}_FOUND AND ${_imp_target}) - _pkg_create_imp_target("${_prefix}" _no_cmake_path _no_cmake_environment_path) - endif() -endmacro() - - -#[========================================[.rst: -.. variable:: PKG_CONFIG_EXECUTABLE - - Path to the pkg-config executable. - - -.. variable:: PKG_CONFIG_USE_CMAKE_PREFIX_PATH - - Whether :command:`pkg_check_modules` and :command:`pkg_search_module` - should add the paths in :variable:`CMAKE_PREFIX_PATH`, - :variable:`CMAKE_FRAMEWORK_PATH`, and :variable:`CMAKE_APPBUNDLE_PATH` - cache and environment variables to ``pkg-config`` search path. - - If this variable is not set, this behavior is enabled by default if - :variable:`CMAKE_MINIMUM_REQUIRED_VERSION` is 3.1 or later, disabled - otherwise. -#]========================================] - - -### Local Variables: -### mode: cmake -### End: |