679 lines
26 KiB
CMake
679 lines
26 KiB
CMake
# 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 adds the :command:`pkg_get_variable`,
|
|
:command:`pkg_check_modules` and :command:`pkg_search_module` commands. The
|
|
following variables will also be set::
|
|
|
|
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)
|
|
|
|
#]========================================]
|
|
|
|
### 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 pkg-config variable ``varName`` and stores it in the
|
|
result variable ``resultVar`` in the calling scope. ::
|
|
|
|
pkg_get_variable(<resultVar> <moduleName> <varName>)
|
|
|
|
If ``pkg-config`` returns multiple values for the specified variable,
|
|
``resultVar`` 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)
|
|
list(APPEND _find_opts "NO_CMAKE_PATH")
|
|
endif()
|
|
if(_no_cmake_environment_path)
|
|
list(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()
|
|
|
|
|
|
#[========================================[.rst:
|
|
.. command:: pkg_check_modules
|
|
|
|
Checks for all the given modules, setting a variety of result variables in
|
|
the calling scope. ::
|
|
|
|
pkg_check_modules(<prefix>
|
|
[REQUIRED] [QUIET]
|
|
[NO_CMAKE_PATH]
|
|
[NO_CMAKE_ENVIRONMENT_PATH]
|
|
[IMPORTED_TARGET]
|
|
<moduleSpec> [<moduleSpec>...])
|
|
|
|
When the ``REQUIRED`` argument is given, the command will fail with an error
|
|
if module(s) could not be found.
|
|
|
|
When the ``QUIET`` argument is given, 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 to a
|
|
boolean ``True`` value, then the :variable:`CMAKE_PREFIX_PATH`,
|
|
:variable:`CMAKE_FRAMEWORK_PATH`, and :variable:`CMAKE_APPBUNDLE_PATH` cache
|
|
and environment variables will be added to the ``pkg-config`` search path.
|
|
The ``NO_CMAKE_PATH`` and ``NO_CMAKE_ENVIRONMENT_PATH`` arguments
|
|
disable this behavior for the cache variables and 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`.
|
|
|
|
Each ``<moduleSpec>`` must be in one of the following formats::
|
|
|
|
{moduleName} ... matches any version
|
|
{moduleName}>={version} ... at least version <version> is required
|
|
{moduleName}={version} ... exactly version <version> is required
|
|
{moduleName}<={version} ... modules must not be newer than <version>
|
|
|
|
The following variables may be set upon return. Two sets of values exist,
|
|
one for the common case (``<XXX> = <prefix>``) and another for the
|
|
information ``pkg-config`` provides when it is called with the ``--static``
|
|
option (``<XXX> = <prefix>_STATIC``)::
|
|
|
|
<XXX>_FOUND ... set to 1 if module(s) exist
|
|
<XXX>_LIBRARIES ... only the libraries (without the '-l')
|
|
<XXX>_LIBRARY_DIRS ... the paths of the libraries (without the '-L')
|
|
<XXX>_LDFLAGS ... all required linker flags
|
|
<XXX>_LDFLAGS_OTHER ... all other linker flags
|
|
<XXX>_INCLUDE_DIRS ... the '-I' preprocessor flags (without the '-I')
|
|
<XXX>_CFLAGS ... all required cflags
|
|
<XXX>_CFLAGS_OTHER ... the other compiler flags
|
|
|
|
All but ``<XXX>_FOUND`` may be a :ref:`;-list <CMake Language Lists>` if the
|
|
associated variable returned from ``pkg-config`` has multiple values.
|
|
|
|
There are some special variables whose prefix depends on the number of
|
|
``<moduleSpec>`` given. When there is only one ``<moduleSpec>``,
|
|
``<YYY>`` will simply be ``<prefix>``, but if two or more ``<moduleSpec>``
|
|
items are given, ``<YYY>`` will be ``<prefix>_<moduleName>``::
|
|
|
|
<YYY>_VERSION ... version of the module
|
|
<YYY>_PREFIX ... prefix directory of the module
|
|
<YYY>_INCLUDEDIR ... include directory of the module
|
|
<YYY>_LIBDIR ... lib directory of the module
|
|
|
|
Examples
|
|
|
|
.. code-block:: cmake
|
|
|
|
pkg_check_modules (GLIB2 glib-2.0)
|
|
|
|
Looks for any version of glib2. If found, the output variable
|
|
``GLIB2_VERSION`` will hold the actual version found.
|
|
|
|
.. code-block:: cmake
|
|
|
|
pkg_check_modules (GLIB2 glib-2.0>=2.10)
|
|
|
|
Looks for at least version 2.10 of glib2. If found, the output variable
|
|
``GLIB2_VERSION`` will hold the actual version found.
|
|
|
|
.. code-block:: cmake
|
|
|
|
pkg_check_modules (FOO glib-2.0>=2.10 gtk+-2.0)
|
|
|
|
Looks for both glib2-2.0 (at least version 2.10) and any version of
|
|
gtk2+-2.0. Only if both are found will ``FOO`` be considered found.
|
|
The ``FOO_glib-2.0_VERSION`` and ``FOO_gtk+-2.0_VERSION`` variables will be
|
|
set to their respective found module versions.
|
|
|
|
.. code-block:: cmake
|
|
|
|
pkg_check_modules (XRENDER REQUIRED xrender)
|
|
|
|
Requires any version of ``xrender``. Example output variables set by a
|
|
successful call::
|
|
|
|
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} ${_no_cmake_environment_path})
|
|
endif()
|
|
endmacro()
|
|
|
|
|
|
#[========================================[.rst:
|
|
.. command:: pkg_search_module
|
|
|
|
The behavior of this command is the same as :command:`pkg_check_modules`,
|
|
except that rather than checking for all the specified modules, it searches
|
|
for just the first successful match. ::
|
|
|
|
pkg_search_module(<prefix>
|
|
[REQUIRED] [QUIET]
|
|
[NO_CMAKE_PATH]
|
|
[NO_CMAKE_ENVIRONMENT_PATH]
|
|
[IMPORTED_TARGET]
|
|
<moduleSpec> [<moduleSpec>...])
|
|
|
|
Examples
|
|
|
|
.. code-block:: cmake
|
|
|
|
pkg_search_module (BAR libxml-2.0 libxml2 libxml>=2)
|
|
#]========================================]
|
|
macro(pkg_search_module _prefix _module0)
|
|
_pkgconfig_parse_options(_pkg_modules_alt _pkg_is_required _pkg_is_silent _no_cmake_path _no_cmake_environment_path _imp_target "${_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:
|
|
Variables Affecting Behavior
|
|
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
.. variable:: PKG_CONFIG_EXECUTABLE
|
|
|
|
This can be set to the path of the pkg-config executable. If not provided,
|
|
it will be set by the module as a result of calling :command:`find_program`
|
|
internally. The ``PKG_CONFIG`` environment variable can be used as a hint.
|
|
|
|
.. variable:: PKG_CONFIG_USE_CMAKE_PREFIX_PATH
|
|
|
|
Specifies whether :command:`pkg_check_modules` and
|
|
:command:`pkg_search_module` should add the paths in the
|
|
:variable:`CMAKE_PREFIX_PATH`, :variable:`CMAKE_FRAMEWORK_PATH` and
|
|
:variable:`CMAKE_APPBUNDLE_PATH` cache and environment variables to the
|
|
``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:
|