diff options
Diffstat (limited to 'Modules/FindPkgConfig.cmake')
| -rw-r--r-- | Modules/FindPkgConfig.cmake | 158 |
1 files changed, 150 insertions, 8 deletions
diff --git a/Modules/FindPkgConfig.cmake b/Modules/FindPkgConfig.cmake index b0ceb2b..812bb92 100644 --- a/Modules/FindPkgConfig.cmake +++ b/Modules/FindPkgConfig.cmake @@ -99,9 +99,20 @@ macro(_pkgconfig_invoke_dyn _pkglist _prefix _varname cleanup_regexp) endmacro() # Splits given arguments into options and a package list -macro(_pkgconfig_parse_options _result _is_req _is_silent) +macro(_pkgconfig_parse_options _result _is_req _is_silent _no_cmake_path _no_cmake_environment_path) set(${_is_req} 0) set(${_is_silent} 0) + set(${_no_cmake_path} 0) + set(${_no_cmake_environment_path} 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 ${ARGN}) if (_pkg STREQUAL "REQUIRED") @@ -110,15 +121,23 @@ macro(_pkgconfig_parse_options _result _is_req _is_silent) if (_pkg STREQUAL "QUIET") set(${_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() endforeach() set(${_result} ${ARGN}) list(REMOVE_ITEM ${_result} "REQUIRED") list(REMOVE_ITEM ${_result} "QUIET") + list(REMOVE_ITEM ${_result} "NO_CMAKE_PATH") + list(REMOVE_ITEM ${_result} "NO_CMAKE_ENVIRONMENT_PATH") endmacro() ### -macro(_pkg_check_modules_internal _is_required _is_silent _prefix) +macro(_pkg_check_modules_internal _is_required _is_silent _no_cmake_path _no_cmake_environment_path _prefix) _pkgconfig_unset(${_prefix}_FOUND) _pkgconfig_unset(${_prefix}_VERSION) _pkgconfig_unset(${_prefix}_PREFIX) @@ -157,6 +176,95 @@ macro(_pkg_check_modules_internal _is_required _is_silent _prefix) set(_pkg_check_modules_packages) set(_pkg_check_modules_failed) + set(_extra_paths) + + if(NOT _no_cmake_path) + if(NOT "${CMAKE_PREFIX_PATH}" STREQUAL "") + list(APPEND _extra_paths ${CMAKE_PREFIX_PATH}) + endif() + if(NOT "${CMAKE_FRAMEWORK_PATH}" STREQUAL "") + list(APPEND _extra_paths ${CMAKE_FRAMEWORK_PATH}) + endif() + if(NOT "${CMAKE_APPBUNDLE_PATH}" STREQUAL "") + list(APPEND _extra_paths ${CMAKE_FRAMEWORK_PATH}) + endif() + endif() + + if(NOT _no_cmake_environment_path) + if(NOT "$ENV{CMAKE_PREFIX_PATH}" STREQUAL "") + file(TO_CMAKE_PATH "$ENV{CMAKE_PREFIX_PATH}" _path) + list(APPEND _extra_paths ${_path}) + unset(_path) + endif() + if(NOT "$ENV{CMAKE_FRAMEWORK_PATH}" STREQUAL "") + file(TO_CMAKE_PATH "$ENV{CMAKE_FRAMEWORK_PATH}" _path) + list(APPEND _extra_paths ${_path}) + unset(_path) + endif() + if(NOT "$ENV{CMAKE_APPBUNDLE_PATH}" STREQUAL "") + file(TO_CMAKE_PATH "$ENV{CMAKE_APPBUNDLE_PATH}" _path) + list(APPEND _extra_paths ${_path}) + unset(_path) + endif() + endif() + + if(NOT "${_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, chech the FIND_LIBRARY_USE_LIB64_PATHS property + get_property(uselib64 GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS) + if(uselib64) + list(APPEND _lib_dirs "lib64/pkgconfig") + endif() + endif() + endif() + list(APPEND _lib_dirs "lib/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 ${_pkg_check_modules_list}) set(_pkg_check_modules_exist_query) @@ -260,6 +368,14 @@ macro(_pkg_check_modules_internal _is_required _is_silent _prefix) _pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" CFLAGS "" --cflags ) _pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" CFLAGS_OTHER "" --cflags-only-other ) endif() + + if(NOT "${_extra_paths}" STREQUAL "") + # Restore the environment variable + set(ENV{PKG_CONFIG_PATH} ${_pkgconfig_path}) + endif() + + unset(_extra_paths) + unset(_pkgconfig_path_old) else() if (${_is_required}) message(SEND_ERROR "pkg-config tool not found") @@ -276,13 +392,25 @@ endmacro() Checks for all the given modules. :: - pkg_check_modules(<PREFIX> [REQUIRED] [QUIET] <MODULE> [<MODULE>]*) + pkg_check_modules(<PREFIX> [REQUIRED] [QUIET] + [NO_CMAKE_PATH] [NO_CMAKE_ENVIRONMENT_PATH] + <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. + It sets the following variables: :: PKG_CONFIG_FOUND ... if pkg-config executable was found @@ -362,8 +490,8 @@ endmacro() macro(pkg_check_modules _prefix _module0) # check cached value if (NOT DEFINED __pkg_config_checked_${_prefix} OR __pkg_config_checked_${_prefix} LESS ${PKG_CONFIG_VERSION} OR NOT ${_prefix}_FOUND) - _pkgconfig_parse_options (_pkg_modules _pkg_is_required _pkg_is_silent "${_module0}" ${ARGN}) - _pkg_check_modules_internal("${_pkg_is_required}" "${_pkg_is_silent}" "${_prefix}" ${_pkg_modules}) + _pkgconfig_parse_options (_pkg_modules _pkg_is_required _pkg_is_silent _no_cmake_path _no_cmake_environment_path "${_module0}" ${ARGN}) + _pkg_check_modules_internal("${_pkg_is_required}" "${_pkg_is_silent}" ${_no_cmake_path} ${_no_cmake_environment_path} "${_prefix}" ${_pkg_modules}) _pkgconfig_set(__pkg_config_checked_${_prefix} ${PKG_CONFIG_VERSION}) endif() @@ -376,7 +504,9 @@ endmacro() Same as :command:`pkg_check_modules`, but instead it checks for given modules and uses the first working one. :: - pkg_search_module(<PREFIX> [REQUIRED] [QUIET] <MODULE> [<MODULE>]*) + pkg_search_module(<PREFIX> [REQUIRED] [QUIET] + [NO_CMAKE_PATH] [NO_CMAKE_ENVIRONMENT_PATH] + <MODULE> [<MODULE>]*) Examples @@ -388,7 +518,7 @@ macro(pkg_search_module _prefix _module0) # check cached value if (NOT DEFINED __pkg_config_checked_${_prefix} OR __pkg_config_checked_${_prefix} LESS ${PKG_CONFIG_VERSION} OR NOT ${_prefix}_FOUND) set(_pkg_modules_found 0) - _pkgconfig_parse_options(_pkg_modules_alt _pkg_is_required _pkg_is_silent "${_module0}" ${ARGN}) + _pkgconfig_parse_options(_pkg_modules_alt _pkg_is_required _pkg_is_silent _no_cmake_path _no_cmake_environment_path "${_module0}" ${ARGN}) if (NOT ${_pkg_is_silent}) message(STATUS "checking for one of the modules '${_pkg_modules_alt}'") @@ -397,7 +527,7 @@ macro(pkg_search_module _prefix _module0) # iterate through all modules and stop at the first working one. foreach(_pkg_alt ${_pkg_modules_alt}) if(NOT _pkg_modules_found) - _pkg_check_modules_internal(0 1 "${_prefix}" "${_pkg_alt}") + _pkg_check_modules_internal(0 1 ${_no_cmake_path} ${_no_cmake_environment_path} "${_prefix}" "${_pkg_alt}") endif() if (${_prefix}_FOUND) @@ -420,6 +550,18 @@ endmacro() .. 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. #]========================================] |