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Diffstat (limited to 'share/cmake-3.22/Modules/CMakeExpandImportedTargets.cmake')
| -rw-r--r-- | share/cmake-3.22/Modules/CMakeExpandImportedTargets.cmake | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/share/cmake-3.22/Modules/CMakeExpandImportedTargets.cmake b/share/cmake-3.22/Modules/CMakeExpandImportedTargets.cmake new file mode 100644 index 0000000..b8f471c --- /dev/null +++ b/share/cmake-3.22/Modules/CMakeExpandImportedTargets.cmake @@ -0,0 +1,148 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#[=======================================================================[.rst: +CMakeExpandImportedTargets +-------------------------- + +.. deprecated:: 3.4 + + Do not use. + +This module was once needed to expand imported targets to the underlying +libraries they reference on disk for use with the :command:`try_compile` +and :command:`try_run` commands. These commands now support imported +libraries in their ``LINK_LIBRARIES`` options (since CMake 2.8.11 +for :command:`try_compile` and since CMake 3.2 for :command:`try_run`). + +This module does not support the policy :policy:`CMP0022` ``NEW`` +behavior or use of the :prop_tgt:`INTERFACE_LINK_LIBRARIES` property +because :manual:`generator expressions <cmake-generator-expressions(7)>` +cannot be evaluated during configuration. + +:: + + CMAKE_EXPAND_IMPORTED_TARGETS(<var> LIBRARIES lib1 lib2...libN + [CONFIGURATION <config>]) + +CMAKE_EXPAND_IMPORTED_TARGETS() takes a list of libraries and replaces +all imported targets contained in this list with their actual file +paths of the referenced libraries on disk, including the libraries +from their link interfaces. If a CONFIGURATION is given, it uses the +respective configuration of the imported targets if it exists. If no +CONFIGURATION is given, it uses the first configuration from +${CMAKE_CONFIGURATION_TYPES} if set, otherwise ${CMAKE_BUILD_TYPE}. + +:: + + cmake_expand_imported_targets(expandedLibs + LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} + CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}" ) +#]=======================================================================] + +function(CMAKE_EXPAND_IMPORTED_TARGETS _RESULT ) + + set(options ) + set(oneValueArgs CONFIGURATION ) + set(multiValueArgs LIBRARIES ) + + cmake_parse_arguments(CEIT "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN}) + + if(CEIT_UNPARSED_ARGUMENTS) + message(FATAL_ERROR "Unknown keywords given to CMAKE_EXPAND_IMPORTED_TARGETS(): \"${CEIT_UNPARSED_ARGUMENTS}\"") + endif() + + if(NOT CEIT_CONFIGURATION) + # Would be better to test GENERATOR_IS_MULTI_CONFIG global property, + # but the documented behavior specifically says we check + # CMAKE_CONFIGURATION_TYPES and fall back to CMAKE_BUILD_TYPE if no + # config types are defined. + if(CMAKE_CONFIGURATION_TYPES) + list(GET CMAKE_CONFIGURATION_TYPES 0 CEIT_CONFIGURATION) + else() + set(CEIT_CONFIGURATION ${CMAKE_BUILD_TYPE}) + endif() + endif() + + # handle imported library targets + + set(_CCSR_REQ_LIBS ${CEIT_LIBRARIES}) + + set(_CHECK_FOR_IMPORTED_TARGETS TRUE) + set(_CCSR_LOOP_COUNTER 0) + while(_CHECK_FOR_IMPORTED_TARGETS) + math(EXPR _CCSR_LOOP_COUNTER "${_CCSR_LOOP_COUNTER} + 1 ") + set(_CCSR_NEW_REQ_LIBS ) + set(_CHECK_FOR_IMPORTED_TARGETS FALSE) + foreach(_CURRENT_LIB ${_CCSR_REQ_LIBS}) + if(TARGET "${_CURRENT_LIB}") + get_target_property(_importedConfigs "${_CURRENT_LIB}" IMPORTED_CONFIGURATIONS) + else() + set(_importedConfigs "") + endif() + if (_importedConfigs) + # message(STATUS "Detected imported target ${_CURRENT_LIB}") + # Ok, so this is an imported target. + # First we get the imported configurations. + # Then we get the location of the actual library on disk of the first configuration. + # then we'll get its link interface libraries property, + # iterate through it and replace all imported targets we find there + # with there actual location. + + # guard against infinite loop: abort after 100 iterations ( 100 is arbitrary chosen) + if ("${_CCSR_LOOP_COUNTER}" LESS 100) + set(_CHECK_FOR_IMPORTED_TARGETS TRUE) +# else () +# message(STATUS "********* aborting loop, counter : ${_CCSR_LOOP_COUNTER}") + endif () + + # if one of the imported configurations equals ${CMAKE_TRY_COMPILE_CONFIGURATION}, + # use it, otherwise simply use the first one: + list(FIND _importedConfigs "${CEIT_CONFIGURATION}" _configIndexToUse) + if("${_configIndexToUse}" EQUAL -1) + set(_configIndexToUse 0) + endif() + list(GET _importedConfigs ${_configIndexToUse} _importedConfigToUse) + + get_target_property(_importedLocation "${_CURRENT_LIB}" IMPORTED_LOCATION_${_importedConfigToUse}) + get_target_property(_linkInterfaceLibs "${_CURRENT_LIB}" IMPORTED_LINK_INTERFACE_LIBRARIES_${_importedConfigToUse} ) + + list(APPEND _CCSR_NEW_REQ_LIBS "${_importedLocation}") +# message(STATUS "Appending lib ${_CURRENT_LIB} as ${_importedLocation}") + if(_linkInterfaceLibs) + foreach(_currentLinkInterfaceLib ${_linkInterfaceLibs}) +# message(STATUS "Appending link interface lib ${_currentLinkInterfaceLib}") + if(_currentLinkInterfaceLib) + list(APPEND _CCSR_NEW_REQ_LIBS "${_currentLinkInterfaceLib}" ) + endif() + endforeach() + endif() + else() + # "Normal" libraries are just used as they are. + list(APPEND _CCSR_NEW_REQ_LIBS "${_CURRENT_LIB}" ) +# message(STATUS "Appending lib directly: ${_CURRENT_LIB}") + endif() + endforeach() + set(_CCSR_REQ_LIBS ${_CCSR_NEW_REQ_LIBS} ) + endwhile() + + # Finally we iterate once more over all libraries. This loop only removes + # all remaining imported target names (there shouldn't be any left anyway). + set(_CCSR_NEW_REQ_LIBS ) + foreach(_CURRENT_LIB ${_CCSR_REQ_LIBS}) + if(TARGET "${_CURRENT_LIB}") + get_target_property(_importedConfigs "${_CURRENT_LIB}" IMPORTED_CONFIGURATIONS) + else() + set(_importedConfigs "") + endif() + if (NOT _importedConfigs) + list(APPEND _CCSR_NEW_REQ_LIBS "${_CURRENT_LIB}" ) +# message(STATUS "final: appending ${_CURRENT_LIB}") +# else () +# message(STATUS "final: skipping ${_CURRENT_LIB}") + endif () + endforeach() +# message(STATUS "setting -${_RESULT}- to -${_CCSR_NEW_REQ_LIBS}-") + set(${_RESULT} "${_CCSR_NEW_REQ_LIBS}" PARENT_SCOPE) + +endfunction() |