diff options
Diffstat (limited to 'Modules/CMakePackageConfigHelpers.cmake')
| -rw-r--r-- | Modules/CMakePackageConfigHelpers.cmake | 63 |
1 files changed, 60 insertions, 3 deletions
diff --git a/Modules/CMakePackageConfigHelpers.cmake b/Modules/CMakePackageConfigHelpers.cmake index 0c04608..fe5cc21 100644 --- a/Modules/CMakePackageConfigHelpers.cmake +++ b/Modules/CMakePackageConfigHelpers.cmake @@ -210,6 +210,7 @@ Generating an Apple Platform Selection File [WATCHOS_SIMULATOR_INCLUDE_FILE <file>] [VISIONOS_INCLUDE_FILE <file>] [VISIONOS_SIMULATOR_INCLUDE_FILE <file>] + [ERROR_VARIABLE <variable>] ) Write a file that includes an Apple-platform-specific ``.cmake`` file, @@ -256,9 +257,16 @@ Generating an Apple Platform Selection File ``VISIONOS_SIMULATOR_INCLUDE_FILE <file>`` File to include if the platform is visionOS Simulator. + ``ERROR_VARIABLE <variable>`` + If the consuming project is built for an unsupported platform, + set ``<variable>`` to an error message. The includer may use this + information to pretend the package was not found. If this option + is not given, the default behavior is to issue a fatal error. + If any of the optional include files is not specified, and the consuming - project is built for its corresponding platform, an error will be thrown - when including the generated file. + project is built for its corresponding platform, the generated file will + consider the platform to be unsupported. The behavior is determined + by the ``ERROR_VARIABLE`` option. .. command:: generate_apple_architecture_selection_file @@ -275,6 +283,7 @@ Generating an Apple Platform Selection File SINGLE_ARCHITECTURE_INCLUDE_FILES <file>...] [UNIVERSAL_ARCHITECTURES <arch>... UNIVERSAL_INCLUDE_FILE <file>] + [ERROR_VARIABLE <variable>] ) Write a file that includes an Apple-architecture-specific ``.cmake`` file @@ -313,6 +322,12 @@ Generating an Apple Platform Selection File a (non-strict) subset of the ``UNIVERSAL_ARCHITECTURES`` and does not match any one of the ``SINGLE_ARCHITECTURES``. + ``ERROR_VARIABLE <variable>`` + If the consuming project is built for an unsupported architecture, + set ``<variable>`` to an error message. The includer may use this + information to pretend the package was not found. If this option + is not given, the default behavior is to issue a fatal error. + Example Generating Package Files ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -486,6 +501,7 @@ function(generate_apple_platform_selection_file _output_file) INSTALL_DESTINATION INSTALL_PREFIX ${_config_file_options} + ERROR_VARIABLE ) set(_multi) cmake_parse_arguments(PARSE_ARGV 0 _gpsf "${_options}" "${_single}" "${_multi}") @@ -499,8 +515,15 @@ function(generate_apple_platform_selection_file _output_file) set(maybe_INSTALL_PREFIX "") endif() + if(_gpsf_ERROR_VARIABLE) + set(_branch_INIT "set(\"${_gpsf_ERROR_VARIABLE}\" \"\")") + else() + set(_branch_INIT "") + endif() + + set(_else ELSE) set(_have_relative 0) - foreach(_opt IN LISTS _config_file_options) + foreach(_opt IN LISTS _config_file_options _else) if(_gpsf_${_opt}) set(_config_file "${_gpsf_${_opt}}") if(NOT IS_ABSOLUTE "${_config_file}") @@ -508,6 +531,8 @@ function(generate_apple_platform_selection_file _output_file) set(_have_relative 1) endif() set(_branch_${_opt} "include(\"${_config_file}\")") + elseif(_gpsf_ERROR_VARIABLE) + set(_branch_${_opt} "set(\"${_gpsf_ERROR_VARIABLE}\" \"Platform not supported\")") else() set(_branch_${_opt} "message(FATAL_ERROR \"Platform not supported\")") endif() @@ -527,6 +552,7 @@ function(generate_apple_architecture_selection_file _output_file) INSTALL_DESTINATION INSTALL_PREFIX UNIVERSAL_INCLUDE_FILE + ERROR_VARIABLE ) set(_multi SINGLE_ARCHITECTURES @@ -552,6 +578,30 @@ function(generate_apple_architecture_selection_file _output_file) set(_branch_code "") + if(_gasf_ERROR_VARIABLE) + string(APPEND _branch_code + "set(\"${_gasf_ERROR_VARIABLE}\" \"\")\n" + ) + endif() + + string(APPEND _branch_code + "\n" + "if(NOT CMAKE_OSX_ARCHITECTURES)\n" + ) + if(_gasf_ERROR_VARIABLE) + string(APPEND _branch_code + " set(\"${_gasf_ERROR_VARIABLE}\" \"CMAKE_OSX_ARCHITECTURES must be explicitly set for this package\")\n" + " return()\n" + ) + else() + string(APPEND _branch_code + " message(FATAL_ERROR \"CMAKE_OSX_ARCHITECTURES must be explicitly set for this package\")\n" + ) + endif() + string(APPEND _branch_code + "endif()\n" + ) + foreach(pair IN ZIP_LISTS _gasf_SINGLE_ARCHITECTURES _gasf_SINGLE_ARCHITECTURE_INCLUDE_FILES) set(arch "${pair_0}") set(config_file "${pair_1}") @@ -588,6 +638,13 @@ function(generate_apple_architecture_selection_file _output_file) message(FATAL_ERROR "UNIVERSAL_ARCHITECTURES requires UNIVERSAL_INCLUDE_FILE") endif() + string(APPEND _branch_code "\n") + if(_gasf_ERROR_VARIABLE) + string(APPEND _branch_code "set(\"${_gasf_ERROR_VARIABLE}\" \"Architecture not supported\")") + else() + string(APPEND _branch_code "message(FATAL_ERROR \"Architecture not supported\")") + endif() + configure_package_config_file("${CMAKE_CURRENT_FUNCTION_LIST_DIR}/Internal/AppleArchitectureSelection.cmake.in" "${_output_file}" INSTALL_DESTINATION "${_gasf_INSTALL_DESTINATION}" ${maybe_INSTALL_PREFIX} |