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Diffstat (limited to 'cmake/QtAutogenHelpers.cmake')
| -rw-r--r-- | cmake/QtAutogenHelpers.cmake | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/cmake/QtAutogenHelpers.cmake b/cmake/QtAutogenHelpers.cmake new file mode 100644 index 0000000000..f028452320 --- /dev/null +++ b/cmake/QtAutogenHelpers.cmake @@ -0,0 +1,142 @@ +# Initial autogen setup for a target to specify certain CMake properties which are common +# to all autogen tools. Also enable AUTOMOC by default. +function(qt_autogen_tools_initial_setup target) + set_property(TARGET "${target}" PROPERTY INTERFACE_QT_MAJOR_VERSION ${PROJECT_VERSION_MAJOR}) + set_property(TARGET "${target}" APPEND PROPERTY COMPATIBLE_INTERFACE_STRING QT_MAJOR_VERSION) + + set_directory_properties(PROPERTIES + QT_VERSION_MAJOR ${PROJECT_VERSION_MAJOR} + QT_VERSION_MINOR ${PROJECT_VERSION_MINOR} + QT_VERSION_PATCH ${PROJECT_VERSION_PATCH} + ) + + qt_enable_autogen_tool(${target} "moc" ON) +endfunction() + +# Enables or disables an autogen tool like moc, uic or rcc on ${target}. +function(qt_enable_autogen_tool target tool enable) + string(TOUPPER "${tool}" captitalAutogenTool) + + get_target_property(tool_enabled ${target} AUTO${captitalAutogenTool}) + get_target_property(autogen_target_depends ${target} AUTOGEN_TARGET_DEPENDS) + + if(NOT autogen_target_depends) + set(autogen_target_depends "") + endif() + set(tool_executable "$<TARGET_FILE:${QT_CMAKE_EXPORT_NAMESPACE}::${tool}>") + set(tool_target_name ${QT_CMAKE_EXPORT_NAMESPACE}::${tool}) + + if(enable) + list(APPEND autogen_target_depends ${tool_target_name}) + else() + list(REMOVE_ITEM autogen_target_depends ${tool_target_name}) + endif() + + # f66c1db16c050c9d685a44a38ad7c5cf9f6fcc96 in qtbase introduced a new macro + # that the moc scanner has to look for. Inform the CMake moc scanner about it. + if(tool STREQUAL "moc" AND enable) + set_target_properties("${target}" PROPERTIES + AUTOMOC_MACRO_NAMES "Q_OBJECT;Q_GADGET;Q_NAMESPACE;Q_NAMESPACE_EXPORT;Q_ENUM_NS") + + if (TARGET Qt::Platform) + get_target_property(_abi_tag Qt::Platform qt_libcpp_abi_tag) + if (_abi_tag) + set_property(TARGET "${target}" APPEND PROPERTY + AUTOMOC_MOC_OPTIONS --libcpp-abi-version "${_abi_tag}" + ) + endif() + endif() + endif() + + set_target_properties("${target}" + PROPERTIES + AUTO${captitalAutogenTool} "${enable}" + AUTO${captitalAutogenTool}_EXECUTABLE "${tool_executable}" + AUTOGEN_TARGET_DEPENDS "${autogen_target_depends}" + ) +endfunction() + +# This function adds or removes additional AUTOGEN tools to a target: AUTOMOC/UIC/RCC +function(qt_autogen_tools target) + qt_parse_all_arguments(arg "qt_autogen_tools" "" "" "${__default_private_args}" ${ARGN}) + + if(arg_ENABLE_AUTOGEN_TOOLS) + foreach(tool ${arg_ENABLE_AUTOGEN_TOOLS}) + qt_enable_autogen_tool(${target} ${tool} ON) + endforeach() + endif() + + if(arg_DISABLE_AUTOGEN_TOOLS) + foreach(tool ${arg_DISABLE_AUTOGEN_TOOLS}) + qt_enable_autogen_tool(${target} ${tool} OFF) + endforeach() + endif() +endfunction() + +# Complete manual moc invocation with full control. +# Use AUTOMOC whenever possible. +function(qt_manual_moc result) + cmake_parse_arguments(arg "" "OUTPUT_MOC_JSON_FILES" "FLAGS" ${ARGN}) + set(moc_files) + set(metatypes_json_list) + foreach(infile ${arg_UNPARSED_ARGUMENTS}) + qt_make_output_file("${infile}" "moc_" ".cpp" + "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_BINARY_DIR}" outfile) + list(APPEND moc_files "${outfile}") + + set(moc_parameters_file "${outfile}_parameters$<$<BOOL:$<CONFIGURATION>>:_$<CONFIGURATION>>") + set(moc_parameters ${arg_FLAGS} -o "${outfile}" "${infile}") + + set(metatypes_byproducts) + if (arg_OUTPUT_MOC_JSON_FILES) + set(moc_json_file "${outfile}.json") + list(APPEND moc_parameters --output-json) + list(APPEND metatypes_json_list "${outfile}.json") + set(metatypes_byproducts "${outfile}.json") + endif() + + if (TARGET Qt::Platform) + get_target_property(_abi_tag Qt::Platform qt_libcpp_abi_tag) + if (_abi_tag) + list(APPEND moc_parameters --libcpp-abi-version "${_abi_tag}") + endif() + endif() + + string (REPLACE ";" "\n" moc_parameters "${moc_parameters}") + + file(GENERATE OUTPUT "${moc_parameters_file}" CONTENT "${moc_parameters}\n") + + add_custom_command(OUTPUT "${outfile}" ${metatypes_byproducts} + COMMAND ${QT_CMAKE_EXPORT_NAMESPACE}::moc "@${moc_parameters_file}" + DEPENDS "${infile}" ${moc_depends} ${QT_CMAKE_EXPORT_NAMESPACE}::moc + WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" VERBATIM) + endforeach() + set("${result}" ${moc_files} PARENT_SCOPE) + + # Register generated json files + if (arg_OUTPUT_MOC_JSON_FILES) + set(${arg_OUTPUT_MOC_JSON_FILES} "${metatypes_json_list}" PARENT_SCOPE) + endif() +endfunction() + +# From Qt6CoreMacros +# Function used to create the names of output files preserving relative dirs +function(qt_make_output_file infile prefix suffix source_dir binary_dir result) + get_filename_component(outfilename "${infile}" NAME_WE) + + set(base_dir "${source_dir}") + string(FIND "${infile}" "${binary_dir}/" in_binary) + if (in_binary EQUAL 0) + set(base_dir "${binary_dir}") + endif() + + get_filename_component(abs_infile "${infile}" ABSOLUTE BASE_DIR "${base_dir}") + file(RELATIVE_PATH rel_infile "${base_dir}" "${abs_infile}") + string(REPLACE "../" "__/" mapped_infile "${rel_infile}") + + get_filename_component(abs_mapped_infile "${mapped_infile}" ABSOLUTE BASE_DIR "${binary_dir}") + get_filename_component(outpath "${abs_mapped_infile}" PATH) + + file(MAKE_DIRECTORY "${outpath}") + set("${result}" "${outpath}/${prefix}${outfilename}${suffix}" PARENT_SCOPE) +endfunction() |