function(qt_ensure_perl) find_program(HOST_PERL "perl" DOC "Perl binary") if (NOT HOST_PERL) message(FATAL_ERROR "Perl needs to be available to build Qt.") endif() endfunction() function(qt_ensure_sync_qt) qt_ensure_perl() if(DEFINED QT_SYNCQT) return() endif() get_property(QT_SYNCQT GLOBAL PROPERTY _qt_syncqt) if(NOT "${QT_SYNCQT}" STREQUAL "") set(QT_SYNCQT "${QT_SYNCQT}" PARENT_SCOPE) return() endif() # When building qtbase, use the source syncqt, otherwise use the installed one. set(SYNCQT_FROM_SOURCE "${QtBase_SOURCE_DIR}/libexec/syncqt.pl") if(NOT ("${QtBase_SOURCE_DIR}" STREQUAL "") AND EXISTS "${SYNCQT_FROM_SOURCE}") set(syncqt_absolute_path "${SYNCQT_FROM_SOURCE}") message(STATUS "Using source syncqt found at: ${syncqt_absolute_path}") qt_path_join(syncqt_install_dir ${QT_INSTALL_DIR} ${INSTALL_LIBEXECDIR}) qt_copy_or_install(PROGRAMS "${SYNCQT_FROM_SOURCE}" DESTINATION "${syncqt_install_dir}") elseif(NOT "${QT_HOST_PATH}" STREQUAL "") get_filename_component(syncqt_absolute_path "${QT_HOST_PATH}/${QT${PROJECT_VERSION_MAJOR}_HOST_INFO_LIBEXECDIR}/syncqt.pl" ABSOLUTE) message(STATUS "Using host syncqt found at: ${syncqt_absolute_path}") else() get_filename_component(syncqt_absolute_path "${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX}/${INSTALL_LIBEXECDIR}/syncqt.pl" ABSOLUTE) message(STATUS "Using installed syncqt found at: ${syncqt_absolute_path}") endif() set(QT_SYNCQT "${syncqt_absolute_path}" PARENT_SCOPE) set_property(GLOBAL PROPERTY _qt_syncqt "${syncqt_absolute_path}") endfunction() function(qt_install_injections target build_dir install_dir) set(injections ${ARGN}) qt_internal_module_info(module ${target}) get_target_property(target_type ${target} TYPE) if (target_type STREQUAL "INTERFACE_LIBRARY") set(is_framework FALSE) else() get_target_property(is_framework ${target} FRAMEWORK) endif() # examples: # SYNCQT.INJECTIONS = src/corelib/global/qconfig.h:qconfig.h:QtConfig src/corelib/global/qconfig_p.h:5.12.0/QtCore/private/qconfig_p.h # SYNCQT.INJECTIONS = src/gui/vulkan/qvulkanfunctions.h:^qvulkanfunctions.h:QVulkanFunctions:QVulkanDeviceFunctions src/gui/vulkan/qvulkanfunctions_p.h:^5.12.0/QtGui/private/qvulkanfunctions_p.h # The are 3 parts to the assignment, divded by colons ':'. # The first part contains a path to a generated file in a build folder. # The second part contains the file name that the forwarding header should have, which points # to the file in the first part. # The third part contains multiple UpperCaseFileNames that should be forwarding headers to the # header specified in the second part. separate_arguments(injections UNIX_COMMAND "${injections}") foreach(injection ${injections}) string(REPLACE ":" ";" injection ${injection}) # Part 1. list(GET injection 0 file) # Part 2. list(GET injection 1 destination) string(REGEX REPLACE "^\\^" "" destination "${destination}") list(REMOVE_AT injection 0 1) # Part 3. set(fwd_hdrs ${injection}) get_filename_component(destinationdir ${destination} DIRECTORY) get_filename_component(destinationname ${destination} NAME) get_filename_component(original_file_name ${file} NAME) # This describes a concrete example for easier comprehension: # A file 'qtqml-config.h' is generated by qt_internal_feature_write_file into # ${qtdeclarative_build_dir}/src/{module_include_name}/qtqml-config.h (part 1). # # Generate a lower case forwarding header (part 2) 'qtqml-config.h' at the following # location: # ${some_prefix}/include/${module_include_name}/qtqml-config.h. # # Inside this file, we #include the originally generated file, # ${qtdeclarative_build_dir}/src/{module_include_name}/qtqml-config.h. # # ${some_prefix}'s value depends on the build type. # If doing a prefix build, it should point to # ${current_repo_build_dir} which is ${qtdeclarative_build_dir}. # If doing a non-prefix build, it should point to # ${qtbase_build_dir}. # # In the code below, ${some_prefix} == ${build_dir}. set(lower_case_forwarding_header_path "${build_dir}/include/${module_include_name}") if(destinationdir) string(APPEND lower_case_forwarding_header_path "/${destinationdir}") endif() set(current_repo_build_dir "${PROJECT_BINARY_DIR}") file(RELATIVE_PATH relpath "${lower_case_forwarding_header_path}" "${current_repo_build_dir}/${file}") set(main_contents "#include \"${relpath}\"") qt_configure_file(OUTPUT "${lower_case_forwarding_header_path}/${original_file_name}" CONTENT "${main_contents}") if(is_framework) if(file MATCHES "_p\\.h$") set(header_type PRIVATE) else() set(header_type PUBLIC) endif() qt_copy_framework_headers(${target} ${header_type} ${current_repo_build_dir}/${file}) else() # Copy the actual injected (generated) header file (not the just created forwarding one) # to its install location when doing a prefix build. In an non-prefix build, the qt_install # will be a no-op. qt_path_join(install_destination ${install_dir} ${INSTALL_INCLUDEDIR} ${module_include_name} ${destinationdir}) qt_install(FILES ${current_repo_build_dir}/${file} DESTINATION ${install_destination} RENAME ${destinationname} OPTIONAL) endif() # Generate UpperCaseNamed forwarding headers (part 3). foreach(fwd_hdr ${fwd_hdrs}) set(upper_case_forwarding_header_path "include/${module_include_name}") if(destinationdir) string(APPEND upper_case_forwarding_header_path "/${destinationdir}") endif() # Generate upper case forwarding header like QVulkanFunctions or QtConfig. qt_configure_file(OUTPUT "${build_dir}/${upper_case_forwarding_header_path}/${fwd_hdr}" CONTENT "#include \"${destinationname}\"\n") if(is_framework) # Copy the forwarding header to the framework's Headers directory. qt_copy_framework_headers(${target} PUBLIC "${build_dir}/${upper_case_forwarding_header_path}/${fwd_hdr}") else() # Install the forwarding header. qt_path_join(install_destination "${install_dir}" "${INSTALL_INCLUDEDIR}" ${module_include_name}) qt_install(FILES "${build_dir}/${upper_case_forwarding_header_path}/${fwd_hdr}" DESTINATION ${install_destination} OPTIONAL) endif() endforeach() endforeach() endfunction() function(qt_read_headers_pri module_include_dir resultVarPrefix) file(STRINGS "${module_include_dir}/headers.pri" headers_pri_contents) foreach(line ${headers_pri_contents}) if("${line}" MATCHES "SYNCQT.HEADER_FILES = (.*)") set(public_module_headers "${CMAKE_MATCH_1}") separate_arguments(public_module_headers UNIX_COMMAND "${public_module_headers}") elseif("${line}" MATCHES "SYNCQT.PRIVATE_HEADER_FILES = (.*)") set(private_module_headers "${CMAKE_MATCH_1}") separate_arguments(private_module_headers UNIX_COMMAND "${private_module_headers}") elseif("${line}" MATCHES "SYNCQT.GENERATED_HEADER_FILES = (.*)") set(generated_module_headers "${CMAKE_MATCH_1}") separate_arguments(generated_module_headers UNIX_COMMAND "${generated_module_headers}") foreach(generated_header ${generated_module_headers}) list(APPEND public_module_headers "${module_include_dir}/${generated_header}") endforeach() elseif("${line}" MATCHES "SYNCQT.INJECTIONS = (.*)") set(injections "${CMAKE_MATCH_1}") elseif("${line}" MATCHES "SYNCQT.([A-Z_]+)_HEADER_FILES = (.+)") set(prefix "${CMAKE_MATCH_1}") string(TOLOWER "${prefix}" prefix) set(entries "${CMAKE_MATCH_2}") separate_arguments(entries UNIX_COMMAND "${entries}") set("${resultVarPrefix}_${prefix}" "${entries}" PARENT_SCOPE) endif() endforeach() set(${resultVarPrefix}_public "${public_module_headers}" PARENT_SCOPE) set(${resultVarPrefix}_private "${private_module_headers}" PARENT_SCOPE) set(${resultVarPrefix}_injections "${injections}" PARENT_SCOPE) endfunction() function(qt_compute_injection_forwarding_header target) qt_parse_all_arguments(arg "qt_compute_injection_forwarding_header" "PRIVATE" "SOURCE;OUT_VAR" "" ${ARGN}) qt_internal_module_info(module "${target}") get_filename_component(file_name "${arg_SOURCE}" NAME) set(source_absolute_path "${CMAKE_CURRENT_BINARY_DIR}/${arg_SOURCE}") file(RELATIVE_PATH relpath "${PROJECT_BINARY_DIR}" "${source_absolute_path}") if (arg_PRIVATE) set(fwd "${PROJECT_VERSION}/${module_include_name}/private/${file_name}") else() set(fwd "${file_name}") endif() string(APPEND ${arg_OUT_VAR} " ${relpath}:${fwd}") set(${arg_OUT_VAR} ${${arg_OUT_VAR}} PARENT_SCOPE) endfunction()