function(qt_internal_write_depends_file target) set(module Qt${target}) set(outfile "${QT_BUILD_DIR}/include/${module}/${module}Depends") message("Generate ${outfile}...") set(contents "/* This file was generated by cmake with the info from ${module} target. */\n") string(APPEND contents "#ifdef __cplusplus /* create empty PCH in C mode */\n") foreach (m ${ARGN}) string(APPEND contents "# include \n") endforeach() string(APPEND contents "#endif\n") file(GENERATE OUTPUT "${outfile}" CONTENT "${contents}") endfunction() function(qt_internal_create_depends_files) message("Generating depends files for ${QT_KNOWN_MODULES}...") foreach (target ${QT_KNOWN_MODULES}) get_target_property(depends "${target}" LINK_LIBRARIES) get_target_property(public_depends "${target}" INTERFACE_LINK_LIBRARIES) get_target_property(target_deps "${target}" _qt_target_deps) set(target_deps_seen "") set(qtdeps "") set(third_party_deps "") set(third_party_deps_seen "") set(tool_deps "") set(tool_deps_seen "") foreach (dep ${depends}) # Normalize module by stripping leading "Qt::" and trailing "Private" if (dep MATCHES "Qt::(.*)") set(dep "${CMAKE_MATCH_1}") endif() if (dep MATCHES "(.*)Private") set(dep "${CMAKE_MATCH_1}") endif() list(FIND QT_KNOWN_MODULES "${dep}" _pos) if (_pos GREATER -1) list(APPEND qtdeps "${dep}") # Make the ModuleTool package depend on dep's ModuleTool package. list(FIND tool_deps_seen ${dep} dep_seen) if(dep_seen EQUAL -1 AND ${dep} IN_LIST QT_KNOWN_MODULES_WITH_TOOLS) list(APPEND tool_deps_seen ${dep}) list(APPEND tool_deps "${INSTALL_CMAKE_NAMESPACE}${dep}Tools\;${PROJECT_VERSION}") endif() endif() endforeach() # If we are doing a non-static Qt build, we only want to propagate public dependencies. # If we are doing a static Qt build, we need to propagate all dependencies. set(depends_var "public_depends") if(NOT QT_BUILD_SHARED_LIBS) set(depends_var "depends") endif() foreach(dep ${${depends_var}}) # Gather third party packages that should be found when using the Qt module. # Also handle nolink target dependencies. string(REGEX REPLACE "_nolink$" "" base_dep "${dep}") if(NOT base_dep STREQUAL dep) # Resets target name like Vulkan_nolink to Vulkan, because we need to call # find_package(Vulkan). set(dep ${base_dep}) endif() if(TARGET ${dep}) list(FIND third_party_deps_seen ${dep} dep_seen) get_target_property(package_name ${dep} INTERFACE_QT_PACKAGE_NAME) if(dep_seen EQUAL -1 AND package_name) list(APPEND third_party_deps_seen ${dep}) get_target_property(package_version ${dep} INTERFACE_QT_PACKAGE_VERSION) if(NOT package_version) set(package_version "") endif() get_target_property(package_components ${dep} INTERFACE_QT_PACKAGE_COMPONENTS) if(NOT package_components) set(package_components "") endif() list(APPEND third_party_deps "${package_name}\;${package_version}\;${package_components}") endif() endif() endforeach() # Add dependency to the main ModuleTool package to ModuleDependencies file. if(${target} IN_LIST QT_KNOWN_MODULES_WITH_TOOLS) set(main_module_tool_deps "${INSTALL_CMAKE_NAMESPACE}${target}Tools\;${PROJECT_VERSION}") endif() # Dirty hack because https://gitlab.kitware.com/cmake/cmake/issues/19200 foreach(dep ${target_deps}) if(dep) list(FIND target_deps_seen "${dep}" dep_seen) if(dep_seen EQUAL -1) list(LENGTH dep len) if(NOT (len EQUAL 2)) message(FATAL_ERROR "List '${dep}' should look like QtFoo;version") endif() list(GET dep 0 dep_name) list(GET dep 1 dep_ver) list(APPEND target_deps_seen "${dep_name}\;${dep_ver}") endif() endif() endforeach() set(target_deps "${target_deps_seen}") if (DEFINED qtdeps) list(REMOVE_DUPLICATES qtdeps) endif() get_target_property(hasModuleHeaders "${target}" MODULE_HAS_HEADERS) if (${hasModuleHeaders}) qt_internal_write_depends_file("${target}" ${qtdeps}) endif() if(third_party_deps OR main_module_tool_deps OR target_deps) set(path_suffix "${INSTALL_CMAKE_NAMESPACE}${target}") qt_path_join(config_build_dir ${QT_CONFIG_BUILD_DIR} ${path_suffix}) qt_path_join(config_install_dir ${QT_CONFIG_INSTALL_DIR} ${path_suffix}) # Configure and install ModuleDependencies file. configure_file( "${QT_CMAKE_DIR}/QtModuleDependencies.cmake.in" "${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}Dependencies.cmake" @ONLY ) qt_install(FILES "${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}Dependencies.cmake" DESTINATION "${config_install_dir}" COMPONENT Devel ) endif() if(tool_deps) set(path_suffix "${INSTALL_CMAKE_NAMESPACE}${target}Tools") qt_path_join(config_build_dir ${QT_CONFIG_BUILD_DIR} ${path_suffix}) qt_path_join(config_install_dir ${QT_CONFIG_INSTALL_DIR} ${path_suffix}) # Configure and install ModuleToolDependencies file. configure_file( "${QT_CMAKE_DIR}/QtModuleToolsDependencies.cmake.in" "${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}ToolsDependencies.cmake" @ONLY ) qt_install(FILES "${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}ToolsDependencies.cmake" DESTINATION "${config_install_dir}" COMPONENT Devel ) endif() endforeach() endfunction() function(qt_generate_build_internals_extra_cmake_code) if(PROJECT_NAME STREQUAL "QtBase") # Propagate common variables via BuildInternals package. string(APPEND QT_BUILD_INTERNALS_EXTRA_CMAKE_CODE "set(QT_BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS})") string(APPEND QT_BUILD_INTERNALS_EXTRA_CMAKE_CODE " option(BUILD_SHARED_LIBS \"Build Qt statically or dynamically\" ${BUILD_SHARED_LIBS})") string(APPEND QT_BUILD_INTERNALS_EXTRA_CMAKE_CODE " set(QT_CMAKE_EXPORT_NAMESPACE ${QT_CMAKE_EXPORT_NAMESPACE})") string(APPEND QT_BUILD_INTERNALS_EXTRA_CMAKE_CODE " set(QT_BUILD_INTERNALS_PATH \"\${CMAKE_CURRENT_LIST_DIR}\")") # Propagate the original install prefix, so that a developer building a child module can # specify CMAKE_PREFIX_PATH for finding the Qt modules instead of CMAKE_INSTALL_PREFIX. string(APPEND QT_BUILD_INTERNALS_EXTRA_CMAKE_CODE " set(CMAKE_INSTALL_PREFIX ${CMAKE_INSTALL_PREFIX} CACHE PATH \"Install path prefix, prepended onto install directories.\" FORCE)") # Propagate developer builds to other modules via BuildInternals package. if(FEATURE_developer_build) string(APPEND QT_BUILD_INTERNALS_EXTRA_CMAKE_CODE " set(FEATURE_developer_build ON CACHE BOOL \"Developer build.\" FORCE)") endif() qt_path_join(extra_file_path ${QT_CONFIG_BUILD_DIR} ${INSTALL_CMAKE_NAMESPACE}BuildInternals/QtBuildInternalsExtra.cmake) file(GENERATE OUTPUT "${extra_file_path}" CONTENT "${QT_BUILD_INTERNALS_EXTRA_CMAKE_CODE}") endif() endfunction() qt_internal_create_depends_files() qt_generate_build_internals_extra_cmake_code()