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qt5base-lts/cmake/QtPostProcessHelpers.cmake
Alexandru Croitor dd1030a450 CMake: Record used package version for each target dependency 
When recording which package version to look for in
QtFooModuleDependencies.cmake and other files like it,
instead of using PROJECT_VERSION, use the version of the
package that contains the dependency.

For example if we're hypothetically building the qtdeclarative repo
from the 6.4 branch, against an installed 6.2 qtbase, then
the Qt6QmlModuleDependencies.cmake file will have a
find_package(Qt6Core 6.2) call because qtdeclarative's
find_package(Qt6Core) call found a 6.2 Core when it was configured.

This allows switching the versioning scheme of specific Qt modules
that might not want to follow the general Qt versioning scheme.

The first candidate would be QtWebEngine which might want to
follow the Chromium versioning scheme, something like
Qt 6.94.0 where 94 is the Chromium major version.

Implementation notes.
We now record the package version of a target in a property
called _qt_package_version. We do it for qt modules, plugins,
3rd party libraries, tools and the Platform target.

When we try to look up which version to write into the
QtFooModuleDependencies.cmake file (or the equivalent Plugins and
Tools file), we try to find the version
from a few sources: the property mentioned above, then the
Qt6{target}_VERSION variable, and finally PROJECT_VERSION.
In the latter case, we issue a warning because technically that should
never have to happen, and it's a bug or an unforeseen case if it does.

A few more places also need adjustments:
 - package versions to look for when configuring standalone
   tests and generating standalone tests Config files
 - handling of tools packages
 - The main Qt6 package lookup in each Dependencies.cmake files

Note that there are some requirements and consequences in case a
module wants to use a different versioning scheme like 6.94.0.

Requirements.
 - The root CMakeLists.txt file needs to call find_package with a
   version different from the usual PROJECT_VERSION. Ideally it
   should look for a few different Qt versions which are known to be
   compatible, for example the last stable and LTS versions, or just
   the lowest supported Qt version, e.g. 6.2.6 or whenever this change
   would land in the 6.2 branch.
 - If the repository has multiple modules, some of which need to
   follow the Qt versioning scheme and some not,
   project(VERSION x.y.z) calls need to be carefully placed in
   subdirectory scopes with appropriate version numbers, so that
   qt_internal_add_module / _tool / _plugin pick up the correct
   version.

Consequences.
 - The .so / .dylib names will contain the new version, e.g. .so.6.94
 - Linux ELF symbols will contain the new versions
 - syncqt private headers will now exist under a
   include/QtFoo/6.94.0/QtFoo/private folder
 - pri and prl files will also contain the new version numbers
 - pkg-config .pc files contain the new version numbers
 - It won't be possible to write
   find_package(Qt6 6.94 COMPONENTS WebEngineWidgets) in user code.
   One would have to write find_package(Qt6WebEngineWidgets 6.94)
   otherwise CMake will try to look for Qt6Config 6.94 which won't
   exist.
 - Similarly, a
   find_package(Qt6 6.4 COMPONENTS Widgets WebEngineWidgets) call
   would always find any kind of WebEngine package that is higher than
   6.4, which might be 6.94, 6.95, etc.
 - In the future, if we fix Qt6Config to pass EXACT to its
   subcomponent find_package calls,
   a find_package(Qt6 6.5.0 EXACT COMPONENTS Widgets WebEngineWidgets)
   would fail to find WebEngineWidgets, because its 6.94.0 version
   will not be equal to 6.5.0. Currently we don't pass through EXACT,
   so it's not an issue.

Augments 5ffc744b79

Task-number: QTBUG-103500
Change-Id: I8bdb56bfcbc7f7f6484d1e56651ffc993fd30bab
Reviewed-by: Michal Klocek <michal.klocek@qt.io>
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-07-01 10:50:57 +02:00

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function(qt_internal_write_depends_file target module_include_name)
set(outfile "${QT_BUILD_DIR}/include/${module_include_name}/${module_include_name}Depends")
set(contents "/* This file was generated by cmake with the info from ${target} target. */\n")
string(APPEND contents "#ifdef __cplusplus /* create empty PCH in C mode */\n")
foreach (m ${ARGN})
string(APPEND contents "# include <${m}/${m}>\n")
endforeach()
string(APPEND contents "#endif\n")
file(GENERATE OUTPUT "${outfile}" CONTENT "${contents}")
endfunction()
macro(qt_collect_third_party_deps target)
set(_target_is_static OFF)
get_target_property(_target_type ${target} TYPE)
if (${_target_type} STREQUAL "STATIC_LIBRARY")
set(_target_is_static ON)
endif()
unset(_target_type)
# 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(_target_is_static)
set(depends_var "depends")
endif()
unset(_target_is_static)
foreach(dep ${${depends_var}} ${optional_public_depends} ${extra_third_party_deps})
# Gather third party packages that should be found when using the Qt module.
# Also handle nolink target dependencies.
string(REGEX REPLACE "_nolink$" "" 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 ${base_dep})
endif()
# Strip any directory scope tokens.
__qt_internal_strip_target_directory_scope_token("${dep}" dep)
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_is_optional ${dep} INTERFACE_QT_PACKAGE_IS_OPTIONAL)
if(NOT package_is_optional AND dep IN_LIST optional_public_depends)
set(package_is_optional TRUE)
endif()
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()
get_target_property(package_optional_components ${dep}
INTERFACE_QT_PACKAGE_OPTIONAL_COMPONENTS)
if(NOT package_optional_components)
set(package_optional_components "")
endif()
list(APPEND third_party_deps
"${package_name}\;${package_is_optional}\;${package_version}\;${package_components}\;${package_optional_components}")
endif()
endif()
endforeach()
endmacro()
# Filter the dependency targets to collect unique set of the dependencies.
# non-Private and Private targets are treated as the single object in this context
# since they are defined by the same CMake package. For internal modules
# the CMake package will be always Private.
function(qt_internal_remove_qt_dependency_duplicates out_deps deps)
set(${out_deps} "")
foreach(dep ${deps})
if(dep)
list(FIND ${out_deps} "${dep}" dep_seen)
# If the library depends on the Private and non-Private targets,
# we only need to 'find_dependency' for one of them.
if(dep_seen EQUAL -1 AND "${dep}" MATCHES "(.+)Private\;(.+)")
list(FIND ${out_deps} "${CMAKE_MATCH_1};${CMAKE_MATCH_2}" dep_seen)
endif()
if(dep_seen EQUAL -1)
list(LENGTH dep len)
if(NOT (len EQUAL 2))
message(FATAL_ERROR "List '${dep}' should look like QtFoo;version")
endif()
list(GET dep 0 dep_name)
list(GET dep 1 dep_ver)
# Skip over Qt6 dependency, because we will manually handle it in the Dependencies
# file before everything else, to ensure that find_package(Qt6Core)-style works.
if(dep_name STREQUAL "${INSTALL_CMAKE_NAMESPACE}")
continue()
endif()
list(APPEND ${out_deps} "${dep_name}\;${dep_ver}")
endif()
endif()
endforeach()
set(${out_deps} "${${out_deps}}" PARENT_SCOPE)
endfunction()
function(qt_internal_create_module_depends_file target)
get_target_property(target_type "${target}" TYPE)
if(target_type STREQUAL "INTERFACE_LIBRARY")
set(arg_HEADER_MODULE ON)
else()
set(arg_HEADER_MODULE OFF)
endif()
set(depends "")
if(target_type STREQUAL "STATIC_LIBRARY" AND NOT arg_HEADER_MODULE)
get_target_property(depends "${target}" LINK_LIBRARIES)
endif()
get_target_property(public_depends "${target}" INTERFACE_LINK_LIBRARIES)
unset(optional_public_depends)
if(TARGET "${target}Private")
get_target_property(optional_public_depends "${target}Private" INTERFACE_LINK_LIBRARIES)
endif()
# Used for collecting Qt module dependencies that should be find_package()'d in
# ModuleDependencies.cmake.
get_target_property(target_deps "${target}" _qt_target_deps)
set(target_deps_seen "")
set(qt_module_dependencies "")
if(NOT arg_HEADER_MODULE)
get_target_property(extra_depends "${target}" QT_EXTRA_PACKAGE_DEPENDENCIES)
endif()
if(NOT extra_depends MATCHES "-NOTFOUND$")
list(APPEND target_deps "${extra_depends}")
endif()
# Extra 3rd party targets who's packages should be considered dependencies.
get_target_property(extra_third_party_deps "${target}" _qt_extra_third_party_dep_targets)
if(NOT extra_third_party_deps)
set(extra_third_party_deps "")
endif()
# Used for assembling the content of an include/Module/ModuleDepends.h header.
set(qtdeps "")
# Used for collecting third party dependencies that should be find_package()'d in
# ModuleDependencies.cmake.
set(third_party_deps "")
set(third_party_deps_seen "")
# Used for collecting Qt tool dependencies that should be find_package()'d in
# ModuleToolsDependencies.cmake.
set(tool_deps "")
set(tool_deps_seen "")
# Used for collecting Qt tool dependencies that should be find_package()'d in
# ModuleDependencies.cmake.
set(main_module_tool_deps "")
# Extra QtFooModuleTools packages to be added as dependencies to
# QtModuleDependencies.cmake. Needed for QtWaylandCompositor / QtWaylandClient.
if(NOT arg_HEADER_MODULE)
get_target_property(extra_tools_package_dependencies "${target}"
QT_EXTRA_TOOLS_PACKAGE_DEPENDENCIES)
if(extra_tools_package_dependencies)
list(APPEND main_module_tool_deps "${extra_tools_package_dependencies}")
endif()
endif()
qt_internal_get_qt_all_known_modules(known_modules)
set(all_depends ${depends} ${public_depends})
foreach (dep ${all_depends})
# Normalize module by stripping leading "Qt::" and trailing "Private"
if (dep MATCHES "(Qt|${QT_CMAKE_EXPORT_NAMESPACE})::([-_A-Za-z0-9]+)")
set(dep "${CMAKE_MATCH_2}")
set(real_dep_target "Qt::${dep}")
if(TARGET "${real_dep_target}")
get_target_property(is_versionless_target "${real_dep_target}"
_qt_is_versionless_target)
if(is_versionless_target)
set(real_dep_target "${QT_CMAKE_EXPORT_NAMESPACE}::${dep}")
endif()
get_target_property(skip_module_depends_include "${real_dep_target}"
_qt_module_skip_depends_include)
if(skip_module_depends_include)
continue()
endif()
get_target_property(module_has_headers "${real_dep_target}"
_qt_module_has_headers)
if(NOT module_has_headers)
continue()
endif()
endif()
endif()
list(FIND known_modules "${dep}" _pos)
if (_pos GREATER -1)
qt_internal_module_info(module ${QT_CMAKE_EXPORT_NAMESPACE}::${dep})
list(APPEND qtdeps ${module})
# Make the ModuleTool package depend on dep's ModuleTool package.
list(FIND tool_deps_seen ${dep} dep_seen)
if(dep_seen EQUAL -1 AND ${dep} IN_LIST QT_KNOWN_MODULES_WITH_TOOLS)
qt_internal_get_package_version_of_target("${dep}" dep_package_version)
list(APPEND tool_deps_seen ${dep})
list(APPEND tool_deps
"${INSTALL_CMAKE_NAMESPACE}${dep}Tools\;${dep_package_version}")
endif()
endif()
endforeach()
qt_collect_third_party_deps(${target})
# Add dependency to the main ModuleTool package to ModuleDependencies file.
if(${target} IN_LIST QT_KNOWN_MODULES_WITH_TOOLS)
qt_internal_get_package_version_of_target("${target}" main_module_tool_package_version)
list(APPEND main_module_tool_deps
"${INSTALL_CMAKE_NAMESPACE}${target}Tools\;${main_module_tool_package_version}")
endif()
foreach(dep ${target_deps})
if(NOT dep MATCHES ".+Private$" AND
dep MATCHES "${INSTALL_CMAKE_NAMESPACE}(.+)")
# target_deps contains elements that are a pair of target name and version,
# e.g. 'Core\;6.2'
# After the extracting from the target_deps list, the element becomes a list itself,
# because it loses escape symbol before the semicolon, so ${CMAKE_MATCH_1} is the list:
# Core;6.2.
# We need to store only the target name in the qt_module_dependencies variable.
list(GET CMAKE_MATCH_1 0 dep_name)
if(dep_name)
list(APPEND qt_module_dependencies "${dep_name}")
endif()
endif()
endforeach()
list(REMOVE_DUPLICATES qt_module_dependencies)
qt_internal_remove_qt_dependency_duplicates(target_deps "${target_deps}")
if (DEFINED qtdeps)
list(REMOVE_DUPLICATES qtdeps)
endif()
get_target_property(hasModuleHeaders "${target}" _qt_module_has_headers)
if (${hasModuleHeaders})
get_target_property(module_include_name "${target}" _qt_module_include_name)
qt_internal_write_depends_file(${target} ${module_include_name} ${qtdeps})
endif()
if(third_party_deps OR main_module_tool_deps OR target_deps)
set(path_suffix "${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} ${path_suffix})
# All module packages should look for the Qt6 package version that qtbase was originally
# built as.
qt_internal_get_package_version_of_target(Platform main_qt_package_version)
# Configure and install ModuleDependencies file.
configure_file(
"${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
)
message(TRACE "Recorded dependencies for module: ${target}\n"
" Qt dependencies: ${target_deps}\n"
" 3rd-party dependencies: ${third_party_deps}")
endif()
if(tool_deps)
# The value of the property will be used by qt_export_tools.
set_property(TARGET "${target}" PROPERTY _qt_tools_package_deps "${tool_deps}")
endif()
endfunction()
function(qt_internal_create_plugin_depends_file target)
get_target_property(plugin_install_package_suffix "${target}" _qt_plugin_install_package_suffix)
get_target_property(depends "${target}" LINK_LIBRARIES)
get_target_property(public_depends "${target}" INTERFACE_LINK_LIBRARIES)
get_target_property(target_deps "${target}" _qt_target_deps)
unset(optional_public_depends)
set(target_deps_seen "")
qt_collect_third_party_deps(${target})
qt_internal_remove_qt_dependency_duplicates(target_deps "${target_deps}")
if(third_party_deps OR target_deps)
# Setup build and install paths
# Plugins should look for their dependencies in their associated module package folder as
# well as the Qt6 package folder which is stored by the Qt6 package in _qt_cmake_dir.
set(find_dependency_paths "\${CMAKE_CURRENT_LIST_DIR}/..;\${_qt_cmake_dir}")
if(plugin_install_package_suffix)
set(path_suffix "${INSTALL_CMAKE_NAMESPACE}${plugin_install_package_suffix}")
if(plugin_install_package_suffix MATCHES "/QmlPlugins")
# Qml plugins are one folder deeper.
set(find_dependency_paths "\${CMAKE_CURRENT_LIST_DIR}/../..;\${_qt_cmake_dir}")
endif()
else()
set(path_suffix "${INSTALL_CMAKE_NAMESPACE}${target}")
endif()
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}/QtPluginDependencies.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
)
message(TRACE "Recorded dependencies for plugin: ${target}\n"
" Qt dependencies: ${target_deps}\n"
" 3rd-party dependencies: ${third_party_deps}")
endif()
endfunction()
function(qt_internal_create_qt6_dependencies_file)
# This is used for substitution in the configured file.
set(target "${INSTALL_CMAKE_NAMESPACE}")
# This is the actual target we're querying.
set(actual_target Platform)
get_target_property(public_depends "${actual_target}" INTERFACE_LINK_LIBRARIES)
unset(depends)
unset(optional_public_depends)
# We need to collect third party deps that are set on the public Platform target,
# like Threads::Threads.
# This mimics find_package part of the CONFIG += thread assignment in mkspecs/features/qt.prf.
qt_collect_third_party_deps(${actual_target})
# For Threads we also need to write an extra variable assignment.
set(third_party_extra "")
if(third_party_deps MATCHES "Threads")
string(APPEND third_party_extra "if(NOT QT_NO_THREADS_PREFER_PTHREAD_FLAG)
set(THREADS_PREFER_PTHREAD_FLAG TRUE)
endif()")
endif()
if(third_party_deps)
# Setup build and install paths.
set(path_suffix "${INSTALL_CMAKE_NAMESPACE}")
qt_path_join(config_build_dir ${QT_CONFIG_BUILD_DIR} ${path_suffix})
qt_path_join(config_install_dir ${QT_CONFIG_INSTALL_DIR} ${path_suffix})
# Configure and install QtDependencies file.
configure_file(
"${QT_CMAKE_DIR}/QtConfigDependencies.cmake.in"
"${config_build_dir}/${target}Dependencies.cmake"
@ONLY
)
qt_install(FILES
"${config_build_dir}/${target}Dependencies.cmake"
DESTINATION "${config_install_dir}"
COMPONENT Devel
)
endif()
endfunction()
# Create Depends.cmake & Depends.h files for all modules and plug-ins.
function(qt_internal_create_depends_files)
qt_internal_get_qt_repo_known_modules(repo_known_modules)
if(PROJECT_NAME STREQUAL "QtBase")
qt_internal_create_qt6_dependencies_file()
endif()
foreach (target ${repo_known_modules})
qt_internal_create_module_depends_file(${target})
endforeach()
foreach (target ${QT_KNOWN_PLUGINS})
qt_internal_create_plugin_depends_file(${target})
endforeach()
endfunction()
# This function creates the Qt<Module>Plugins.cmake used to list all
# the plug-in target files.
function(qt_internal_create_plugins_files)
# The plugins cmake configuration is only needed for static builds. Dynamic builds don't need
# the application to link against plugins at build time.
if(QT_BUILD_SHARED_LIBS)
return()
endif()
qt_internal_get_qt_repo_known_modules(repo_known_modules)
message("Generating Plugins files for ${repo_known_modules}...")
foreach (QT_MODULE ${repo_known_modules})
get_target_property(target_type "${QT_MODULE}" TYPE)
if(target_type STREQUAL "INTERFACE_LIBRARY")
# No plugins are provided by a header only module.
continue()
endif()
qt_path_join(config_build_dir ${QT_CONFIG_BUILD_DIR} ${INSTALL_CMAKE_NAMESPACE}${QT_MODULE})
qt_path_join(config_install_dir ${QT_CONFIG_INSTALL_DIR} ${INSTALL_CMAKE_NAMESPACE}${QT_MODULE})
set(QT_MODULE_PLUGIN_INCLUDES "")
if(QT_MODULE STREQUAL "Qml")
set(QT_MODULE_PLUGIN_INCLUDES "${QT_MODULE_PLUGIN_INCLUDES}
# Qml plugin targets might have dependencies on other qml plugin targets, but the Targets.cmake
# files are included in the order that file(GLOB) returns, which means certain targets that are
# referenced might not have been created yet, and \${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE
# might be set to a message saying those targets don't exist.
#
# Postpone checking of which targets don't exist until all Qml PluginConfig.cmake files have been
# included, by including all the files one more time and checking for errors at each step.
#
# TODO: Find a better way to deal with this, perhaps by using find_package() instead of include
# for the Qml PluginConfig.cmake files.
file(GLOB __qt_qml_plugins_config_file_list \"\${CMAKE_CURRENT_LIST_DIR}/QmlPlugins/${INSTALL_CMAKE_NAMESPACE}*Config.cmake\")
if (__qt_qml_plugins_config_file_list AND NOT QT_SKIP_AUTO_QML_PLUGIN_INCLUSION)
# First round of inclusions ensure all qml plugin targets are brought into scope.
foreach(__qt_qml_plugin_config_file \${__qt_qml_plugins_config_file_list})
include(\${__qt_qml_plugin_config_file})
# Temporarily unset any failure markers.
unset(\${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE)
unset(\${CMAKE_FIND_PACKAGE_NAME}_FOUND)
endforeach()
# For the second round of inclusions, check and bail out early if there are errors.
foreach(__qt_qml_plugin_config_file \${__qt_qml_plugins_config_file_list})
include(\${__qt_qml_plugin_config_file})
if(\${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE)
string(APPEND \${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE
\"\nThe message was set in \${__qt_qml_plugin_config_file} \")
set(\${CMAKE_FIND_PACKAGE_NAME}_FOUND FALSE)
return()
endif()
endforeach()
endif()")
endif()
get_target_property(qt_plugins "${QT_MODULE}" QT_PLUGINS)
if(qt_plugins OR QT_MODULE_PLUGIN_INCLUDES)
configure_file(
"${QT_CMAKE_DIR}/QtPlugins.cmake.in"
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${QT_MODULE}Plugins.cmake"
@ONLY
)
qt_install(FILES
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${QT_MODULE}Plugins.cmake"
DESTINATION "${config_install_dir}"
COMPONENT Devel
)
endif()
endforeach()
endfunction()
function(qt_generate_install_prefixes out_var)
set(content "\n")
set(vars INSTALL_BINDIR INSTALL_INCLUDEDIR INSTALL_LIBDIR INSTALL_MKSPECSDIR INSTALL_ARCHDATADIR
INSTALL_PLUGINSDIR INSTALL_LIBEXECDIR INSTALL_QMLDIR INSTALL_DATADIR INSTALL_DOCDIR
INSTALL_TRANSLATIONSDIR INSTALL_SYSCONFDIR INSTALL_EXAMPLESDIR INSTALL_TESTSDIR
INSTALL_DESCRIPTIONSDIR)
foreach(var ${vars})
get_property(docstring CACHE "${var}" PROPERTY HELPSTRING)
string(APPEND content "set(${var} \"${${var}}\" CACHE STRING \"${docstring}\" FORCE)\n")
endforeach()
set(${out_var} "${content}" PARENT_SCOPE)
endfunction()
function(qt_wrap_string_in_if_multi_config content out_var)
set(${out_var} "
get_property(__qt_is_multi_config GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(__qt_is_multi_config)
${content}endif()
unset(__qt_is_multi_config)\n" PARENT_SCOPE)
endfunction()
function(qt_wrap_string_in_if_ninja_multi_config content out_var)
set(${out_var} "if(CMAKE_GENERATOR STREQUAL \"Ninja Multi-Config\")
${content}endif()\n" PARENT_SCOPE)
endfunction()
function(qt_create_hostinfo_package)
set(package "${INSTALL_CMAKE_NAMESPACE}HostInfo")
qt_path_join(config_file_path "${QT_CONFIG_BUILD_DIR}/${package}/${package}Config.cmake")
qt_path_join(install_destination ${QT_CONFIG_INSTALL_DIR} ${package})
set(var_prefix "QT${PROJECT_VERSION_MAJOR}_HOST_INFO_")
configure_package_config_file(
"${CMAKE_CURRENT_LIST_DIR}/QtHostInfoConfig.cmake.in"
"${config_file_path}"
INSTALL_DESTINATION "${install_destination}"
NO_SET_AND_CHECK_MACRO
NO_CHECK_REQUIRED_COMPONENTS_MACRO)
qt_install(FILES "${config_file_path}" DESTINATION "${install_destination}")
endfunction()
function(qt_generate_build_internals_extra_cmake_code)
if(PROJECT_NAME STREQUAL "QtBase")
qt_create_hostinfo_package()
foreach(var IN LISTS QT_BASE_CONFIGURE_TESTS_VARS_TO_EXPORT)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS "set(${var} \"${${var}}\" CACHE INTERNAL \"\")\n")
endforeach()
set(QT_SOURCE_TREE "${QtBase_SOURCE_DIR}")
qt_path_join(extra_file_path
${QT_CONFIG_BUILD_DIR}
${INSTALL_CMAKE_NAMESPACE}BuildInternals/QtBuildInternalsExtra.cmake)
if(CMAKE_BUILD_TYPE)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"
set(__qt_internal_initial_qt_cmake_build_type \"${CMAKE_BUILD_TYPE}\")
qt_internal_force_set_cmake_build_type_conditionally(
\"\${__qt_internal_initial_qt_cmake_build_type}\")
")
endif()
if(CMAKE_CONFIGURATION_TYPES)
string(APPEND multi_config_specific
" set(CMAKE_CONFIGURATION_TYPES \"${CMAKE_CONFIGURATION_TYPES}\" CACHE STRING \"\" FORCE)\n")
endif()
if(CMAKE_TRY_COMPILE_CONFIGURATION)
string(APPEND multi_config_specific
" set(CMAKE_TRY_COMPILE_CONFIGURATION \"${CMAKE_TRY_COMPILE_CONFIGURATION}\")\n")
endif()
if(multi_config_specific)
qt_wrap_string_in_if_multi_config(
"${multi_config_specific}"
multi_config_specific)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS "${multi_config_specific}")
endif()
if(QT_MULTI_CONFIG_FIRST_CONFIG)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"\nset(QT_MULTI_CONFIG_FIRST_CONFIG \"${QT_MULTI_CONFIG_FIRST_CONFIG}\")\n")
endif()
# When building standalone tests against a multi-config Qt, we want to choose the first
# configuration, rather than use CMake's default value.
# In the case of Windows, we definitely don't it to default to Debug, because that causes
# issues in the CI.
if(multi_config_specific)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS "
if(QT_BUILD_STANDALONE_TESTS)
qt_internal_force_set_cmake_build_type_conditionally(
\"\${QT_MULTI_CONFIG_FIRST_CONFIG}\")
endif()\n")
endif()
if(CMAKE_CROSS_CONFIGS)
string(APPEND ninja_multi_config_specific
" set(CMAKE_CROSS_CONFIGS \"${CMAKE_CROSS_CONFIGS}\" CACHE STRING \"\")\n")
endif()
if(CMAKE_DEFAULT_BUILD_TYPE)
string(APPEND ninja_multi_config_specific
" set(CMAKE_DEFAULT_BUILD_TYPE \"${CMAKE_DEFAULT_BUILD_TYPE}\" CACHE STRING \"\")\n")
endif()
if(CMAKE_DEFAULT_CONFIGS)
string(APPEND ninja_multi_config_specific
" set(CMAKE_DEFAULT_CONFIGS \"${CMAKE_DEFAULT_CONFIGS}\" CACHE STRING \"\")\n")
endif()
if(ninja_multi_config_specific)
qt_wrap_string_in_if_ninja_multi_config(
"${ninja_multi_config_specific}"
ninja_multi_config_specific)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS "${ninja_multi_config_specific}")
endif()
if(DEFINED BUILD_WITH_PCH)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"set(BUILD_WITH_PCH \"${BUILD_WITH_PCH}\" CACHE STRING \"\")\n")
endif()
if(DEFINED QT_IS_MACOS_UNIVERSAL)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"set(QT_IS_MACOS_UNIVERSAL \"${QT_IS_MACOS_UNIVERSAL}\" CACHE BOOL \"\")\n")
endif()
if(DEFINED QT_UIKIT_SDK)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"set(QT_UIKIT_SDK \"${QT_UIKIT_SDK}\" CACHE BOOL \"\")\n")
endif()
if(QT_FORCE_FIND_TOOLS)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"set(QT_FORCE_FIND_TOOLS \"TRUE\" CACHE BOOL \"\" FORCE)\n")
endif()
if(QT_FORCE_BUILD_TOOLS)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"set(QT_FORCE_BUILD_TOOLS \"TRUE\" CACHE BOOL \"\" FORCE)\n")
endif()
if(QT_INTERNAL_EXAMPLES_INSTALL_PREFIX)
file(TO_CMAKE_PATH
"${QT_INTERNAL_EXAMPLES_INSTALL_PREFIX}" examples_install_prefix)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"set(QT_INTERNAL_EXAMPLES_INSTALL_PREFIX \"${examples_install_prefix}\" CACHE STRING \"\")\n")
endif()
# Save the default qpa platform.
# Used by qtwayland/src/plugins/platforms/qwayland-generic/CMakeLists.txt. Otherwise
# the DEFAULT_IF condition is evaluated incorrectly.
if(DEFINED QT_QPA_DEFAULT_PLATFORM)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"set(QT_QPA_DEFAULT_PLATFORM \"${QT_QPA_DEFAULT_PLATFORM}\" CACHE STRING \"\")\n")
endif()
# Save minimum and policy-related CMake versions to ensure the same minimum is
# checked for when building other downstream repos (qtsvg, etc) and the policy settings
# will be consistent unless the downstream repos explicitly override them.
# Policy settings can be overridden per-repo, but the minimum CMake version is global for all of
# Qt.
qt_internal_get_supported_min_cmake_version_for_building_qt(
supported_min_version_for_building_qt)
qt_internal_get_computed_min_cmake_version_for_building_qt(
computed_min_version_for_building_qt)
qt_internal_get_min_new_policy_cmake_version(min_new_policy_version)
qt_internal_get_max_new_policy_cmake_version(max_new_policy_version)
# Rpath related things that need to be re-used when building other repos.
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"set(CMAKE_INSTALL_RPATH \"${CMAKE_INSTALL_RPATH}\" CACHE STRING \"\")\n")
if(DEFINED QT_DISABLE_RPATH)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"set(QT_DISABLE_RPATH \"${QT_DISABLE_RPATH}\" CACHE STRING \"\")\n")
endif()
if(DEFINED QT_EXTRA_DEFINES)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"set(QT_EXTRA_DEFINES \"${QT_EXTRA_DEFINES}\" CACHE STRING \"\")\n")
endif()
if(DEFINED QT_EXTRA_INCLUDEPATHS)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"set(QT_EXTRA_INCLUDEPATHS \"${QT_EXTRA_INCLUDEPATHS}\" CACHE STRING \"\")\n")
endif()
if(DEFINED QT_EXTRA_FRAMEWORKPATHS)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"set(QT_EXTRA_FRAMEWORKPATHS \"${QT_EXTRA_FRAMEWORKPATHS}\" CACHE STRING \"\")\n")
endif()
if(DEFINED QT_EXTRA_LIBDIRS)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"set(QT_EXTRA_LIBDIRS \"${QT_EXTRA_LIBDIRS}\" CACHE STRING \"\")\n")
endif()
if(DEFINED QT_EXTRA_RPATHS)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"set(QT_EXTRA_RPATHS \"${QT_EXTRA_RPATHS}\" CACHE STRING \"\")\n")
endif()
# Save pkg-config feature value to be able to query it internally as soon as BuildInternals
# package is loaded. This is to avoid any pkg-config package from being found when
# find_package(Qt6Core) is called in case if the feature was disabled.
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS "
if(NOT QT_SKIP_BUILD_INTERNALS_PKG_CONFIG_FEATURE)
set(FEATURE_pkg_config \"${FEATURE_pkg_config}\" CACHE STRING \"Using pkg-config\" FORCE)
endif()\n")
# The OpenSSL root dir needs to be saved so that repos other than qtbase (like qtopcua) can
# still successfully find_package(WrapOpenSSL) in the CI.
# qmake saves any additional include paths passed via the configure like '-I/foo'
# in mkspecs/qmodule.pri, so this file is the closest equivalent.
if(DEFINED OPENSSL_ROOT_DIR)
file(TO_CMAKE_PATH "${OPENSSL_ROOT_DIR}" openssl_root_cmake_path)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"set(OPENSSL_ROOT_DIR \"${openssl_root_cmake_path}\" CACHE STRING \"\")\n")
endif()
qt_generate_install_prefixes(install_prefix_content)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS "${install_prefix_content}")
if(NOT BUILD_SHARED_LIBS)
# The top-level check needs to happen inside QtBuildInternals, because it's possible
# to configure a top-level build with a few repos and then configure another repo
# using qt-configure-module in a separate build dir, where QT_SUPERBUILD will not
# be set anymore.
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"
if(DEFINED QT_REPO_MODULE_VERSION AND NOT DEFINED QT_REPO_DEPENDENCIES AND NOT QT_SUPERBUILD)
qt_internal_read_repo_dependencies(QT_REPO_DEPENDENCIES \"$\{PROJECT_SOURCE_DIR}\")
endif()
")
endif()
if(DEFINED OpenGL_GL_PREFERENCE)
string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
"
# Use the OpenGL_GL_PREFERENCE value qtbase was built with. But do not FORCE it.
set(OpenGL_GL_PREFERENCE \"${OpenGL_GL_PREFERENCE}\" CACHE STRING \"\")
")
endif()
qt_compute_relative_path_from_cmake_config_dir_to_prefix()
configure_file(
"${CMAKE_CURRENT_LIST_DIR}/QtBuildInternalsExtra.cmake.in"
"${extra_file_path}"
@ONLY
)
endif()
endfunction()
# For every Qt module check if there any android dependencies that require
# processing.
function(qt_modules_process_android_dependencies)
qt_internal_get_qt_repo_known_modules(repo_known_modules)
foreach (target ${repo_known_modules})
qt_internal_android_dependencies(${target})
endforeach()
endfunction()
function(qt_create_tools_config_files)
# Create packages like Qt6CoreTools/Qt6CoreToolsConfig.cmake.
foreach(module_name ${QT_KNOWN_MODULES_WITH_TOOLS})
qt_export_tools("${module_name}")
endforeach()
endfunction()
function(qt_internal_create_config_file_for_standalone_tests)
set(standalone_tests_config_dir "StandaloneTests")
qt_path_join(config_build_dir
${QT_CONFIG_BUILD_DIR}
"${INSTALL_CMAKE_NAMESPACE}BuildInternals" "${standalone_tests_config_dir}")
qt_path_join(config_install_dir
${QT_CONFIG_INSTALL_DIR}
"${INSTALL_CMAKE_NAMESPACE}BuildInternals" "${standalone_tests_config_dir}")
# Filter out bundled system libraries. Otherwise when looking for their dependencies
# (like PNG for Freetype) FindWrapPNG is searched for during configuration of
# standalone tests, and it can happen that Core or Gui features are not
# imported early enough, which means FindWrapPNG will try to find a system PNG library instead
# of the bundled one.
set(modules)
foreach(m ${QT_REPO_KNOWN_MODULES})
get_target_property(target_type "${m}" TYPE)
# Interface libraries are never bundled system libraries (hopefully).
if(target_type STREQUAL "INTERFACE_LIBRARY")
list(APPEND modules "${m}")
continue()
endif()
get_target_property(is_3rd_party "${m}" _qt_module_is_3rdparty_library)
if(NOT is_3rd_party)
list(APPEND modules "${m}")
endif()
endforeach()
list(JOIN modules " " QT_REPO_KNOWN_MODULES_STRING)
string(STRIP "${QT_REPO_KNOWN_MODULES_STRING}" QT_REPO_KNOWN_MODULES_STRING)
# Skip generating and installing file if no modules were built. This make sure not to install
# anything when build qtx11extras on macOS for example.
if(NOT QT_REPO_KNOWN_MODULES_STRING)
return()
endif()
# Create a Config file that calls find_package on the modules that were built as part
# of the current repo. This is used for standalone tests.
qt_internal_get_standalone_tests_config_file_name(tests_config_file_name)
# Standalone tests Config files should follow the main versioning scheme.
qt_internal_get_package_version_of_target(Platform main_qt_package_version)
configure_file(
"${QT_CMAKE_DIR}/QtStandaloneTestsConfig.cmake.in"
"${config_build_dir}/${tests_config_file_name}"
@ONLY
)
qt_install(FILES
"${config_build_dir}/${tests_config_file_name}"
DESTINATION "${config_install_dir}"
COMPONENT Devel
)
endfunction()
function(qt_internal_install_prl_files)
# Get locations relative to QT_BUILD_DIR from which prl files should be installed.
get_property(prl_install_dirs GLOBAL PROPERTY QT_PRL_INSTALL_DIRS)
# Clear the list of install dirs so the previous values don't pollute the list of install dirs
# for the next repository in a top-level build.
set_property(GLOBAL PROPERTY QT_PRL_INSTALL_DIRS "")
foreach(prl_install_dir ${prl_install_dirs})
qt_install(DIRECTORY "${QT_BUILD_DIR}/${prl_install_dir}/"
DESTINATION ${prl_install_dir}
FILES_MATCHING PATTERN "*.prl"
)
endforeach()
endfunction()
function(qt_internal_generate_user_facing_tools_info)
if("${INSTALL_PUBLICBINDIR}" STREQUAL "")
return()
endif()
get_property(user_facing_tool_targets GLOBAL PROPERTY QT_USER_FACING_TOOL_TARGETS)
set(lines "")
foreach(target ${user_facing_tool_targets})
get_target_property(filename ${target} OUTPUT_NAME)
if(NOT filename)
set(filename ${target})
endif()
qt_path_join(tool_target_path "${CMAKE_INSTALL_PREFIX}" "${INSTALL_BINDIR}" "${filename}")
qt_path_join(tool_link_path "${INSTALL_PUBLICBINDIR}" "${filename}${PROJECT_VERSION_MAJOR}")
list(APPEND lines "${tool_target_path} ${tool_link_path}")
endforeach()
string(REPLACE ";" "\n" content "${lines}")
string(APPEND content "\n")
set(out_file "${PROJECT_BINARY_DIR}/user_facing_tool_links.txt")
file(WRITE "${out_file}" "${content}")
endfunction()
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