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qtbase/cmake/QtTargetHelpers.cmake
Joerg Bornemann e120fb78c9 CMake: Only load Qt6FooPrivate automatically when building Qt 
[ChangeLog][CMake] CMake packages of public Qt modules don't provide the
targets of their private counterparts anymore. User projects must now
call find_package(Qt6 COMPONENTS FooPrivate) to make use of the
Qt6::FooPrivate target. User projects that rely on the old behavior can
set the CMake variable QT_FIND_PRIVATE_MODULES to ON.

For user projects, the warning message we know from QMake is displayed.
The warning can be disabled by setting the CMake variable
QT_NO_PRIVATE_MODULE_WARNING to ON.

Within Qt itself, find_package(Qt6Foo) will still
find_package(Qt6FooPrivate).

For static Qt builds, we need to wrap usage of private Qt modules in
$<BUILD_INTERFACE> or $<BUILD_LOCAL_INTERFACE> (if CMake's version is >=
3.26). Static builds with CMake < 3.26 will always load the private
modules if the Qt6FooConfig.cmake from Qt's build tree is loaded. This
is the case in non-prefix builds and (in the future) when building
examples as external project.

This amends commit fbbf4ace0188b9718b6d7808021c0b887fd52d9f.

Task-number: QTBUG-87776
Change-Id: I78e95248f2b3fa73c3005c61df2fe4f71ad8eeb8
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
(cherry picked from commit ad7b94e163ac5c3959a7e38d7f48536be288a187)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
2025-01-25 11:45:09 +00:00

1827 lines
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CMake
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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
# This function can be used to add sources/libraries/etc. to the specified CMake target
# if the provided CONDITION evaluates to true.
# One-value Arguments:
# PRECOMPILED_HEADER
# Name of the precompiled header that is used for the target.
# Multi-value Arguments:
# CONDITION
# The condition under which the target will be extended.
# CONDITION_INDEPENDENT_SOURCES
# Source files that should be added to the target unconditionally. Note that if target is Qt
# module, these files will raise a warning at configure time if the condition is not met.
# COMPILE_FLAGS
# Custom compilation flags.
# EXTRA_LINKER_SCRIPT_CONTENT
# Extra content that should be appended to a target linker script. Applicable for ld only.
# EXTRA_LINKER_SCRIPT_EXPORTS
# Extra content that should be added to export section of the linker script.
# NO_PCH_SOURCES
# Exclude the specified source files from PRECOMPILE_HEADERS and UNITY_BUILD builds.
function(qt_internal_extend_target target)
if(NOT TARGET "${target}")
message(FATAL_ERROR "${target} is not a target.")
endif()
qt_internal_is_skipped_test(skipped ${target})
if(skipped)
return()
endif()
qt_internal_is_in_test_batch(in_batch ${target})
if(in_batch)
_qt_internal_test_batch_target_name(target)
endif()
# Don't try to extend_target when cross compiling an imported host target (like a tool).
qt_is_imported_target("${target}" is_imported)
if(is_imported)
return()
endif()
set(option_args
NO_UNITY_BUILD
${__qt_internal_sbom_optional_args}
)
set(single_args
PRECOMPILED_HEADER
EXTRA_LINKER_SCRIPT_CONTENT
${__qt_internal_sbom_single_args}
)
set(multi_args
${__default_public_args}
${__default_private_args}
${__default_private_module_args}
CONDITION
CONDITION_INDEPENDENT_SOURCES
COMPILE_FLAGS
EXTRA_LINKER_SCRIPT_EXPORTS
${__qt_internal_sbom_multi_args}
)
cmake_parse_arguments(PARSE_ARGV 1 arg
"${option_args}"
"${single_args}"
"${multi_args}"
)
_qt_internal_validate_all_args_are_parsed(arg)
if("x${arg_CONDITION}" STREQUAL "x")
set(arg_CONDITION ON)
endif()
qt_evaluate_config_expression(result ${arg_CONDITION})
if(${result})
if(QT_CMAKE_DEBUG_EXTEND_TARGET)
message("qt_extend_target(${target} CONDITION ${arg_CONDITION} ...): Evaluated")
endif()
set(dbus_sources "")
foreach(adaptor ${arg_DBUS_ADAPTOR_SOURCES})
_qt_internal_forward_function_args(
FORWARD_PREFIX arg_DBUS_ADAPTOR
FORWARD_OUT_VAR forwarded_args
FORWARD_SINGLE
BASENAME
FLAGS
)
qt_create_qdbusxml2cpp_command("${target}" "${adaptor}" ADAPTOR ${forwarded_args})
list(APPEND dbus_sources "${adaptor}")
endforeach()
foreach(interface ${arg_DBUS_INTERFACE_SOURCES})
_qt_internal_forward_function_args(
FORWARD_PREFIX arg_DBUS_INTERFACE
FORWARD_OUT_VAR forwarded_args
FORWARD_SINGLE
BASENAME
FLAGS
)
qt_create_qdbusxml2cpp_command("${target}" "${interface}" INTERFACE ${forwarded_args})
list(APPEND dbus_sources "${interface}")
endforeach()
set(all_sources
${arg_SOURCES}
${dbus_sources}
)
get_target_property(target_type ${target} TYPE)
set(is_library FALSE)
set(is_interface_lib FALSE)
set(is_executable FALSE)
if(${target_type} STREQUAL "STATIC_LIBRARY" OR ${target_type} STREQUAL "SHARED_LIBRARY")
set(is_library TRUE)
elseif(target_type STREQUAL "INTERFACE_LIBRARY")
set(is_interface_lib TRUE)
elseif(target_type STREQUAL "EXECUTABLE")
set(is_executable TRUE)
endif()
foreach(lib ${arg_PUBLIC_LIBRARIES} ${arg_LIBRARIES})
# Automatically generate PCH for 'target' using public dependencies.
# But only if 'target' is a library/module that does not specify its own PCH file.
if(NOT arg_PRECOMPILED_HEADER AND ${is_library})
qt_update_precompiled_header_with_library("${target}" "${lib}")
endif()
string(REGEX REPLACE "_nolink$" "" base_lib "${lib}")
if(NOT base_lib STREQUAL lib)
qt_create_nolink_target("${base_lib}" ${target})
endif()
# Collect _sync_headers targets from libraries that the target depends on. This is
# heuristic way of building the dependency tree between the _sync_headers targets of
# different Qt modules.
if(TARGET "${lib}")
get_target_property(is_imported ${lib} IMPORTED)
if(NOT is_imported)
get_target_property(is_private ${lib} _qt_is_private_module)
if(is_private)
get_target_property(lib ${lib} _qt_public_module_target_name)
endif()
set(out_genex "$<TARGET_PROPERTY:${lib},_qt_internal_sync_headers_target>")
set_property(TARGET ${target}
APPEND PROPERTY _qt_internal_sync_headers_deps "${out_genex}")
endif()
endif()
endforeach()
list(TRANSFORM arg_PUBLIC_LIBRARIES REPLACE "^Qt::" "${QT_CMAKE_EXPORT_NAMESPACE}::")
list(TRANSFORM arg_LIBRARIES REPLACE "^Qt::" "${QT_CMAKE_EXPORT_NAMESPACE}::")
qt_internal_wrap_private_modules(arg_LIBRARIES ${arg_LIBRARIES})
# Set-up the target
# CMake versions less than 3.19 don't support adding the source files to the PRIVATE scope
# of the INTERFACE libraries. These PRIVATE sources are only needed by IDEs to display
# them in a project tree, so to avoid build issues and appearing the sources in
# INTERFACE_SOURCES property of INTERFACE_LIBRARY. Collect them inside the
# _qt_internal_target_sources property, since they can be useful in the source processing
# functions. The property itself is not exported and should only be used in the Qt internal
# build tree.
if(NOT is_interface_lib OR CMAKE_VERSION VERSION_GREATER_EQUAL "3.19")
target_sources("${target}" PRIVATE ${all_sources})
if(arg_COMPILE_FLAGS)
set_source_files_properties(${all_sources} PROPERTIES
COMPILE_FLAGS "${arg_COMPILE_FLAGS}")
endif()
else()
set_property(TARGET ${target} APPEND PROPERTY
_qt_internal_target_sources ${all_sources})
endif()
set(public_visibility_option "PUBLIC")
set(private_visibility_option "PRIVATE")
if(is_interface_lib)
set(public_visibility_option "INTERFACE")
set(private_visibility_option "INTERFACE")
endif()
target_include_directories("${target}"
${public_visibility_option} ${arg_PUBLIC_INCLUDE_DIRECTORIES}
${private_visibility_option} ${arg_INCLUDE_DIRECTORIES})
target_include_directories("${target}" SYSTEM
${private_visibility_option} ${arg_SYSTEM_INCLUDE_DIRECTORIES})
target_compile_definitions("${target}"
${public_visibility_option} ${arg_PUBLIC_DEFINES}
${private_visibility_option} ${arg_DEFINES})
target_link_libraries("${target}"
${public_visibility_option} ${arg_PUBLIC_LIBRARIES}
${private_visibility_option} ${arg_LIBRARIES})
target_compile_options("${target}"
${public_visibility_option} ${arg_PUBLIC_COMPILE_OPTIONS}
${private_visibility_option} ${arg_COMPILE_OPTIONS})
target_link_options("${target}"
${public_visibility_option} ${arg_PUBLIC_LINK_OPTIONS}
${private_visibility_option} ${arg_LINK_OPTIONS})
if(NOT is_interface_lib)
set_property(TARGET "${target}" APPEND PROPERTY
AUTOMOC_MOC_OPTIONS "${arg_MOC_OPTIONS}"
)
# Plugin types associated to a module
if(NOT "x${arg_PLUGIN_TYPES}" STREQUAL "x")
qt_internal_add_plugin_types("${target}" "${arg_PLUGIN_TYPES}")
endif()
endif()
# When computing the private library dependencies, we need to check not only the known
# modules added by this repo's qt_build_repo(), but also all module dependencies that
# were found via find_package().
qt_internal_get_qt_all_known_modules(known_modules)
# When a public module depends on a private module (Gui on CorePrivate)
# make its private module depend on the other private module (GuiPrivate will depend on
# CorePrivate).
set(qt_libs_private "")
foreach(it ${known_modules})
list(FIND arg_LIBRARIES "Qt::${it}Private" pos)
if(pos GREATER -1)
list(APPEND qt_libs_private "Qt::${it}Private")
endif()
endforeach()
if(arg_LIBRARIES)
_qt_internal_append_to_target_property_without_duplicates(${target}
_qt_extend_target_libraries "${arg_LIBRARIES}"
)
endif()
if(arg_PUBLIC_LIBRARIES)
_qt_internal_append_to_target_property_without_duplicates(${target}
_qt_extend_target_public_libraries "${arg_PUBLIC_LIBRARIES}"
)
endif()
if(QT_GENERATE_SBOM)
set(sbom_args "")
_qt_internal_forward_function_args(
FORWARD_APPEND
FORWARD_PREFIX arg
FORWARD_OUT_VAR sbom_args
FORWARD_OPTIONS
${__qt_internal_sbom_optional_args}
FORWARD_SINGLE
${__qt_internal_sbom_single_args}
FORWARD_MULTI
${__qt_internal_sbom_multi_args}
)
_qt_internal_extend_sbom(${target} ${sbom_args})
endif()
set(target_private "${target}Private")
get_target_property(is_internal_module ${target} _qt_is_internal_module)
# Internal modules don't have Private targets but we still need to
# propagate their private dependencies.
if(is_internal_module)
set(target_private "${target}")
endif()
if(TARGET "${target_private}")
target_link_libraries("${target_private}"
INTERFACE ${arg_PRIVATE_MODULE_INTERFACE})
qt_internal_register_target_dependencies("${target_private}"
PUBLIC ${arg_PRIVATE_MODULE_INTERFACE}
)
elseif(arg_PRIVATE_MODULE_INTERFACE)
set(warning_message "")
string(APPEND warning_message
"The PRIVATE_MODULE_INTERFACE option was provided the values:"
"'${arg_PRIVATE_MODULE_INTERFACE}' "
"but there is no ${target}Private target to assign them to."
"Ensure the target exists or remove the option.")
message(AUTHOR_WARNING "${warning_message}")
endif()
set(qt_register_target_dependencies_args "")
if(arg_PUBLIC_LIBRARIES)
list(APPEND qt_register_target_dependencies_args
PUBLIC ${arg_PUBLIC_LIBRARIES})
endif()
if(qt_libs_private OR arg_LIBRARIES)
list(APPEND qt_register_target_dependencies_args
PRIVATE ${qt_libs_private} ${arg_LIBRARIES})
endif()
qt_internal_register_target_dependencies("${target}"
${qt_register_target_dependencies_args})
qt_autogen_tools(${target}
ENABLE_AUTOGEN_TOOLS ${arg_ENABLE_AUTOGEN_TOOLS}
DISABLE_AUTOGEN_TOOLS ${arg_DISABLE_AUTOGEN_TOOLS})
qt_update_precompiled_header("${target}" "${arg_PRECOMPILED_HEADER}")
## Also exclude them from unity build
qt_update_ignore_pch_source("${target}" "${arg_NO_PCH_SOURCES}")
## Ignore objective-c files for PCH (not supported atm)
qt_ignore_pch_obj_c_sources("${target}" "${arg_SOURCES}")
if(arg_NO_UNITY_BUILD)
set_target_properties("${target}" PROPERTIES UNITY_BUILD OFF)
qt_update_ignore_unity_build_sources("${target}" "${arg_SOURCES}")
endif()
if(arg_NO_UNITY_BUILD_SOURCES)
qt_update_ignore_unity_build_sources("${target}" "${arg_NO_UNITY_BUILD_SOURCES}")
endif()
else()
if(QT_CMAKE_DEBUG_EXTEND_TARGET)
message("qt_extend_target(${target} CONDITION ${arg_CONDITION} ...): Skipped")
endif()
endif()
if(arg_CONDITION_INDEPENDENT_SOURCES)
set_source_files_properties(${arg_CONDITION_INDEPENDENT_SOURCES} PROPERTIES
_qt_extend_target_condition "${arg_CONDITION}"
SKIP_AUTOGEN TRUE
)
qt_internal_get_target_sources_property(sources_property)
set_property(TARGET ${target} APPEND PROPERTY
${sources_property} "${arg_CONDITION_INDEPENDENT_SOURCES}")
endif()
if(arg_EXTRA_LINKER_SCRIPT_CONTENT)
set_target_properties(${target} PROPERTIES
_qt_extra_linker_script_content "${arg_EXTRA_LINKER_SCRIPT_CONTENT}")
endif()
if(arg_EXTRA_LINKER_SCRIPT_EXPORTS)
set_target_properties(${target} PROPERTIES
_qt_extra_linker_script_exports "${arg_EXTRA_LINKER_SCRIPT_EXPORTS}")
endif()
if(is_executable)
# If linking against Gui, make sure to also build the default QPA plugin.
# This makes the experience of an initial Qt configuration to build and run one single
# test / executable nicer.
set(linked_libs ${arg_PUBLIC_LIBRARIES} ${arg_LIBRARIES})
if(linked_libs MATCHES "(^|;)(${QT_CMAKE_EXPORT_NAMESPACE}::|Qt::)?Gui($|;)" AND
TARGET qpa_default_plugins)
add_dependencies("${target}" qpa_default_plugins)
endif()
# For executables collect static plugins that these targets depend on.
qt_internal_import_plugins(${target} ${linked_libs})
endif()
endfunction()
# Takes an output variable and a list of libraries.
#
# Every library that is a private module is wrapped in $<BUILD_INTERFACE> or
# $<BUILD_LOCAL_INTERFACE> if CMake is new enough.
#
# This is necessary for static builds, because if Qt6Foo links to Qt6BarPrivate, this link
# dependency is purely internal. If we don't do this, CMake adds a target check for Qt6BarPrivate
# in Qt6FooTargets.cmake. This breaks if Qt6BarPrivate is not find_package'ed before.
function(qt_internal_wrap_private_modules out_var)
set(result "")
if(CMAKE_VERSION VERSION_LESS "3.26")
set(wrapper_genex "BUILD_INTERFACE")
else()
set(wrapper_genex "BUILD_LOCAL_INTERFACE")
endif()
foreach(lib IN LISTS ARGN)
if(TARGET "${lib}")
get_target_property(lib_is_private_module ${lib} _qt_is_private_module)
if(lib_is_private_module)
# Add the public module as non-wrapped link dependency. This is necessary for
# targets that link only to the private module. Consumers of this target would then
# get a linker error about missing symbols from that Qt module.
get_target_property(lib_public_module_target ${lib} _qt_public_module_target_name)
list(APPEND result "${INSTALL_CMAKE_NAMESPACE}::${lib_public_module_target}")
# Wrap the private module in BUILD_LOCAL_INTERFACE.
set(lib "$<${wrapper_genex}:${lib}>")
endif()
endif()
list(APPEND result "${lib}")
endforeach()
set("${out_var}" "${result}" PARENT_SCOPE)
endfunction()
# Given CMAKE_CONFIG and ALL_CMAKE_CONFIGS, determines if a directory suffix needs to be appended
# to each destination, and sets the computed install target destination arguments in OUT_VAR.
# Defaults used for each of the destination types, and can be configured per destination type.
function(qt_get_install_target_default_args)
cmake_parse_arguments(PARSE_ARGV 0 arg
""
"OUT_VAR;OUT_VAR_RUNTIME;CMAKE_CONFIG;RUNTIME;LIBRARY;ARCHIVE;INCLUDES;BUNDLE"
"ALL_CMAKE_CONFIGS")
_qt_internal_validate_all_args_are_parsed(arg)
if(NOT arg_CMAKE_CONFIG)
message(FATAL_ERROR "No value given for CMAKE_CONFIG.")
endif()
if(NOT arg_ALL_CMAKE_CONFIGS)
message(FATAL_ERROR "No value given for ALL_CMAKE_CONFIGS.")
endif()
list(LENGTH arg_ALL_CMAKE_CONFIGS all_configs_count)
list(GET arg_ALL_CMAKE_CONFIGS 0 first_config)
set(suffix "")
if(all_configs_count GREATER 1 AND NOT arg_CMAKE_CONFIG STREQUAL first_config)
set(suffix "/${arg_CMAKE_CONFIG}")
endif()
set(runtime "${INSTALL_BINDIR}")
if(arg_RUNTIME)
set(runtime "${arg_RUNTIME}")
endif()
set(library "${INSTALL_LIBDIR}")
if(arg_LIBRARY)
set(library "${arg_LIBRARY}")
endif()
set(archive "${INSTALL_LIBDIR}")
if(arg_ARCHIVE)
set(archive "${arg_ARCHIVE}")
endif()
set(includes "${INSTALL_INCLUDEDIR}")
if(arg_INCLUDES)
set(includes "${arg_INCLUDES}")
endif()
set(bundle "${INSTALL_BINDIR}")
if(arg_BUNDLE)
set(bundle "${arg_BUNDLE}")
endif()
set(args
RUNTIME DESTINATION "${runtime}${suffix}"
LIBRARY DESTINATION "${library}${suffix}"
ARCHIVE DESTINATION "${archive}${suffix}" COMPONENT Devel
BUNDLE DESTINATION "${bundle}${suffix}"
INCLUDES DESTINATION "${includes}${suffix}")
set(${arg_OUT_VAR} "${args}" PARENT_SCOPE)
if(arg_OUT_VAR_RUNTIME)
set(args
"${runtime}${suffix}"
)
set(${arg_OUT_VAR_RUNTIME} "${args}" PARENT_SCOPE)
endif()
endfunction()
macro(qt_internal_setup_default_target_function_options)
set(__default_private_args
SOURCES
LIBRARIES
INCLUDE_DIRECTORIES
SYSTEM_INCLUDE_DIRECTORIES
DEFINES
DBUS_ADAPTOR_BASENAME
DBUS_ADAPTOR_FLAGS
DBUS_ADAPTOR_SOURCES
DBUS_INTERFACE_BASENAME
DBUS_INTERFACE_FLAGS
DBUS_INTERFACE_SOURCES
FEATURE_DEPENDENCIES
COMPILE_OPTIONS
LINK_OPTIONS
MOC_OPTIONS
DISABLE_AUTOGEN_TOOLS
ENABLE_AUTOGEN_TOOLS
PLUGIN_TYPES
NO_PCH_SOURCES
NO_UNITY_BUILD_SOURCES
)
set(__default_public_args
PUBLIC_LIBRARIES
PUBLIC_INCLUDE_DIRECTORIES
PUBLIC_DEFINES
PUBLIC_COMPILE_OPTIONS
PUBLIC_LINK_OPTIONS
)
set(__default_private_module_args
PRIVATE_MODULE_INTERFACE
)
set(__default_target_info_args
TARGET_VERSION
TARGET_PRODUCT
TARGET_DESCRIPTION
TARGET_COMPANY
TARGET_COPYRIGHT
)
_qt_internal_get_sbom_add_target_common_options(
__qt_internal_sbom_optional_args
__qt_internal_sbom_single_args
__qt_internal_sbom_multi_args
)
# Collection of arguments so they can be shared across qt_internal_add_executable
# and qt_internal_add_test_helper.
set(__qt_internal_add_executable_optional_args
GUI
NO_INSTALL
EXCEPTIONS
DELAY_RC
DELAY_TARGET_INFO
QT_APP
QT_TEST
QT_MANUAL_TEST
QT_BENCHMARK_TEST
NO_UNITY_BUILD
${__qt_internal_sbom_optional_args}
)
set(__qt_internal_add_executable_single_args
CORE_LIBRARY
OUTPUT_DIRECTORY
INSTALL_DIRECTORY
VERSION
${__default_target_info_args}
${__qt_internal_sbom_single_args}
)
set(__qt_internal_add_executable_multi_args
${__default_private_args}
${__default_public_args}
${__qt_internal_sbom_multi_args}
)
endmacro()
# Append a config-specific postfix to library names to ensure distinct names
# in a multi-config build.
# e.g. lib/libQt6DBus_relwithdebinfo.6.3.0.dylib
# Don't apply the postfix to the first encountered release-like config, so we have at least one
# config without a postifx.
# If postfixes are set by user warn about potential issues.
function(qt_internal_setup_cmake_config_postfix)
# Collect configuration that require postfix in Qt library names.
if(QT_GENERATOR_IS_MULTI_CONFIG)
set(postfix_configurations ${CMAKE_CONFIGURATION_TYPES})
else()
set(postfix_configurations ${CMAKE_BUILD_TYPE})
# Set the default postfix to empty by default for single-config builds.
string(TOLOWER "${CMAKE_BUILD_TYPE}" build_type_lower)
set(default_cmake_${build_type_lower}_postfix "")
endif()
# Override the generic debug postfixes above with custom debug postfixes (even in a single
# config build) to follow the conventions we had since Qt 5.
# e.g. lib/libQt6DBus_debug.6.3.0.dylib
if(WIN32)
if(MINGW)
# On MinGW we don't have "d" suffix for debug libraries like on Linux,
# unless we're building debug and release libraries in one go.
if(QT_GENERATOR_IS_MULTI_CONFIG)
set(default_cmake_debug_postfix "d")
endif()
else()
set(default_cmake_debug_postfix "d")
endif()
elseif(APPLE)
# Only add a suffix for explicit no-framework builds.
# For framework builds the library inside the framework
# is always unsuffixed, and we want to match that for
# plugins and other non-framework (static) libraries.
if(NOT (QT_FEATURE_framework OR FEATURE_framework
# Account for default in configure.json being ON
OR (NOT DEFINED QT_FEATURE_framework AND NOT DEFINED FEATURE_framework)))
set(default_cmake_debug_postfix "_debug")
endif()
endif()
set(custom_postfix_vars "")
set(release_configs Release RelWithDebInfo MinSizeRel)
set(found_first_release_config FALSE)
foreach(config_type IN LISTS postfix_configurations)
string(TOLOWER "${config_type}" config_type_lower)
string(TOUPPER "${config_type}" config_type_upper)
set(postfix_var CMAKE_${config_type_upper}_POSTFIX)
# Skip assigning postfix for the first release-like config.
if(NOT found_first_release_config
AND config_type IN_LIST release_configs)
set(found_first_release_config TRUE)
if(NOT "${${postfix_var}}" STREQUAL "")
list(APPEND custom_postfix_vars ${postfix_var})
endif()
continue()
endif()
# Check if the default postfix is set, use '_<config_type_lower>' otherwise.
set(default_postfix_var
default_cmake_${config_type_lower}_postfix)
if(NOT DEFINED ${default_postfix_var})
set(${default_postfix_var}
"_${config_type_lower}")
endif()
# If postfix is set by user avoid changing it, but save postfix variable that has
# a non-default value for further warning.
if("${${postfix_var}}" STREQUAL "")
set(${postfix_var} "${${default_postfix_var}}")
set(${postfix_var} "${${default_postfix_var}}" PARENT_SCOPE)
elseif(NOT "${${postfix_var}}" STREQUAL "${${default_postfix_var}}")
list(APPEND custom_postfix_vars ${postfix_var})
endif()
# Adjust framework postfixes accordingly
if(APPLE)
set(CMAKE_FRAMEWORK_MULTI_CONFIG_POSTFIX_${config_type_upper}
"${${postfix_var}}" PARENT_SCOPE)
endif()
endforeach()
if(custom_postfix_vars)
list(REMOVE_DUPLICATES custom_postfix_vars)
list(JOIN custom_postfix_vars ", " postfix_vars_string)
message(WARNING "You are using custom library postfixes: '${postfix_vars_string}' which are"
" considered experimental and are not officially supported by Qt."
" Expect unforeseen issues and user projects built with qmake to be broken."
)
endif()
endfunction()
function(qt_is_imported_target target out_var)
if(NOT TARGET "${target}")
set(target "${QT_CMAKE_EXPORT_NAMESPACE}::${target}")
endif()
if(NOT TARGET "${target}")
message(FATAL_ERROR "Invalid target given to qt_is_imported_target: ${target}")
endif()
get_target_property(is_imported "${target}" IMPORTED)
set(${out_var} "${is_imported}" PARENT_SCOPE)
endfunction()
# Add Qt::target and Qt6::target as aliases for the target
function(qt_internal_add_target_aliases target)
set(versionless_alias "Qt::${target}")
set(versionfull_alias "Qt${PROJECT_VERSION_MAJOR}::${target}")
set_target_properties("${target}" PROPERTIES _qt_versionless_alias "${versionless_alias}")
set_target_properties("${target}" PROPERTIES _qt_versionfull_alias "${versionfull_alias}")
get_target_property(type "${target}" TYPE)
if (type STREQUAL EXECUTABLE)
add_executable("${versionless_alias}" ALIAS "${target}")
add_executable("${versionfull_alias}" ALIAS "${target}")
else()
add_library("${versionless_alias}" ALIAS "${target}")
add_library("${versionfull_alias}" ALIAS "${target}")
endif()
endfunction()
function(qt_get_cmake_configurations out_var)
set(possible_configs "${CMAKE_BUILD_TYPE}")
if(CMAKE_CONFIGURATION_TYPES)
set(possible_configs "${CMAKE_CONFIGURATION_TYPES}")
endif()
set(${out_var} "${possible_configs}" PARENT_SCOPE)
endfunction()
function(qt_clone_property_for_configs target property configs)
get_target_property(value "${target}" "${property}")
foreach(config ${configs})
string(TOUPPER "${config}" upper_config)
set_property(TARGET "${target}" PROPERTY "${property}_${upper_config}" "${value}")
endforeach()
endfunction()
function(qt_handle_multi_config_output_dirs target)
qt_get_cmake_configurations(possible_configs)
qt_clone_property_for_configs(${target} LIBRARY_OUTPUT_DIRECTORY "${possible_configs}")
qt_clone_property_for_configs(${target} RUNTIME_OUTPUT_DIRECTORY "${possible_configs}")
qt_clone_property_for_configs(${target} ARCHIVE_OUTPUT_DIRECTORY "${possible_configs}")
endfunction()
# Set target properties that are the same for all modules, plugins, executables
# and 3rdparty libraries.
function(qt_set_common_target_properties target)
if(QT_FEATURE_reduce_exports)
set_target_properties(${target} PROPERTIES
C_VISIBILITY_PRESET hidden
CXX_VISIBILITY_PRESET hidden
OBJC_VISIBILITY_PRESET hidden
OBJCXX_VISIBILITY_PRESET hidden
VISIBILITY_INLINES_HIDDEN 1)
endif()
qt_internal_set_compile_pdb_names("${target}")
endfunction()
# Set common, informational target properties.
#
# On Windows, these properties are used to generate the version information resource.
function(qt_set_target_info_properties target)
cmake_parse_arguments(arg "" "${__default_target_info_args}" "" ${ARGN})
if(NOT arg_TARGET_VERSION)
set(arg_TARGET_VERSION "${PROJECT_VERSION}.0")
endif()
if(NOT arg_TARGET_PRODUCT)
set(arg_TARGET_PRODUCT "Qt6")
endif()
if(NOT arg_TARGET_DESCRIPTION)
set(arg_TARGET_DESCRIPTION "C++ Application Development Framework")
endif()
if(NOT arg_TARGET_COMPANY)
set(arg_TARGET_COMPANY "The Qt Company Ltd.")
endif()
if(NOT arg_TARGET_COPYRIGHT)
set(arg_TARGET_COPYRIGHT "${QT_COPYRIGHT}")
endif()
set_target_properties(${target} PROPERTIES
QT_TARGET_VERSION "${arg_TARGET_VERSION}"
QT_TARGET_COMPANY_NAME "${arg_TARGET_COMPANY}"
QT_TARGET_DESCRIPTION "${arg_TARGET_DESCRIPTION}"
QT_TARGET_COPYRIGHT "${arg_TARGET_COPYRIGHT}"
QT_TARGET_PRODUCT_NAME "${arg_TARGET_PRODUCT}")
endfunction()
# Uses the QT_DELAYED_TARGET_* property values to set the final QT_TARGET_* properties.
# Needed when doing executable finalization at the end of a subdirectory scope
# (aka scope finalization).
function(qt_internal_set_target_info_properties_from_delayed_properties target)
set(args "")
foreach(prop ${__default_target_info_args})
get_target_property(prop_value "${target}" "QT_DELAYED_${prop}")
list(APPEND args "${prop}" "${prop_value}")
endforeach()
qt_set_target_info_properties(${target} ${args})
endfunction()
# Updates the QT_DELAYED_ properties with values from the QT_ variants, in case if they were
# set in-between a qt_add_* call and before scope finalization.
function(qt_internal_update_delayed_target_info_properties target)
foreach(prop ${__default_target_info_args})
get_target_property(prop_value "${target}" "QT_${prop}")
get_target_property(delayed_prop_value ${target} "QT_DELAYED_${prop}")
set(final_value "${delayed_prop_value}")
if(prop_value)
set(final_value "${prop_value}")
endif()
set_target_properties(${target} PROPERTIES "QT_DELAYED_${prop}" "${final_value}")
endforeach()
endfunction()
function(qt_internal_check_directory_or_type name dir type default result_var)
if ("x${dir}" STREQUAL x)
if("x${type}" STREQUAL x)
message(FATAL_ERROR
"qt_internal_add_plugin called without setting either PLUGIN_TYPE or ${name}.")
endif()
set(${result_var} "${default}" PARENT_SCOPE)
else()
set(${result_var} "${dir}" PARENT_SCOPE)
endif()
endfunction()
macro(qt_internal_get_export_additional_targets_keywords option_args single_args multi_args)
set(${option_args}
)
set(${single_args}
EXPORT_NAME_PREFIX
)
set(${multi_args}
TARGETS
TARGET_EXPORT_NAMES
)
endmacro()
# Create a Qt*AdditionalTargetInfo.cmake file that is included by Qt*Config.cmake
# and sets IMPORTED_*_<CONFIG> properties on the exported targets.
#
# The file also makes the targets global if the QT_PROMOTE_TO_GLOBAL_TARGETS property is set in the
# consuming project.
# When using a CMake version lower than 3.21, only the specified TARGETS are made global.
# E.g. transitive non-Qt 3rd party targets of the specified targets are not made global.
#
# EXPORT_NAME_PREFIX:
# The portion of the file name before AdditionalTargetInfo.cmake
# CONFIG_INSTALL_DIR:
# Installation location for the target info file
# TARGETS:
# The internal target names. Those must be actual targets.
# TARGET_EXPORT_NAMES:
# The target names how they appear in the QtXXXTargets.cmake files.
# The names get prefixed by ${QT_CMAKE_EXPORT_NAMESPACE}:: unless they already are.
# This argument may be empty, then the target export names are the same as the internal ones.
#
# TARGETS and TARGET_EXPORT_NAMES must contain exactly the same number of elements.
# Example: TARGETS = qmljs_native
# TARGET_EXPORT_NAMES = Qt6::qmljs
#
function(qt_internal_export_additional_targets_file)
qt_internal_get_export_additional_targets_keywords(option_args single_args multi_args)
cmake_parse_arguments(arg
"${option_args}"
"${single_args};CONFIG_INSTALL_DIR"
"${multi_args}"
${ARGN})
qt_internal_append_export_additional_targets()
set_property(GLOBAL APPEND PROPERTY _qt_export_additional_targets_ids "${id}")
set_property(GLOBAL APPEND
PROPERTY _qt_export_additional_targets_export_name_prefix_${id} "${arg_EXPORT_NAME_PREFIX}")
set_property(GLOBAL APPEND
PROPERTY _qt_export_additional_targets_config_install_dir_${id} "${arg_CONFIG_INSTALL_DIR}")
qt_add_list_file_finalizer(qt_internal_export_additional_targets_file_finalizer)
endfunction()
function(qt_internal_get_export_additional_targets_id export_name out_var)
string(MAKE_C_IDENTIFIER "${export_name}" id)
set(${out_var} "${id}" PARENT_SCOPE)
endfunction()
# Uses outer-scope variables to keep the implementation less verbose.
macro(qt_internal_append_export_additional_targets)
qt_internal_validate_export_additional_targets(
EXPORT_NAME_PREFIX "${arg_EXPORT_NAME_PREFIX}"
TARGETS ${arg_TARGETS}
TARGET_EXPORT_NAMES ${arg_TARGET_EXPORT_NAMES})
qt_internal_get_export_additional_targets_id("${arg_EXPORT_NAME_PREFIX}" id)
set_property(GLOBAL APPEND
PROPERTY _qt_export_additional_targets_${id} "${arg_TARGETS}")
set_property(GLOBAL APPEND
PROPERTY _qt_export_additional_target_export_names_${id} "${arg_TARGET_EXPORT_NAMES}")
endmacro()
# Can be called to add additional targets to the file after the initial setup call.
# Used for resources.
function(qt_internal_add_targets_to_additional_targets_export_file)
qt_internal_get_export_additional_targets_keywords(option_args single_args multi_args)
cmake_parse_arguments(arg
"${option_args}"
"${single_args}"
"${multi_args}"
${ARGN})
qt_internal_append_export_additional_targets()
endfunction()
function(qt_internal_validate_export_additional_targets)
qt_internal_get_export_additional_targets_keywords(option_args single_args multi_args)
cmake_parse_arguments(arg
"${option_args}"
"${single_args}"
"${multi_args}"
${ARGN})
if(NOT arg_EXPORT_NAME_PREFIX)
message(FATAL_ERROR "qt_internal_validate_export_additional_targets: "
"Missing EXPORT_NAME_PREFIX argument.")
endif()
list(LENGTH arg_TARGETS num_TARGETS)
list(LENGTH arg_TARGET_EXPORT_NAMES num_TARGET_EXPORT_NAMES)
if(num_TARGET_EXPORT_NAMES GREATER 0)
if(NOT num_TARGETS EQUAL num_TARGET_EXPORT_NAMES)
message(FATAL_ERROR "qt_internal_validate_export_additional_targets: "
"TARGET_EXPORT_NAMES is set but has ${num_TARGET_EXPORT_NAMES} elements while "
"TARGETS has ${num_TARGETS} elements. "
"They must contain the same number of elements.")
endif()
else()
set(arg_TARGET_EXPORT_NAMES ${arg_TARGETS})
endif()
set(arg_TARGETS "${arg_TARGETS}" PARENT_SCOPE)
set(arg_TARGET_EXPORT_NAMES "${arg_TARGET_EXPORT_NAMES}" PARENT_SCOPE)
endfunction()
# The finalizer might be called multiple times in the same scope, but only the first one will
# process all the ids.
function(qt_internal_export_additional_targets_file_finalizer)
get_property(ids GLOBAL PROPERTY _qt_export_additional_targets_ids)
foreach(id ${ids})
qt_internal_export_additional_targets_file_handler("${id}")
endforeach()
set_property(GLOBAL PROPERTY _qt_export_additional_targets_ids "")
endfunction()
function(qt_internal_export_additional_targets_file_handler id)
get_property(arg_EXPORT_NAME_PREFIX GLOBAL PROPERTY
_qt_export_additional_targets_export_name_prefix_${id})
get_property(arg_CONFIG_INSTALL_DIR GLOBAL PROPERTY
_qt_export_additional_targets_config_install_dir_${id})
get_property(arg_TARGETS GLOBAL PROPERTY
_qt_export_additional_targets_${id})
get_property(arg_TARGET_EXPORT_NAMES GLOBAL PROPERTY
_qt_export_additional_target_export_names_${id})
list(LENGTH arg_TARGETS num_TARGETS)
# Determine the release configurations we're currently building
if(QT_GENERATOR_IS_MULTI_CONFIG)
set(active_configurations ${CMAKE_CONFIGURATION_TYPES})
else()
set(active_configurations ${CMAKE_BUILD_TYPE})
endif()
unset(active_release_configurations)
foreach(config ${active_configurations})
string(TOUPPER ${config} ucconfig)
if(NOT ucconfig STREQUAL "DEBUG")
list(APPEND active_release_configurations ${config})
endif()
endforeach()
if(active_release_configurations)
# Use the first active release configuration as *the* release config for imported targets
# and for QT_DEFAULT_IMPORT_CONFIGURATION.
list(GET active_release_configurations 0 release_cfg)
string(TOUPPER ${release_cfg} uc_release_cfg)
set(uc_default_cfg ${uc_release_cfg})
# Determine the release configurations we do *not* build currently
set(configurations_to_export Release;RelWithDebInfo;MinSizeRel)
list(REMOVE_ITEM configurations_to_export ${active_configurations})
else()
# There are no active release configurations.
# Use the first active configuration for QT_DEFAULT_IMPORT_CONFIGURATION.
unset(uc_release_cfg)
list(GET active_configurations 0 default_cfg)
string(TOUPPER ${default_cfg} uc_default_cfg)
unset(configurations_to_export)
endif()
set(content "# Additional target information for ${arg_EXPORT_NAME_PREFIX}
if(NOT DEFINED QT_DEFAULT_IMPORT_CONFIGURATION)
set(QT_DEFAULT_IMPORT_CONFIGURATION ${uc_default_cfg})
endif()
")
math(EXPR n "${num_TARGETS} - 1")
foreach(i RANGE ${n})
list(GET arg_TARGETS ${i} target)
list(GET arg_TARGET_EXPORT_NAMES ${i} target_export_name)
set(full_target ${target_export_name})
if(NOT full_target MATCHES "^${QT_CMAKE_EXPORT_NAMESPACE}::")
string(PREPEND full_target "${QT_CMAKE_EXPORT_NAMESPACE}::")
endif()
# Tools are already made global unconditionally in QtFooToolsConfig.cmake.
# And the
get_target_property(target_type ${target} TYPE)
if(NOT target_type STREQUAL "EXECUTABLE")
string(APPEND content
"__qt_internal_promote_target_to_global_checked(${full_target})\n")
endif()
# INTERFACE libraries don't have IMPORTED_LOCATION-like properties.
# Skip the rest of the processing for those.
if(target_type STREQUAL "INTERFACE_LIBRARY")
continue()
endif()
set(properties_retrieved TRUE)
get_target_property(is_configure_time_target ${target} _qt_internal_configure_time_target)
if(is_configure_time_target)
# For Multi-config developer builds we should simply reuse IMPORTED_LOCATION of the
# target.
if(NOT QT_WILL_INSTALL AND QT_FEATURE_debug_and_release)
set(configure_time_target_build_location "")
get_target_property(configure_time_target_install_location ${target}
IMPORTED_LOCATION)
else()
if(IS_ABSOLUTE "${arg_CONFIG_INSTALL_DIR}")
file(RELATIVE_PATH reverse_relative_prefix_path
"${arg_CONFIG_INSTALL_DIR}" "${CMAKE_INSTALL_PREFIX}")
else()
file(RELATIVE_PATH reverse_relative_prefix_path
"${CMAKE_INSTALL_PREFIX}/${arg_CONFIG_INSTALL_DIR}"
"${CMAKE_INSTALL_PREFIX}")
endif()
get_target_property(configure_time_target_build_location ${target}
_qt_internal_configure_time_target_build_location)
string(TOUPPER "${QT_CMAKE_EXPORT_NAMESPACE}_INSTALL_PREFIX" install_prefix_var)
string(JOIN "" configure_time_target_build_location
"$\{CMAKE_CURRENT_LIST_DIR}/"
"${reverse_relative_prefix_path}"
"${configure_time_target_build_location}")
get_target_property(configure_time_target_install_location ${target}
_qt_internal_configure_time_target_install_location)
string(JOIN "" configure_time_target_install_location
"$\{CMAKE_CURRENT_LIST_DIR}/"
"${reverse_relative_prefix_path}"
"${configure_time_target_install_location}")
endif()
if(configure_time_target_install_location)
string(APPEND content "
# Import configure-time executable ${full_target}
if(NOT TARGET ${full_target})
set(_qt_imported_build_location \"${configure_time_target_build_location}\")
set(_qt_imported_install_location \"${configure_time_target_install_location}\")
set(_qt_imported_location \"\${_qt_imported_install_location}\")
if(NOT EXISTS \"$\{_qt_imported_location}\"
AND NOT \"$\{_qt_imported_build_location}\" STREQUAL \"\")
set(_qt_imported_location \"\${_qt_imported_build_location}\")
endif()
if(NOT EXISTS \"$\{_qt_imported_location}\")
message(FATAL_ERROR \"Unable to add configure time executable ${full_target}\"
\" $\{_qt_imported_location} doesn't exists\")
endif()
add_executable(${full_target} IMPORTED)
set_property(TARGET ${full_target} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${default_cfg})
set_target_properties(${full_target} PROPERTIES IMPORTED_LOCATION_${uc_default_cfg}
\"$\{_qt_imported_location}\")
set_property(TARGET ${full_target} PROPERTY IMPORTED_GLOBAL TRUE)
unset(_qt_imported_location)
unset(_qt_imported_build_location)
unset(_qt_imported_install_location)
endif()
\n")
endif()
endif()
# Non-prefix debug-and-release builds: add check for the existence of the debug binary of
# the target. It is not built by default.
if(NOT QT_WILL_INSTALL AND QT_FEATURE_debug_and_release)
get_target_property(excluded_genex ${target} EXCLUDE_FROM_ALL)
if(excluded_genex)
string(APPEND content "
# ${full_target} is not built by default in the Debug configuration. Check existence.
get_target_property(_qt_imported_location ${full_target} IMPORTED_LOCATION_DEBUG)
if(NOT EXISTS \"$\{_qt_imported_location}\")
get_target_property(_qt_imported_configs ${full_target} IMPORTED_CONFIGURATIONS)
list(REMOVE_ITEM _qt_imported_configs DEBUG)
set_property(TARGET ${full_target} PROPERTY IMPORTED_CONFIGURATIONS $\{_qt_imported_configs})
set_property(TARGET ${full_target} PROPERTY IMPORTED_LOCATION_DEBUG)
endif()\n")
endif()
endif()
set(write_implib FALSE)
set(write_soname FALSE)
set(write_objects FALSE)
set(write_link_dependencies FALSE)
set(write_location TRUE)
if(target_type STREQUAL "SHARED_LIBRARY")
if(WIN32)
set(write_implib TRUE)
elseif(WASM)
# Keep write_soname at FALSE
else()
set(write_soname TRUE)
endif()
set(write_link_dependencies TRUE)
elseif(target_type STREQUAL "OBJECT_LIBRARY")
set(write_objects TRUE)
set(write_location FALSE)
endif()
if(NOT "${uc_release_cfg}" STREQUAL "")
if(write_location)
string(APPEND content "get_target_property(_qt_imported_location ${full_target} IMPORTED_LOCATION_${uc_release_cfg})\n")
endif()
if(write_implib)
string(APPEND content "get_target_property(_qt_imported_implib ${full_target} IMPORTED_IMPLIB_${uc_release_cfg})\n")
endif()
if(write_soname)
string(APPEND content "get_target_property(_qt_imported_soname ${full_target} IMPORTED_SONAME_${uc_release_cfg})\n")
endif()
if(write_link_dependencies)
string(APPEND content "get_target_property(_qt_imported_link_dependencies ${full_target} IMPORTED_LINK_DEPENDENT_LIBRARIES_${uc_release_cfg})\n")
endif()
if(write_objects)
string(APPEND content "get_target_property(_qt_imported_objects ${full_target} IMPORTED_OBJECTS_${uc_release_cfg})\n")
# We generate CLR props as well, because that's what CMake generates for object
# libraries with CMake 3.27. They are usually empty strings though, aka "".
string(APPEND content "get_target_property(_qt_imported_clr ${full_target} IMPORTED_COMMON_LANGUAGE_RUNTIME_${uc_release_cfg})\n")
endif()
endif()
if(write_location)
string(APPEND content "get_target_property(_qt_imported_location_default ${full_target} IMPORTED_LOCATION_$\{QT_DEFAULT_IMPORT_CONFIGURATION})\n")
endif()
if(write_implib)
string(APPEND content "get_target_property(_qt_imported_implib_default ${full_target} IMPORTED_IMPLIB_$\{QT_DEFAULT_IMPORT_CONFIGURATION})\n")
endif()
if(write_soname)
string(APPEND content "get_target_property(_qt_imported_soname_default ${full_target} IMPORTED_SONAME_$\{QT_DEFAULT_IMPORT_CONFIGURATION})\n")
endif()
if(write_link_dependencies)
string(APPEND content "get_target_property(_qt_imported_link_dependencies_default ${full_target} IMPORTED_LINK_DEPENDENT_LIBRARIES_$\{QT_DEFAULT_IMPORT_CONFIGURATION})\n")
endif()
if(write_objects)
string(APPEND content "get_target_property(_qt_imported_objects_default ${full_target} IMPORTED_OBJECTS_$\{QT_DEFAULT_IMPORT_CONFIGURATION})\n")
string(APPEND content "get_target_property(_qt_imported_clr_default ${full_target} IMPORTED_COMMON_LANGUAGE_RUNTIME_$\{QT_DEFAULT_IMPORT_CONFIGURATION})\n")
endif()
foreach(config ${configurations_to_export} "")
string(TOUPPER "${config}" ucconfig)
if("${config}" STREQUAL "")
set(property_suffix "")
set(var_suffix "_default")
string(APPEND content "\n# Default configuration")
else()
set(property_suffix "_${ucconfig}")
set(var_suffix "")
string(APPEND content "
# Import target \"${full_target}\" for configuration \"${config}\"
set_property(TARGET ${full_target} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${ucconfig})
")
endif()
if(write_location)
string(APPEND content "
if(_qt_imported_location${var_suffix})
set_property(TARGET ${full_target} PROPERTY IMPORTED_LOCATION${property_suffix} \"$\{_qt_imported_location${var_suffix}}\")
endif()")
endif()
if(write_implib)
string(APPEND content "
if(_qt_imported_implib${var_suffix})
set_property(TARGET ${full_target} PROPERTY IMPORTED_IMPLIB${property_suffix} \"$\{_qt_imported_implib${var_suffix}}\")
endif()")
endif()
if(write_soname)
string(APPEND content "
if(_qt_imported_soname${var_suffix})
set_property(TARGET ${full_target} PROPERTY IMPORTED_SONAME${property_suffix} \"$\{_qt_imported_soname${var_suffix}}\")
endif()")
endif()
if(write_link_dependencies)
string(APPEND content "
if(_qt_imported_link_dependencies${var_suffix})
set_property(TARGET ${full_target} PROPERTY IMPORTED_LINK_DEPENDENT_LIBRARIES${property_suffix} \"$\{_qt_imported_link_dependencies${var_suffix}}\")
endif()")
endif()
if(write_objects)
string(APPEND content "
if(_qt_imported_objects${var_suffix})
set_property(TARGET ${full_target} PROPERTY IMPORTED_OBJECTS${property_suffix} \"$\{_qt_imported_objects${var_suffix}}\")
endif()")
string(APPEND content "
if(_qt_imported_clr${var_suffix})
set_property(TARGET ${full_target} PROPERTY IMPORTED_COMMON_LANGUAGE_RUNTIME${property_suffix} \"$\{_qt_imported_clr${var_suffix}}\")
endif()")
endif()
string(APPEND content "\n")
endforeach()
endforeach()
if(properties_retrieved)
string(APPEND content "
unset(_qt_imported_location)
unset(_qt_imported_location_default)
unset(_qt_imported_soname)
unset(_qt_imported_soname_default)
unset(_qt_imported_link_dependencies)
unset(_qt_imported_link_dependencies_default)
unset(_qt_imported_objects)
unset(_qt_imported_objects_default)
unset(_qt_imported_clr)
unset(_qt_imported_clr_default)
unset(_qt_imported_configs)")
endif()
qt_path_join(output_file "${arg_CONFIG_INSTALL_DIR}"
"${arg_EXPORT_NAME_PREFIX}AdditionalTargetInfo.cmake")
if(NOT IS_ABSOLUTE "${output_file}")
qt_path_join(output_file "${QT_BUILD_DIR}" "${output_file}")
endif()
qt_configure_file(OUTPUT "${output_file}" CONTENT "${content}")
qt_install(FILES "${output_file}" DESTINATION "${arg_CONFIG_INSTALL_DIR}")
endfunction()
function(qt_internal_export_modern_cmake_config_targets_file)
cmake_parse_arguments(arg
""
"EXPORT_NAME_PREFIX;CONFIG_BUILD_DIR;CONFIG_INSTALL_DIR"
"TARGETS"
${ARGN}
)
if("${arg_TARGETS}" STREQUAL "")
message(FATAL_ERROR "Target list is empty")
endif()
if("${arg_CONFIG_BUILD_DIR}" STREQUAL "")
message(FATAL_ERROR "CONFIG_BUILD_DIR is not specified")
endif()
if("${arg_CONFIG_INSTALL_DIR}" STREQUAL "")
message(FATAL_ERROR "CONFIG_INSTALL_DIR is not specified")
endif()
if("${arg_EXPORT_NAME_PREFIX}" STREQUAL "")
message(FATAL_ERROR "EXPORT_NAME_PREFIX is not specified")
endif()
set(versionless_targets ${arg_TARGETS})
# CMake versions < 3.18 compatibility code. Creates the mimics of the versioned libraries.
set(versionless_targets_export "${arg_CONFIG_BUILD_DIR}/${arg_EXPORT_NAME_PREFIX}VersionlessTargets.cmake")
configure_file("${QT_CMAKE_DIR}/QtVersionlessTargets.cmake.in"
"${versionless_targets_export}"
@ONLY
)
# CMake versions >= 3.18 code. Create the versionless ALIAS targets.
set(alias_export "${arg_CONFIG_BUILD_DIR}/${arg_EXPORT_NAME_PREFIX}VersionlessAliasTargets.cmake")
configure_file("${QT_CMAKE_DIR}/QtVersionlessAliasTargets.cmake.in"
"${alias_export}"
@ONLY
)
qt_install(FILES
"${alias_export}"
"${versionless_targets_export}"
DESTINATION "${arg_CONFIG_INSTALL_DIR}"
COMPONENT Devel
)
endfunction()
function(qt_internal_create_tracepoints name tracepoints_file)
string(TOLOWER "${name}" provider_name)
string(PREPEND provider_name "qt")
set(header_filename "${provider_name}_tracepoints_p.h")
set(header_path "${CMAKE_CURRENT_BINARY_DIR}/${header_filename}")
if(QT_FEATURE_lttng OR QT_FEATURE_etw OR QT_FEATURE_ctf)
set(source_path "${CMAKE_CURRENT_BINARY_DIR}/${provider_name}_tracepoints.cpp")
qt_configure_file(OUTPUT "${source_path}"
CONTENT "#define TRACEPOINT_CREATE_PROBES
#define TRACEPOINT_DEFINE
#include \"${header_filename}\"")
target_sources(${name} PRIVATE "${source_path}")
target_compile_definitions(${name} PUBLIC Q_TRACEPOINT)
if(QT_FEATURE_lttng)
set(tracegen_arg "lttng")
target_link_libraries(${name} PRIVATE LTTng::UST)
elseif(QT_FEATURE_etw)
set(tracegen_arg "etw")
elseif(QT_FEATURE_ctf)
set(tracegen_arg "ctf")
endif()
if(NOT "${QT_HOST_PATH}" STREQUAL "")
qt_path_join(tracegen
"${QT_HOST_PATH}"
"${QT${PROJECT_VERSION_MAJOR}_HOST_INFO_LIBEXECDIR}"
"tracegen")
else()
set(tracegen "${QT_CMAKE_EXPORT_NAMESPACE}::tracegen")
endif()
get_filename_component(tracepoints_filepath "${tracepoints_file}" ABSOLUTE)
add_custom_command(OUTPUT "${header_path}"
COMMAND ${tracegen} ${tracegen_arg} "${tracepoints_filepath}" "${header_path}"
VERBATIM)
add_custom_target(${name}_tracepoints_header DEPENDS "${header_path}")
add_dependencies(${name} ${name}_tracepoints_header)
else()
qt_configure_file(OUTPUT "${header_path}" CONTENT "#include <private/qtrace_p.h>\n")
endif()
endfunction()
function(qt_internal_generate_tracepoints name provider)
cmake_parse_arguments(arg "" "" "SOURCES" ${ARGN} )
set(provider_name ${provider})
string(PREPEND provider_name "qt")
set(tracepoint_filename "${provider_name}.tracepoints")
set(tracepoints_path "${CMAKE_CURRENT_BINARY_DIR}/${tracepoint_filename}")
set(header_filename "${provider_name}_tracepoints_p.h")
set(header_path "${CMAKE_CURRENT_BINARY_DIR}/${header_filename}")
if(QT_FEATURE_lttng OR QT_FEATURE_etw OR QT_FEATURE_ctf)
set(absolute_file_paths "")
foreach(file IN LISTS arg_SOURCES)
get_filename_component(absolute_file ${file} ABSOLUTE)
list(APPEND absolute_file_paths ${absolute_file})
endforeach()
if(NOT "${QT_HOST_PATH}" STREQUAL "")
qt_path_join(tracepointgen
"${QT_HOST_PATH}"
"${QT${PROJECT_VERSION_MAJOR}_HOST_INFO_LIBEXECDIR}"
"tracepointgen")
else()
set(tracepointgen "${QT_CMAKE_EXPORT_NAMESPACE}::tracepointgen")
endif()
add_custom_command(OUTPUT "${tracepoints_path}"
COMMAND ${tracepointgen} ${provider_name} "${tracepoints_path}" "I$<JOIN:$<TARGET_PROPERTY:${name},INCLUDE_DIRECTORIES>,;>" ${absolute_file_paths}
DEPENDS ${absolute_file_paths}
VERBATIM)
add_custom_target(${name}_${provider_name}_tracepoints_file DEPENDS "${tracepoints_path}")
add_dependencies(${name} ${name}_${provider_name}_tracepoints_file)
set(source_path "${CMAKE_CURRENT_BINARY_DIR}/${provider_name}_tracepoints.cpp")
qt_configure_file(OUTPUT "${source_path}"
CONTENT "#define TRACEPOINT_CREATE_PROBES
#define TRACEPOINT_DEFINE
#include \"${header_filename}\"")
target_sources(${name} PRIVATE "${source_path}")
target_compile_definitions(${name} PUBLIC Q_TRACEPOINT)
if(QT_FEATURE_lttng)
set(tracegen_arg "lttng")
target_link_libraries(${name} PRIVATE LTTng::UST)
elseif(QT_FEATURE_etw)
set(tracegen_arg "etw")
elseif(QT_FEATURE_ctf)
set(tracegen_arg "ctf")
endif()
if(NOT "${QT_HOST_PATH}" STREQUAL "")
qt_path_join(tracegen
"${QT_HOST_PATH}"
"${QT${PROJECT_VERSION_MAJOR}_HOST_INFO_LIBEXECDIR}"
"tracegen")
else()
set(tracegen "${QT_CMAKE_EXPORT_NAMESPACE}::tracegen")
endif()
get_filename_component(tracepoints_filepath "${tracepoints_path}" ABSOLUTE)
add_custom_command(OUTPUT "${header_path}"
COMMAND ${tracegen} ${tracegen_arg} "${tracepoints_filepath}" "${header_path}"
DEPENDS "${tracepoints_path}"
VERBATIM)
add_custom_target(${name}_${provider_name}_tracepoints_header DEPENDS "${header_path}")
add_dependencies(${name} ${name}_${provider_name}_tracepoints_header)
else()
qt_configure_file(OUTPUT "${header_path}" CONTENT "#include <private/qtrace_p.h>\n")
endif()
endfunction()
function(qt_internal_set_compile_pdb_names target)
if(MSVC)
get_target_property(target_type ${target} TYPE)
if(target_type STREQUAL "STATIC_LIBRARY" OR target_type STREQUAL "OBJECT_LIBRARY")
get_target_property(output_name ${target} OUTPUT_NAME)
if(NOT output_name)
set(output_name "${INSTALL_CMAKE_NAMESPACE}${target}")
endif()
set_target_properties(${target} PROPERTIES COMPILE_PDB_NAME "${output_name}")
set_target_properties(${target} PROPERTIES COMPILE_PDB_NAME_DEBUG "${output_name}d")
endif()
endif()
endfunction()
# Installs pdb files for given target into the specified install dir.
#
# MSVC generates 2 types of pdb files:
# - compile-time generated pdb files (compile flag /Zi + /Fd<pdb_name>)
# - link-time generated pdb files (link flag /debug + /PDB:<pdb_name>)
#
# CMake allows changing the names of each of those pdb file types by setting
# the COMPILE_PDB_NAME_<CONFIG> and PDB_NAME_<CONFIG> properties. If they are
# left empty, CMake will compute the default names itself (or rather in certain cases
# leave it up to the compiler), without actually setting the property values.
#
# For installation purposes, CMake only provides a generator expression to the
# link time pdb file path, not the compile path one, which means we have to compute the
# path to the compile path pdb files ourselves.
# See https://gitlab.kitware.com/cmake/cmake/-/issues/18393 for details.
#
# For shared libraries and executables, we install the linker provided pdb file via the
# TARGET_PDB_FILE generator expression.
#
# For static libraries there is no linker invocation, so we need to install the compile
# time pdb file. We query the ARCHIVE_OUTPUT_DIRECTORY property of the target to get the
# path to the pdb file, and reconstruct the file name. We use a generator expression
# to append a possible debug suffix, in order to allow installation of all Release and
# Debug pdb files when using Ninja Multi-Config.
function(qt_internal_install_pdb_files target install_dir_path)
if(MSVC)
get_target_property(target_type ${target} TYPE)
if(target_type STREQUAL "EXECUTABLE")
qt_get_cmake_configurations(cmake_configs)
list(LENGTH cmake_configs all_configs_count)
list(GET cmake_configs 0 first_config)
foreach(cmake_config ${cmake_configs})
set(suffix "")
if(all_configs_count GREATER 1 AND NOT cmake_config STREQUAL first_config)
set(suffix "/${cmake_config}")
endif()
qt_install(FILES "$<TARGET_PDB_FILE:${target}>"
CONFIGURATIONS ${cmake_config}
DESTINATION "${install_dir_path}${suffix}"
OPTIONAL)
endforeach()
elseif(target_type STREQUAL "SHARED_LIBRARY"
OR target_type STREQUAL "MODULE_LIBRARY")
qt_install(FILES "$<TARGET_PDB_FILE:${target}>"
DESTINATION "${install_dir_path}"
OPTIONAL)
elseif(target_type STREQUAL "STATIC_LIBRARY")
get_target_property(lib_dir "${target}" ARCHIVE_OUTPUT_DIRECTORY)
if(NOT lib_dir)
message(FATAL_ERROR
"Can't install pdb file for static library ${target}. "
"The ARCHIVE_OUTPUT_DIRECTORY path is not known.")
endif()
get_target_property(pdb_name "${target}" COMPILE_PDB_NAME)
qt_path_join(compile_time_pdb_file_path
"${lib_dir}" "${pdb_name}$<$<CONFIG:Debug>:d>.pdb")
qt_install(FILES "${compile_time_pdb_file_path}"
DESTINATION "${install_dir_path}" OPTIONAL)
elseif(target_type STREQUAL "OBJECT_LIBRARY")
get_target_property(pdb_dir "${target}" COMPILE_PDB_OUTPUT_DIRECTORY)
if(NOT pdb_dir)
get_target_property(pdb_dir "${target}" BINARY_DIR)
if(QT_GENERATOR_IS_MULTI_CONFIG)
qt_path_join(pdb_dir "${pdb_dir}" "$<CONFIG>")
endif()
endif()
get_target_property(pdb_name "${target}" COMPILE_PDB_NAME)
qt_path_join(compile_time_pdb_file_path
"${pdb_dir}" "${pdb_name}$<$<CONFIG:Debug>:d>.pdb")
qt_install(FILES "${compile_time_pdb_file_path}"
DESTINATION "${install_dir_path}" OPTIONAL)
endif()
endif()
endfunction()
# Certain targets might have dependencies on libraries that don't have an Apple Silicon arm64
# slice. When doing a universal macOS build, force those targets to be built only for the
# Intel x86_64 arch.
# This behavior can be disabled for all targets by setting the QT_FORCE_MACOS_ALL_ARCHES cache
# variable to TRUE or by setting the target specific cache variable
# QT_FORCE_MACOS_ALL_ARCHES_${target} to TRUE.
#
# TODO: Ideally we'd use something like _apple_resolve_supported_archs_for_sdk_from_system_lib
# from CMake's codebase to parse which architectures are available in a library, but it's
# not straightforward to extract the library absolute file path from a CMake target. Furthermore
# Apple started using a built-in dynamic linker cache of all system-provided libraries as per
# https://gitlab.kitware.com/cmake/cmake/-/issues/20863
# so if the target is a library in the dynamic cache, that might further complicate how to get
# the list of arches in it.
function(qt_internal_force_macos_intel_arch target)
if(MACOS AND QT_IS_MACOS_UNIVERSAL AND NOT QT_FORCE_MACOS_ALL_ARCHES
AND NOT QT_FORCE_MACOS_ALL_ARCHES_${target})
set(arches "x86_64")
set_target_properties(${target} PROPERTIES OSX_ARCHITECTURES "${arches}")
endif()
endfunction()
function(qt_disable_apple_app_extension_api_only target)
set_target_properties("${target}" PROPERTIES QT_NO_APP_EXTENSION_ONLY_API TRUE)
endfunction()
# Common function to add Qt prefixes to the target name
function(qt_internal_qtfy_target out_var target)
set(${out_var} "Qt${target}" PARENT_SCOPE)
set(${out_var}_versioned "Qt${PROJECT_VERSION_MAJOR}${target}" PARENT_SCOPE)
endfunction()
function(qt_internal_get_main_cmake_configuration out_var)
if(CMAKE_BUILD_TYPE)
set(config "${CMAKE_BUILD_TYPE}")
elseif(QT_MULTI_CONFIG_FIRST_CONFIG)
set(config "${QT_MULTI_CONFIG_FIRST_CONFIG}")
endif()
set("${out_var}" "${config}" PARENT_SCOPE)
endfunction()
function(qt_internal_get_upper_case_main_cmake_configuration out_var)
qt_internal_get_main_cmake_configuration("${out_var}")
string(TOUPPER "${${out_var}}" upper_config)
set("${out_var}" "${upper_config}" PARENT_SCOPE)
endfunction()
function(qt_internal_adjust_main_config_runtime_output_dir target output_dir)
# When building Qt with multiple configurations, place the main configuration executable
# directly in ${output_dir}, rather than a ${output_dir}/<CONFIG> subdirectory.
qt_internal_get_upper_case_main_cmake_configuration(main_cmake_configuration)
set_target_properties("${target}" PROPERTIES
RUNTIME_OUTPUT_DIRECTORY_${main_cmake_configuration} "${output_dir}"
)
endfunction()
# Marks a target with a property that it is a library (shared or static) which was built using the
# internal Qt API (qt_internal_add_module, qt_internal_add_plugin, etc) as opposed to it being
# a user project library (qt_add_library, qt_add_plugin, etc).
#
# Needed to allow selectively applying certain flags via PlatformXInternal targets.
function(qt_internal_mark_as_internal_library target)
set_target_properties(${target} PROPERTIES _qt_is_internal_library TRUE)
set_property(TARGET "${target}" APPEND PROPERTY EXPORT_PROPERTIES "_qt_is_internal_library")
qt_internal_mark_as_internal_target(${target})
endfunction()
# Marks a target with a property that it was built using the internal Qt API (qt_internal_*) as
# opposed to it being a user project library or executable(qt_add_*, etc).
#
# Needed to allow selectively applying certain flags via PlatformXInternal targets.
function(qt_internal_mark_as_internal_target target)
set_target_properties(${target} PROPERTIES _qt_is_internal_target TRUE)
set_property(TARGET "${target}" APPEND PROPERTY EXPORT_PROPERTIES "_qt_is_internal_target")
endfunction()
# Marks a target with a property to skip it adding it as a dependency when building examples as
# ExternalProjects.
# Needed to create a ${repo}_src global target that examples can depend on in multi-config builds
# due to a bug in AUTOUIC.
#
# See QTBUG-110369.
function(qt_internal_skip_dependency_for_examples target)
set_target_properties(${target} PROPERTIES _qt_skip_dependency_for_examples TRUE)
endfunction()
function(qt_internal_is_target_skipped_for_examples target out_var)
get_property(is_skipped TARGET ${target} PROPERTY _qt_skip_dependency_for_examples)
if(NOT is_skipped)
set(is_skipped FALSE)
endif()
set(${out_var} "${is_skipped}" PARENT_SCOPE)
endfunction()
function(qt_internal_link_internal_platform_for_object_library target)
cmake_parse_arguments(arg "" "PARENT_TARGET" "" ${ARGN})
# We need to apply iOS bitcode flags to object libraries that are associated with internal
# modules or plugins (e.g. object libraries added by qt_internal_add_resource,
# qt_internal_add_plugin, etc.)
# The flags are needed when building iOS apps because Xcode expects bitcode to be
# present by default.
# Achieve this by compiling the cpp files with the PlatformModuleInternal compile flags.
target_link_libraries("${target}" PRIVATE Qt::PlatformModuleInternal)
if(arg_PARENT_TARGET AND TARGET "${arg_PARENT_TARGET}")
foreach(property QT_SKIP_WARNINGS_ARE_ERRORS _qt_internal_use_exceptions)
set_property(TARGET "${target}" PROPERTY
${property} "$<BOOL:$<TARGET_PROPERTY:${arg_PARENT_TARGET},${property}>>")
endforeach()
endif()
endfunction()
# Use ${dep_target}'s include dirs when building ${target}.
#
# Assumes ${dep_target} is an INTERFACE_LIBRARY that only propagates include dirs and ${target}
# is a Qt module / plugin.
#
# Building ${target} requires ${dep_target}'s include dirs.
# Using ${target} does not require ${dep_target}'s include dirs.
#
# The main use case is adding the private header-only dependency PkgConfig::ATSPI2.
function(qt_internal_add_target_include_dirs target dep_target)
if(NOT TARGET "${target}")
message(FATAL_ERROR "${target} is not a valid target.")
endif()
if(NOT TARGET "${dep_target}")
message(FATAL_ERROR "${dep_target} is not a valid target.")
endif()
target_include_directories("${target}" PRIVATE
"$<TARGET_PROPERTY:${dep_target},INTERFACE_INCLUDE_DIRECTORIES>")
endfunction()
# Use ${dep_target}'s include dirs when building ${target} and optionally propagate the include
# dirs to consumers of ${target}.
# Assumes ${dep_target} is an INTERFACE_LIBRARY that only propagates include dirs and ${target}
# is a Qt module / plugin.
#
# Building ${target} requires ${dep_target}'s include dirs.
#
# User projects that don't have ${dep_target}'s headers installed in their system should still
# configure successfully.
#
# To achieve that, consumers of ${target} will only get the include directories of ${dep_target}
# if the latter package and target exists.
#
# A find_package(dep_target) dependency is added to ${target}'s *Dependencies.cmake file.
#
# We use target_include_directories(PRIVATE) instead of target_link_libraries(PRIVATE) because the
# latter would propagate a mandatory LINK_ONLY dependency on the ${dep_target} in a static Qt build.
#
# The main use case is for propagating WrapVulkanHeaders::WrapVulkanHeaders.
function(qt_internal_add_target_include_dirs_and_optionally_propagate target dep_target)
qt_internal_add_target_include_dirs(${target} ${dep_target})
target_link_libraries("${target}" INTERFACE "$<TARGET_NAME_IF_EXISTS:${dep_target}>")
qt_record_extra_third_party_dependency("${target}" "${dep_target}")
endfunction()
# The function disables one or multiple internal global definitions that are defined by the
# qt_internal_add_global_definition function for a specific 'target'.
function(qt_internal_undefine_global_definition target)
if(NOT TARGET "${target}")
message(FATAL_ERROR "${target} is not a target.")
endif()
qt_internal_is_skipped_test(skipped ${target})
if(skipped)
return()
endif()
qt_internal_is_in_test_batch(in_batch ${target})
if(in_batch)
_qt_internal_test_batch_target_name(target)
endif()
if("${ARGN}" STREQUAL "")
message(FATAL_ERROR "The function expects at least one definition as an argument.")
endif()
foreach(definition IN LISTS ARGN)
set(undef_property_name "QT_INTERNAL_UNDEF_${definition}")
set_target_properties(${target} PROPERTIES "${undef_property_name}" TRUE)
endforeach()
endfunction()
# This function adds any defines which are local to the current repository (e.g. qtbase,
# qtmultimedia). Those can be defined in the corresponding .cmake.conf file via
# QT_EXTRA_INTERNAL_TARGET_DEFINES. QT_EXTRA_INTERNAL_TARGET_DEFINES accepts a list of definitions.
# The definitions are passed to target_compile_definitions, which means that values can be provided
# via the FOO=Bar syntax
# This does nothing for interface targets
function(qt_internal_add_repo_local_defines target)
get_target_property(type "${target}" TYPE)
if (${type} STREQUAL "INTERFACE_LIBRARY")
return()
endif()
if(DEFINED QT_EXTRA_INTERNAL_TARGET_DEFINES)
target_compile_definitions("${target}" PRIVATE ${QT_EXTRA_INTERNAL_TARGET_DEFINES})
endif()
endfunction()
# The function returns the value of the target's SOURCES property. The function takes into account
# the limitation of the CMake version less than 3.19, that restricts to add non-interface sources
# to an interface target.
# Note: The function works correctly only if qt_internal_extend_target is used when adding source
# files.
function(qt_internal_get_target_sources out_var target)
qt_internal_get_target_sources_property(sources_property)
get_target_property(${out_var} ${target} ${sources_property})
set(${out_var} "${${out_var}}" PARENT_SCOPE)
endfunction()
# The function distinguishes what property supposed to store target sources, based on target TYPE
# and the CMake version.
function(qt_internal_get_target_sources_property out_var)
set(${out_var} "SOURCES")
get_target_property(target_type ${target} TYPE)
if(CMAKE_VERSION VERSION_LESS "3.19" AND target_type STREQUAL "INTERFACE_LIBRARY")
set(${out_var} "_qt_internal_target_sources")
endif()
set(${out_var} "${${out_var}}" PARENT_SCOPE)
endfunction()
# This function collects target properties that contain generator expressions and needs to be
# exported. This function is needed since the CMake EXPORT_PROPERTIES property doesn't support
# properties that contain generator expressions.
# Usage: qt_internal_add_genex_properties_export(target properties...)
function(qt_internal_add_genex_properties_export target)
get_cmake_property(is_multi_config GENERATOR_IS_MULTI_CONFIG)
set(config_check_begin "")
set(config_check_end "")
if(is_multi_config)
list(GET CMAKE_CONFIGURATION_TYPES 0 first_config_type)
# The genex snippet is evaluated to '$<NOT:$<BOOL:$<CONFIG>>>' in the generated cmake file.
# The check is only applicable to the 'main' configuration. If user project doesn't use
# multi-config generator, then the check supposed to return true and the value from the
# 'main' configuration supposed to be used.
string(JOIN "" check_if_config_empty
"$<1:$><NOT:"
"$<1:$><BOOL:"
"$<1:$><CONFIG$<ANGLE-R>"
"$<ANGLE-R>"
"$<ANGLE-R>"
)
# The genex snippet is evaluated to '$<CONFIG:'Qt config type'>' in the generated cmake
# file and checks if the config that user uses matches the generated cmake file config.
string(JOIN "" check_user_config
"$<1:$><CONFIG:$<CONFIG>$<ANGLE-R>"
)
# The genex snippet is evaluated to '$<$<OR:$<CONFIG:'Qt config type'>>:'Property content'>
# for non-main Qt configs and to
# $<$<OR:$<CONFIG:'Qt config type'>,$<NOT:$<BOOL:$<CONFIG>>>>:'Property content'> for the
# main Qt config. This guard is required to choose the correct value of the property for the
# user project according to the user config type.
# All genexes need to be escaped properly to protect them from evaluation by the
# file(GENERATE call in the qt_internal_export_genex_properties function.
string(JOIN "" config_check_begin
"$<1:$><"
"$<1:$><OR:"
"${check_user_config}"
"$<$<CONFIG:${first_config_type}>:$<COMMA>${check_if_config_empty}>"
"$<ANGLE-R>:"
)
set(config_check_end "$<ANGLE-R>")
endif()
set(target_name "${QT_CMAKE_EXPORT_NAMESPACE}::${target}")
foreach(property IN LISTS ARGN)
set(target_property_genex "$<TARGET_PROPERTY:${target_name},${property}>")
# All properties that contain lists need to be protected of processing by JOIN genex calls.
# So this escapes the semicolons for these list.
set(target_property_list_escape
"$<JOIN:$<GENEX_EVAL:${target_property_genex}>,\;>")
set(property_value
"\"${config_check_begin}${target_property_list_escape}${config_check_end}\"")
set_property(TARGET ${target} APPEND PROPERTY _qt_export_genex_properties_content
"${property} ${property_value}")
endforeach()
endfunction()
# This function executes generator expressions for the properties that are added by the
# qt_internal_add_genex_properties_export function and sets the calculated values to the
# corresponding properties in the generated ExtraProperties.cmake file. The file then needs to be
# included after the target creation routines in Config.cmake files. It also supports Multi-Config
# builds.
# Arguments:
# EXPORT_NAME_PREFIX:
# The portion of the file name before ExtraProperties.cmake
# CONFIG_INSTALL_DIR:
# Installation location for the file.
# TARGETS:
# The internal target names.
function(qt_internal_export_genex_properties)
set(option_args "")
set(single_args
EXPORT_NAME_PREFIX
CONFIG_INSTALL_DIR
)
set(multi_args TARGETS)
cmake_parse_arguments(arg "${option_args}" "${single_args}" "${multi_args}" ${ARGN})
if(NOT arg_EXPORT_NAME_PREFIX)
message(FATAL_ERROR "qt_internal_export_genex_properties: "
"Missing EXPORT_NAME_PREFIX argument.")
endif()
if(NOT arg_TARGETS)
message(FATAL_ERROR "qt_internal_export_genex_properties: "
"TARGETS argument must contain at least one target")
endif()
foreach(target IN LISTS arg_TARGETS)
get_cmake_property(is_multi_config GENERATOR_IS_MULTI_CONFIG)
set(output_file_base_name "${arg_EXPORT_NAME_PREFIX}ExtraProperties")
set(should_append "")
set(config_suffix "")
if(is_multi_config)
list(GET CMAKE_CONFIGURATION_TYPES 0 first_config_type)
set(config_suffix "$<$<NOT:$<CONFIG:${first_config_type}>>:-$<CONFIG>>")
# If the generated file belongs to the 'main' config type, we should set property
# but not append it.
string(JOIN "" should_append
"$<$<NOT:$<CONFIG:${first_config_type}>>: APPEND>")
endif()
set(file_name "${output_file_base_name}${config_suffix}.cmake")
qt_path_join(output_file "${arg_CONFIG_INSTALL_DIR}"
"${file_name}")
if(NOT IS_ABSOLUTE "${output_file}")
qt_path_join(output_file "${QT_BUILD_DIR}" "${output_file}")
endif()
set(target_name "${QT_CMAKE_EXPORT_NAMESPACE}::${target}")
string(JOIN "" set_property_begin "set_property(TARGET "
"${target_name}${should_append} PROPERTY "
)
set(set_property_end ")")
set(set_property_glue "${set_property_end}\n${set_property_begin}")
set(property_list
"$<GENEX_EVAL:$<TARGET_PROPERTY:${target},_qt_export_genex_properties_content>>")
string(JOIN "" set_property_content "${set_property_begin}"
"$<JOIN:${property_list},${set_property_glue}>"
"${set_property_end}")
if(is_multi_config)
set(config_includes "")
foreach(config IN LISTS CMAKE_CONFIGURATION_TYPES)
if(NOT first_config_type STREQUAL config)
set(include_file_name
"${output_file_base_name}-${config}.cmake")
list(APPEND config_includes
"include(\"\${CMAKE_CURRENT_LIST_DIR}/${include_file_name}\")")
endif()
endforeach()
list(JOIN config_includes "\n" config_includes_string)
set(config_includes_string
"\n$<$<CONFIG:${first_config_type}>:${config_includes_string}>")
endif()
file(GENERATE OUTPUT "${output_file}"
CONTENT "$<$<BOOL:${property_list}>:${set_property_content}${config_includes_string}>"
CONDITION "$<BOOL:${property_list}>"
)
endforeach()
qt_install(FILES "$<$<BOOL:${property_list}>:${output_file}>"
DESTINATION "${arg_CONFIG_INSTALL_DIR}"
COMPONENT Devel
)
endfunction()
# A small wrapper for adding the Platform target, and a building block for the PlatformXInternal
# and GlobalConfig INTERFACE targets to apply common options.
function(qt_internal_add_platform_target target)
_qt_internal_add_library("${target}" INTERFACE)
qt_internal_add_target_aliases("${target}")
# The platform targets should never be promoted to global via the
# _qt_internal_promote_3rd_party_target_to_global command.
set_property(TARGET "${target}" PROPERTY _qt_should_skip_3rd_party_global_promotion TRUE)
set_property(TARGET "${target}" APPEND PROPERTY EXPORT_PROPERTIES
"_qt_should_skip_3rd_party_global_promotion")
endfunction()
# A small wrapper for adding the PlatformXInternal and GlobalConfig INTERFACE targets to apply
# common options.
# They can't be added via qt_internal_add_module, because it automatically links to the
# PlatformInternal targets creating a cyclic dependency.
function(qt_internal_add_platform_internal_target target)
qt_internal_add_platform_target("${target}")
qt_internal_mark_as_internal_library("${target}")
qt_internal_add_sbom("${target}"
TYPE QT_MODULE
IMMEDIATE_FINALIZATION
)
endfunction()
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