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QtModuleHelpers.cmake
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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
macro(qt_internal_get_internal_add_module_keywords option_args single_args multi_args)
set(${option_args}
STATIC
EXCEPTIONS
INTERNAL_MODULE
HEADER_MODULE
DISABLE_TOOLS_EXPORT
SKIP_DEPENDS_INCLUDE
NO_MODULE_HEADERS
NO_SYNC_QT
NO_PRIVATE_MODULE
NO_CONFIG_HEADER_FILE
NO_ADDITIONAL_TARGET_INFO
NO_GENERATE_METATYPES
NO_HEADERSCLEAN_CHECK
NO_GENERATE_CPP_EXPORTS
NO_UNITY_BUILD
${__qt_internal_sbom_optional_args}
)
set(${single_args}
MODULE_INCLUDE_NAME
MODULE_INTERFACE_NAME
CONFIG_MODULE_NAME
PRECOMPILED_HEADER
CONFIGURE_FILE_PATH
CPP_EXPORT_HEADER_BASE_NAME
EXTERNAL_HEADERS_DIR
PRIVATE_HEADER_FILTERS
QPA_HEADER_FILTERS
RHI_HEADER_FILTERS
SSG_HEADER_FILTERS
HEADER_SYNC_SOURCE_DIRECTORY
${__default_target_info_args}
${__qt_internal_sbom_single_args}
)
set(${multi_args}
QMAKE_MODULE_CONFIG
EXTRA_CMAKE_FILES
EXTRA_CMAKE_INCLUDES
EXTERNAL_HEADERS
POLICIES
${__default_private_args}
${__default_public_args}
${__default_private_module_args}
${__qt_internal_sbom_multi_args}
)
endmacro()
# The function helps to wrap module include paths with the header existence check.
function(qt_internal_append_include_directories_with_headers_check target list_to_append type)
string(TOLOWER "${type}" type)
string(JOIN "" has_headers_check
"$<BOOL:"
"$<TARGET_PROPERTY:"
"$<TARGET_NAME:${target}>,"
"_qt_module_has_${type}_headers"
">"
">"
)
foreach(directory IN LISTS ARGN)
list(APPEND ${list_to_append}
"$<${has_headers_check}:${directory}>")
endforeach()
set(${list_to_append} "${${list_to_append}}" PARENT_SCOPE)
endfunction()
# This is the main entry function for creating a Qt module, that typically
# consists of a library, public header files, private header files and configurable
# features.
#
# A CMake target with the specified target parameter is created. If the current source
# directory has a configure.cmake file, then that is also processed for feature definition
# and testing. Any features defined as well as any features coming from dependencies to
# this module are imported into the scope of the calling feature.
#
# Target is without leading "Qt". So e.g. the "QtCore" module has the target "Core".
#
# Options:
# NO_ADDITIONAL_TARGET_INFO
# Don't generate a Qt6*AdditionalTargetInfo.cmake file.
# The caller is responsible for creating one.
#
# MODULE_INTERFACE_NAME
# The custom name of the module interface. This name is used as a part of the include paths
# associated with the module and other interface names. The default value is the target name.
# If the INTERNAL_MODULE option is specified, MODULE_INTERFACE_NAME is not specified and the
# target name ends with the suffix 'Private', the MODULE_INTERFACE_NAME value defaults to the
# non-suffixed target name, e.g.:
# For the SomeInternalModulePrivate target, the MODULE_INTERFACE_NAME will be
# SomeInternalModule
#
# HEADER_MODULE
# Creates an interface library instead of following the Qt configuration default. Mutually
# exclusive with STATIC.
#
# STATIC
# Creates a static library instead of following the Qt configuration default. Mutually
# exclusive with HEADER_MODULE.
#
# EXTERNAL_HEADERS
# A explicit list of non qt headers (like 3rdparty) to be installed.
# Note this option overrides install headers used as PUBLIC_HEADER by cmake install(TARGET)
# otherwise set by syncqt.
#
# EXTERNAL_HEADERS_DIR
# A module directory with non qt headers (like 3rdparty) to be installed.
# Note this option overrides install headers used as PUBLIC_HEADER by cmake install(TARGET)
# otherwise set by syncqt.
#
# PRIVATE_HEADER_FILTERS
# The regular expressions that filter private header files out of target sources.
# The value must use the following format 'regex1|regex2|regex3'.
#
# QPA_HEADER_FILTERS
# The regular expressions that filter QPA header files out of target sources.
# The value must use the following format 'regex1|regex2|regex3'.
#
# RHI_HEADER_FILTERS
# The regular expressions that filter RHI header files out of target sources.
# The value must use the following format 'regex1|regex2|regex3'.
#
# SSG_HEADER_FILTERS
# The regular expressions that filter ssg header files out of target sources.
# The value must use the following format 'regex1|regex2|regex3'.
#
# HEADER_SYNC_SOURCE_DIRECTORY
# The source directory for header sync procedure. Header files outside this directory will be
# ignored by syncqt. The specifying this directory allows to skip the parsing of the whole
# CMAKE_CURRENT_SOURCE_DIR for the header files that needs to be synced and only parse the
# single subdirectory, that meanwhile can be outside the CMAKE_CURRENT_SOURCE_DIR tree.
function(qt_internal_add_module target)
qt_internal_get_internal_add_module_keywords(
module_option_args
module_single_args
module_multi_args
)
cmake_parse_arguments(PARSE_ARGV 1 arg
"${module_option_args}"
"${module_single_args}"
"${module_multi_args}"
)
_qt_internal_validate_all_args_are_parsed(arg)
set(is_internal_module FALSE)
if(arg_INTERNAL_MODULE)
set(is_internal_module TRUE)
set(arg_INTERNAL_MODULE "INTERNAL_MODULE")
set(arg_NO_PRIVATE_MODULE TRUE)
# Assume the interface name of the internal module should be the module name without the
# 'Private' suffix.
if(NOT arg_MODULE_INTERFACE_NAME)
if(target MATCHES "(.*)Private$")
set(arg_MODULE_INTERFACE_NAME "${CMAKE_MATCH_1}")
else()
message(WARNING "The internal module target should end with the 'Private' suffix.")
endif()
endif()
else()
unset(arg_INTERNAL_MODULE)
endif()
if(NOT arg_MODULE_INTERFACE_NAME)
set(arg_MODULE_INTERFACE_NAME "${target}")
endif()
### Define Targets:
if(arg_HEADER_MODULE)
set(type_to_create INTERFACE)
elseif(arg_STATIC)
set(type_to_create STATIC)
else()
# Use default depending on Qt configuration.
set(type_to_create "")
endif()
_qt_internal_add_library("${target}" ${type_to_create})
qt_internal_mark_as_internal_library("${target}")
get_target_property(target_type ${target} TYPE)
set(is_interface_lib 0)
set(is_shared_lib 0)
set(is_static_lib 0)
if(target_type STREQUAL "INTERFACE_LIBRARY")
set(is_interface_lib 1)
elseif(target_type STREQUAL "STATIC_LIBRARY")
set(is_static_lib 1)
elseif(target_type STREQUAL "SHARED_LIBRARY")
set(is_shared_lib 1)
else()
message(FATAL_ERROR "Invalid target type '${target_type}' for Qt module '${target}'")
endif()
if(NOT arg_NO_SYNC_QT AND NOT arg_NO_MODULE_HEADERS AND arg_MODULE_INCLUDE_NAME)
# qt_internal_module_info uses this property if it's set, so it must be
# specified before the qt_internal_module_info call.
set_target_properties(${target} PROPERTIES
_qt_module_include_name ${arg_MODULE_INCLUDE_NAME}
)
endif()
set_target_properties(${target} PROPERTIES
_qt_module_interface_name "${arg_MODULE_INTERFACE_NAME}"
_qt_package_version "${PROJECT_VERSION}"
_qt_package_name "${INSTALL_CMAKE_NAMESPACE}${target}"
)
set(export_properties
"_qt_module_interface_name"
"_qt_package_version"
"_qt_package_name"
)
if(NOT is_internal_module)
set_target_properties(${target} PROPERTIES
_qt_is_public_module TRUE
)
list(APPEND export_properties
"_qt_is_public_module"
)
if(NOT ${arg_NO_PRIVATE_MODULE})
set_target_properties(${target} PROPERTIES
_qt_private_module_target_name "${target}Private"
)
list(APPEND export_properties
"_qt_private_module_target_name"
)
endif()
endif()
set_property(TARGET ${target} APPEND PROPERTY EXPORT_PROPERTIES "${export_properties}")
qt_internal_module_info(module "${target}")
qt_internal_add_qt_repo_known_module("${target}")
if(arg_INTERNAL_MODULE)
set_target_properties(${target} PROPERTIES _qt_is_internal_module TRUE)
set_property(TARGET ${target} APPEND PROPERTY EXPORT_PROPERTIES _qt_is_internal_module)
endif()
if(arg_HEADER_MODULE)
set_target_properties(${target} PROPERTIES _qt_is_header_module TRUE)
set_property(TARGET ${target} APPEND PROPERTY EXPORT_PROPERTIES _qt_is_header_module)
endif()
if(NOT arg_CONFIG_MODULE_NAME)
set(arg_CONFIG_MODULE_NAME "${module_lower}")
endif()
set(module_config_header "qt${arg_CONFIG_MODULE_NAME}-config.h")
set(module_config_private_header "qt${arg_CONFIG_MODULE_NAME}-config_p.h")
# qt<module>-config.h/-config_p.h header files are not marked as GENERATED automatically
# for old CMake versions. Set the property explicitly here.
set_source_files_properties("${module_config_header}" "${module_config_private_header}"
PROPERTIES
GENERATED TRUE
SKIP_AUTOGEN TRUE
)
# Module define needs to take into account the config module name.
string(TOUPPER "${arg_CONFIG_MODULE_NAME}" module_define_infix)
string(REPLACE "-" "_" module_define_infix "${module_define_infix}")
string(REPLACE "." "_" module_define_infix "${module_define_infix}")
set(property_prefix "INTERFACE_")
if(NOT arg_HEADER_MODULE)
set(property_prefix "")
endif()
if(arg_INTERNAL_MODULE)
string(APPEND arg_CONFIG_MODULE_NAME "_private")
endif()
set_target_properties(${target} PROPERTIES
_qt_config_module_name "${arg_CONFIG_MODULE_NAME}"
${property_prefix}QT_QMAKE_MODULE_CONFIG "${arg_QMAKE_MODULE_CONFIG}")
set_property(TARGET "${target}" APPEND PROPERTY EXPORT_PROPERTIES _qt_config_module_name)
set(is_framework 0)
if(QT_FEATURE_framework AND NOT ${arg_HEADER_MODULE} AND NOT ${arg_STATIC})
set(is_framework 1)
set_target_properties(${target} PROPERTIES
FRAMEWORK TRUE
FRAMEWORK_VERSION "A" # Not based on Qt major version
MACOSX_FRAMEWORK_IDENTIFIER org.qt-project.${module}
MACOSX_FRAMEWORK_BUNDLE_VERSION ${PROJECT_VERSION}
MACOSX_FRAMEWORK_SHORT_VERSION_STRING ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}
)
qt_internal_get_framework_info(fw ${target})
endif()
if(NOT QT_FEATURE_no_direct_extern_access AND QT_FEATURE_reduce_relocations AND
UNIX AND NOT is_interface_lib)
# On x86 and x86-64 systems with ELF binaries (especially Linux), due to
# a new optimization in GCC 5.x in combination with a recent version of
# GNU binutils, compiling Qt applications with -fPIE is no longer
# enough.
# Applications now need to be compiled with the -fPIC option if the Qt option
# \"reduce relocations\" is active.
target_compile_options(${target} INTERFACE -fPIC)
if(GCC AND is_shared_lib)
target_link_options(${target} PRIVATE LINKER:-Bsymbolic-functions)
endif()
endif()
if((FEATURE_ltcg OR CMAKE_INTERPROCEDURAL_OPTIMIZATION) AND GCC AND is_static_lib)
# CMake <= 3.19 appends -fno-fat-lto-objects for all library types if
# CMAKE_INTERPROCEDURAL_OPTIMIZATION is enabled. Static libraries need
# the opposite compiler option.
# (https://gitlab.kitware.com/cmake/cmake/-/issues/21696)
target_compile_options(${target} PRIVATE -ffat-lto-objects)
endif()
qt_internal_add_target_aliases("${target}")
qt_internal_default_warnings_are_errors("${target}")
# No need to compile Q_IMPORT_PLUGIN-containing files for non-executables.
if(is_static_lib)
_qt_internal_disable_static_default_plugins("${target}")
endif()
# Add _private target to link against the private headers:
set(target_private "${target}Private")
if(NOT ${arg_NO_PRIVATE_MODULE})
add_library("${target_private}" INTERFACE)
qt_internal_add_target_aliases("${target_private}")
set_target_properties(${target_private} PROPERTIES
_qt_config_module_name ${arg_CONFIG_MODULE_NAME}_private
_qt_package_version "${PROJECT_VERSION}"
_qt_package_name "${INSTALL_CMAKE_NAMESPACE}${target}"
_qt_is_private_module TRUE
_qt_public_module_target_name "${target}"
)
set(export_properties
"_qt_config_module_name"
"_qt_package_version"
"_qt_package_name"
"_qt_is_private_module"
"_qt_public_module_target_name"
)
set_property(TARGET "${target_private}" APPEND PROPERTY
EXPORT_PROPERTIES "${export_properties}")
# Let find_package(Qt6FooPrivate) also find_package(Qt6Foo).
qt_internal_register_target_dependencies("${target_private}" PUBLIC "Qt::${target}")
endif()
# FIXME: This workaround is needed because the deployment logic
# for iOS and WASM just copies/embeds the directly linked library,
# which will just be a versioned symlink to the actual library.
if((UIKIT OR WASM) AND BUILD_SHARED_LIBS)
set(version_args "")
else()
set(version_args
VERSION ${PROJECT_VERSION}
SOVERSION ${PROJECT_VERSION_MAJOR})
endif()
if(NOT arg_HEADER_MODULE)
set_target_properties(${target} PROPERTIES
LIBRARY_OUTPUT_DIRECTORY "${QT_BUILD_DIR}/${INSTALL_LIBDIR}"
RUNTIME_OUTPUT_DIRECTORY "${QT_BUILD_DIR}/${INSTALL_BINDIR}"
ARCHIVE_OUTPUT_DIRECTORY "${QT_BUILD_DIR}/${INSTALL_LIBDIR}"
${version_args}
)
qt_set_target_info_properties(${target} ${ARGN})
qt_handle_multi_config_output_dirs("${target}")
if(NOT BUILD_SHARED_LIBS AND (LINUX OR VXWORKS))
# Horrible workaround for static build failures due to incorrect static library link
# order. By increasing the multiplicity to 3, each library cycle will be repeated
# 3 times on the link line, reducing the probability of undefined symbols at
# link time.
# These failures are only observed on Linux with the ld linker (not sure about
# ld.gold).
# Allow opting out and modifying the value via cache value, in case if we urgently
# need to increase it without waiting for the qtbase change to propagate to
# other dependent repos.
# The proper fix will be to get rid of the cycles in the future.
# See QTBUG-83498 for details.
set(default_link_cycle_multiplicity "3")
if(DEFINED QT_LINK_CYCLE_MULTIPLICITY)
set(default_link_cycle_multiplicity "${QT_LINK_CYCLE_MULTIPLICITY}")
endif()
if(default_link_cycle_multiplicity)
set_property(TARGET "${target}"
PROPERTY
LINK_INTERFACE_MULTIPLICITY "${default_link_cycle_multiplicity}")
endif()
endif()
if (arg_SKIP_DEPENDS_INCLUDE)
set_target_properties(${target} PROPERTIES _qt_module_skip_depends_include TRUE)
set_property(TARGET "${target}" APPEND PROPERTY
EXPORT_PROPERTIES _qt_module_skip_depends_include)
endif()
if(is_framework)
set_target_properties(${target} PROPERTIES
OUTPUT_NAME ${fw_name}
)
else()
set_target_properties(${target} PROPERTIES
OUTPUT_NAME "${INSTALL_CMAKE_NAMESPACE}${module_interface_name}${QT_LIBINFIX}"
)
endif()
qt_set_common_target_properties(${target})
if (WIN32 AND BUILD_SHARED_LIBS)
_qt_internal_generate_win32_rc_file(${target})
endif()
endif()
# Module headers:
set_property(TARGET "${target}" APPEND PROPERTY EXPORT_PROPERTIES _qt_module_has_headers)
if(${arg_NO_MODULE_HEADERS} OR ${arg_NO_SYNC_QT})
set_target_properties("${target}" PROPERTIES
_qt_module_has_headers OFF)
else()
set_property(TARGET ${target} APPEND PROPERTY EXPORT_PROPERTIES _qt_module_include_name)
set_target_properties("${target}" PROPERTIES
_qt_module_include_name "${module_include_name}"
_qt_module_has_headers ON
)
set(sync_source_directory "${CMAKE_CURRENT_SOURCE_DIR}")
if(arg_HEADER_SYNC_SOURCE_DIRECTORY)
set(sync_source_directory "${arg_HEADER_SYNC_SOURCE_DIRECTORY}")
endif()
set_target_properties(${target} PROPERTIES
_qt_sync_source_directory "${sync_source_directory}")
# We should not generate export headers if module is defined as pure STATIC.
# Static libraries don't need to export their symbols, and corner cases when sources are
# also used in shared libraries, should be handled manually.
if(NOT arg_NO_GENERATE_CPP_EXPORTS AND NOT arg_STATIC AND NOT arg_HEADER_MODULE)
if(arg_CPP_EXPORT_HEADER_BASE_NAME)
set(cpp_export_header_base_name
"CPP_EXPORT_HEADER_BASE_NAME;${arg_CPP_EXPORT_HEADER_BASE_NAME}"
)
endif()
qt_internal_generate_cpp_global_exports(${target} ${module_define_infix}
"${cpp_export_header_base_name}"
)
endif()
set(module_depends_header
"${module_build_interface_include_dir}/${module_include_name}Depends")
set_source_files_properties("${module_depends_header}" PROPERTIES GENERATED TRUE)
set_target_properties(${target} PROPERTIES _qt_module_depends_header
"${module_depends_header}")
if(NOT arg_HEADER_MODULE)
set(module_header "${module_build_interface_include_dir}/${module_include_name}")
set_property(TARGET "${target}" PROPERTY MODULE_HEADER
"${module_header}")
endif()
set(qpa_filter_regex "")
if(arg_QPA_HEADER_FILTERS)
set(qpa_filter_regex "${arg_QPA_HEADER_FILTERS}")
endif()
set_target_properties(${target}
PROPERTIES _qt_module_qpa_headers_filter_regex "${qpa_filter_regex}")
set(rhi_filter_regex "")
if(arg_RHI_HEADER_FILTERS)
set(rhi_filter_regex "${arg_RHI_HEADER_FILTERS}")
endif()
set_target_properties(${target}
PROPERTIES _qt_module_rhi_headers_filter_regex "${rhi_filter_regex}")
set(ssg_filter_regex "")
if(arg_SSG_HEADER_FILTERS)
set(ssg_filter_regex "${arg_SSG_HEADER_FILTERS}")
endif()
set_target_properties(${target}
PROPERTIES _qt_module_ssg_headers_filter_regex "${ssg_filter_regex}")
set(private_filter_regex ".+_p(ch)?\\.h")
if(arg_PRIVATE_HEADER_FILTERS)
set(private_filter_regex "${private_filter_regex}|${arg_PRIVATE_HEADER_FILTERS}")
endif()
set_target_properties(${target}
PROPERTIES _qt_module_private_headers_filter_regex "${private_filter_regex}")
# If EXTERNAL_HEADERS_DIR is set we install the specified directory and keep the structure
# without taking into the account the CMake source tree and syncqt outputs.
if(arg_EXTERNAL_HEADERS_DIR)
set_property(TARGET ${target}
PROPERTY _qt_external_headers_dir "${arg_EXTERNAL_HEADERS_DIR}")
qt_install(DIRECTORY "${arg_EXTERNAL_HEADERS_DIR}/"
DESTINATION "${module_install_interface_include_dir}"
)
endif()
endif()
if(arg_NO_HEADERSCLEAN_CHECK OR arg_NO_MODULE_HEADERS OR arg_NO_SYNC_QT
OR NOT INPUT_headersclean)
set_target_properties("${target}" PROPERTIES _qt_no_headersclean_check ON)
endif()
if(NOT arg_HEADER_MODULE)
# Plugin types associated to a module
if(NOT "x${arg_PLUGIN_TYPES}" STREQUAL "x")
qt_internal_add_plugin_types("${target}" "${arg_PLUGIN_TYPES}")
# Ensure that QT_PLUGIN_TARGETS is a known transitive compile property. Works with CMake
# versions >= 3.30.
_qt_internal_add_transitive_property(${target} COMPILE QT_PLUGIN_TARGETS)
endif()
endif()
if(NOT arg_HEADER_MODULE)
qt_autogen_tools_initial_setup(${target})
endif()
set(private_includes
"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
"$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>"
${arg_INCLUDE_DIRECTORIES}
)
set(public_includes "")
set(public_headers_list "public_includes")
if(is_framework)
set(public_headers_list "private_includes")
endif()
# Make sure the BUILD_INTERFACE include paths come before the framework headers, so that the
# the compiler prefers the build dir includes.
#
# Make sure to add non-framework "build_dir/include" as an include path for moc to find the
# currently built module headers. qmake does this too.
# Framework-style include paths are found by moc when cmQtAutoMocUic.cxx detects frameworks by
# looking at an include path and detecting a "QtFoo.framework/Headers" path.
# Make sure to create such paths for both the the BUILD_INTERFACE and the INSTALL_INTERFACE.
#
# Only add syncqt headers if they exist.
# This handles cases like QmlDevToolsPrivate which do not have their own headers, but borrow
# them from another module.
if(NOT arg_NO_SYNC_QT AND NOT arg_NO_MODULE_HEADERS)
# Don't include private headers unless they exist, aka syncqt created them.
qt_internal_append_include_directories_with_headers_check(${target}
private_includes PRIVATE
"$<BUILD_INTERFACE:${module_build_interface_versioned_include_dir}>"
"$<BUILD_INTERFACE:${module_build_interface_versioned_inner_include_dir}>"
)
list(APPEND public_includes
# For the syncqt headers
"$<BUILD_INTERFACE:${repo_build_interface_include_dir}>"
"$<BUILD_INTERFACE:${module_build_interface_include_dir}>")
endif()
if(is_framework)
set(fw_install_dir "${INSTALL_LIBDIR}/${fw_dir}")
set(fw_install_header_dir "${INSTALL_LIBDIR}/${fw_header_dir}")
set(fw_output_header_dir "${QT_BUILD_DIR}/${fw_install_header_dir}")
list(APPEND public_includes
# Add the framework Headers subdir, so that non-framework-style includes work. The
# BUILD_INTERFACE Headers symlink was previously claimed not to exist at the relevant
# time, and a fully specified Header path was used instead. This doesn't seem to be a
# problem anymore.
"$<BUILD_INTERFACE:${fw_output_header_dir}>"
"$<INSTALL_INTERFACE:${fw_install_header_dir}>"
# Add the lib/Foo.framework dir as an include path to let CMake generate
# the -F compiler flag for framework-style includes to work.
# Make sure it is added AFTER the lib/Foo.framework/Headers include path,
# to mitigate issues like QTBUG-101718 and QTBUG-101775 where an include like
# #include <QtCore> might cause moc to include the QtCore framework shared library
# instead of the actual header.
"$<INSTALL_INTERFACE:${fw_install_dir}>"
)
endif()
if(NOT arg_NO_MODULE_HEADERS AND NOT arg_NO_SYNC_QT)
# For the syncqt headers
list(APPEND ${public_headers_list}
"$<INSTALL_INTERFACE:${module_install_interface_include_dir}>")
# To support finding Qt module includes that are not installed into the main Qt prefix.
# Use case: A Qt module built by Conan installed into a prefix other than the main prefix.
# This does duplicate the include path set on Qt6::Platform target, but CMake is smart
# enough to deduplicate the include paths on the command line.
# Frameworks are automatically handled by CMake in cmLocalGenerator::GetIncludeFlags()
# by additionally passing the 'QtFoo.framework/..' dir with an -iframework argument.
list(APPEND ${public_headers_list} "$<INSTALL_INTERFACE:${INSTALL_INCLUDEDIR}>")
endif()
list(APPEND ${public_headers_list} ${arg_PUBLIC_INCLUDE_DIRECTORIES})
set(defines_for_extend_target "")
if(NOT arg_HEADER_MODULE)
list(APPEND defines_for_extend_target
QT_NO_CAST_TO_ASCII QT_ASCII_CAST_WARNINGS
QT_MOC_COMPAT #we don't need warnings from calling moc code in our generated code
QT_DEPRECATED_WARNINGS
QT_BUILDING_QT
QT_BUILD_${module_define_infix}_LIB ### FIXME: use QT_BUILD_ADDON for Add-ons or remove if we don't have add-ons anymore
${deprecation_define}
)
list(APPEND arg_LIBRARIES Qt::PlatformModuleInternal)
endif()
qt_internal_add_repo_local_defines("${target}")
if(arg_NO_UNITY_BUILD)
set(arg_NO_UNITY_BUILD "NO_UNITY_BUILD")
else()
set(arg_NO_UNITY_BUILD "")
endif()
if(NOT arg_EXTERNAL_HEADERS)
set(arg_EXTERNAL_HEADERS "")
endif()
_qt_internal_forward_function_args(
FORWARD_PREFIX arg
FORWARD_OUT_VAR extend_target_args
FORWARD_SINGLE
PRECOMPILED_HEADER
)
qt_internal_extend_target("${target}"
${arg_NO_UNITY_BUILD}
SOURCES
${arg_SOURCES}
${arg_EXTERNAL_HEADERS}
NO_UNITY_BUILD_SOURCES
${arg_NO_UNITY_BUILD_SOURCES}
INCLUDE_DIRECTORIES
${private_includes}
SYSTEM_INCLUDE_DIRECTORIES
${arg_SYSTEM_INCLUDE_DIRECTORIES}
PUBLIC_INCLUDE_DIRECTORIES
${public_includes}
PUBLIC_DEFINES
${arg_PUBLIC_DEFINES}
DEFINES
${arg_DEFINES}
${defines_for_extend_target}
PUBLIC_LIBRARIES ${arg_PUBLIC_LIBRARIES}
LIBRARIES ${arg_LIBRARIES}
PRIVATE_MODULE_INTERFACE ${arg_PRIVATE_MODULE_INTERFACE}
FEATURE_DEPENDENCIES ${arg_FEATURE_DEPENDENCIES}
DBUS_ADAPTOR_SOURCES ${arg_DBUS_ADAPTOR_SOURCES}
DBUS_ADAPTOR_FLAGS ${arg_DBUS_ADAPTOR_FLAGS}
DBUS_INTERFACE_SOURCES ${arg_DBUS_INTERFACE_SOURCES}
DBUS_INTERFACE_FLAGS ${arg_DBUS_INTERFACE_FLAGS}
COMPILE_OPTIONS ${arg_COMPILE_OPTIONS}
PUBLIC_COMPILE_OPTIONS ${arg_PUBLIC_COMPILE_OPTIONS}
LINK_OPTIONS ${arg_LINK_OPTIONS}
PUBLIC_LINK_OPTIONS ${arg_PUBLIC_LINK_OPTIONS}
MOC_OPTIONS ${arg_MOC_OPTIONS}
ENABLE_AUTOGEN_TOOLS ${arg_ENABLE_AUTOGEN_TOOLS}
DISABLE_AUTOGEN_TOOLS ${arg_DISABLE_AUTOGEN_TOOLS}
NO_PCH_SOURCES ${arg_NO_PCH_SOURCES}
${extend_target_args}
)
# The public module define is not meant to be used when building the module itself,
# it's only meant to be used for consumers of the module,
# thus we can't use qt_internal_extend_target()'s PUBLIC_DEFINES option.
target_compile_definitions(${target} INTERFACE QT_${module_define_infix}_LIB)
if(NOT DEFINED arg_EXCEPTIONS)
qt_internal_set_exceptions_flags("${target}" "DEFAULT")
else()
qt_internal_set_exceptions_flags("${target}" "${arg_EXCEPTIONS}")
endif()
set(configureFile "${CMAKE_CURRENT_SOURCE_DIR}/configure.cmake")
if(arg_CONFIGURE_FILE_PATH)
set(configureFile "${arg_CONFIGURE_FILE_PATH}")
endif()
if(EXISTS "${configureFile}" AND NOT arg_NO_CONFIG_HEADER_FILE)
qt_feature_module_begin(
LIBRARY "${target}"
PUBLIC_FILE "${module_config_header}"
PRIVATE_FILE "${module_config_private_header}"
PUBLIC_DEPENDENCIES ${arg_FEATURE_DEPENDENCIES}
PRIVATE_DEPENDENCIES ${arg_FEATURE_DEPENDENCIES}
)
include(${configureFile})
qt_feature_module_end("${target}")
qt_internal_extend_target("${target}"
SOURCES
"${CMAKE_CURRENT_BINARY_DIR}/${module_config_header}"
"${CMAKE_CURRENT_BINARY_DIR}/${module_config_private_header}"
)
endif()
# Handle creation of cmake files for consumers of find_package().
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} ${path_suffix})
if(NOT arg_NO_PRIVATE_MODULE)
set(path_suffix "${INSTALL_CMAKE_NAMESPACE}${target_private}")
qt_path_join(private_config_build_dir ${QT_CONFIG_BUILD_DIR} ${path_suffix})
qt_path_join(private_config_install_dir ${QT_CONFIG_INSTALL_DIR} ${path_suffix})
endif()
unset(path_suffix)
set(extra_cmake_files)
set(extra_cmake_includes)
if (EXISTS "${CMAKE_CURRENT_LIST_DIR}/${INSTALL_CMAKE_NAMESPACE}${target}Macros.cmake")
list(APPEND extra_cmake_files "${CMAKE_CURRENT_LIST_DIR}/${INSTALL_CMAKE_NAMESPACE}${target}Macros.cmake")
list(APPEND extra_cmake_includes "${INSTALL_CMAKE_NAMESPACE}${target}Macros.cmake")
endif()
if (EXISTS "${CMAKE_CURRENT_LIST_DIR}/${INSTALL_CMAKE_NAMESPACE}${target}ConfigExtras.cmake.in")
if(target STREQUAL Core)
if(NOT "${QT_NAMESPACE}" STREQUAL "")
string(MAKE_C_IDENTIFIER "${QT_NAMESPACE}" qt_namespace_sanity)
if(NOT "${QT_NAMESPACE}" STREQUAL "${qt_namespace_sanity}")
message(FATAL_ERROR "QT_NAMESPACE is not a valid C++ identifier: "
"${QT_NAMESPACE}.")
endif()
string(JOIN "" qtcore_namespace_definition
"set_property(TARGET \${__qt_core_target} "
"APPEND PROPERTY INTERFACE_COMPILE_DEFINITIONS QT_NAMESPACE=${QT_NAMESPACE})"
)
endif()
set(extra_cmake_code "")
# Add some variables for compatibility with Qt5 config files.
if(QT_FEATURE_reduce_exports)
string(APPEND qtcore_extra_cmake_code "
set(QT_VISIBILITY_AVAILABLE TRUE)")
endif()
if(QT_LIBINFIX)
string(APPEND qtcore_extra_cmake_code "
set(QT_LIBINFIX \"${QT_LIBINFIX}\")")
endif()
# Store whether find_package(Qt6Foo) should succeed if Qt6FooTools is missing.
if(QT_ALLOW_MISSING_TOOLS_PACKAGES)
string(APPEND qtcore_extra_cmake_code "
set(QT_ALLOW_MISSING_TOOLS_PACKAGES TRUE)")
endif()
endif()
configure_file("${CMAKE_CURRENT_LIST_DIR}/${INSTALL_CMAKE_NAMESPACE}${target}ConfigExtras.cmake.in"
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}ConfigExtras.cmake"
@ONLY)
list(APPEND extra_cmake_files "${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}ConfigExtras.cmake")
list(APPEND extra_cmake_includes "${INSTALL_CMAKE_NAMESPACE}${target}ConfigExtras.cmake")
endif()
foreach(cmake_file IN LISTS arg_EXTRA_CMAKE_FILES)
get_filename_component(basename ${cmake_file} NAME)
file(COPY ${cmake_file} DESTINATION ${config_build_dir})
list(APPEND extra_cmake_files "${config_build_dir}/${basename}")
# Make sure touched extra cmake files cause a reconfigure, so they get re-copied.
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${cmake_file}")
endforeach()
list(APPEND extra_cmake_includes ${arg_EXTRA_CMAKE_INCLUDES})
set(extra_cmake_code "")
if(arg_POLICIES)
set(policies "")
foreach(policy IN LISTS arg_POLICIES)
list(APPEND policies "set(QT_KNOWN_POLICY_${policy} TRUE)")
# When building Qt, tests and examples might expect a policy to be known, but they
# won't be known depending on which scope or when a find_package(Module) with the
# respective policy is called. Check the global list of known policies to accommodate
# that.
set_property(GLOBAL APPEND PROPERTY _qt_global_known_policies "${policy}")
endforeach()
list(JOIN policies "\n" policies_str)
string(APPEND extra_cmake_code "${policies_str}\n")
endif()
# Generate metatypes
if (NOT ${arg_NO_GENERATE_METATYPES} AND NOT target_type STREQUAL "INTERFACE_LIBRARY")
set(args "")
if(QT_WILL_INSTALL)
set(metatypes_install_dir "${INSTALL_ARCHDATADIR}/metatypes")
if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.31")
cmake_path(SET metatypes_install_dir NORMALIZE "${metatypes_install_dir}")
endif()
list(APPEND args
__QT_INTERNAL_INSTALL __QT_INTERNAL_INSTALL_DIR "${metatypes_install_dir}")
endif()
qt6_extract_metatypes(${target} ${args})
endif()
qt_internal_get_min_new_policy_cmake_version(min_new_policy_version)
qt_internal_get_max_new_policy_cmake_version(max_new_policy_version)
qt_internal_write_basic_module_package("${target}" "${target_private}"
CONFIG_BUILD_DIR ${config_build_dir}
CONFIG_INSTALL_DIR ${config_install_dir}
)
if (EXISTS "${CMAKE_CURRENT_LIST_DIR}/${INSTALL_CMAKE_NAMESPACE}${target}BuildInternals.cmake")
configure_file("${CMAKE_CURRENT_LIST_DIR}/${INSTALL_CMAKE_NAMESPACE}${target}BuildInternals.cmake"
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}BuildInternals.cmake"
@ONLY)
list(APPEND extra_cmake_files "${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}BuildInternals.cmake")
endif()
qt_install(FILES
${extra_cmake_files}
DESTINATION "${config_install_dir}"
COMPONENT Devel
)
if(NOT arg_NO_PRIVATE_MODULE)
qt_internal_write_basic_module_package(${target} ${target_private}
PRIVATE
CONFIG_BUILD_DIR ${private_config_build_dir}
CONFIG_INSTALL_DIR ${private_config_install_dir}
)
endif()
file(COPY ${extra_cmake_files} DESTINATION "${config_build_dir}")
set(targets_to_export ${target})
if(NOT ${arg_NO_PRIVATE_MODULE})
list(APPEND targets_to_export ${target_private})
endif()
_qt_internal_forward_function_args(
FORWARD_PREFIX arg
FORWARD_OUT_VAR export_module_args
FORWARD_OPTIONS NO_ADDITIONAL_TARGET_INFO
)
qt_internal_export_module(${target}
${export_module_args}
CONFIG_BUILD_DIR ${config_build_dir}
CONFIG_INSTALL_DIR ${config_install_dir}
)
if(NOT arg_NO_PRIVATE_MODULE)
qt_internal_export_module(${target_private}
${export_module_args}
CONFIG_BUILD_DIR ${private_config_build_dir}
CONFIG_INSTALL_DIR ${private_config_install_dir}
)
endif()
if(BUILD_SHARED_LIBS)
qt_apply_rpaths(TARGET "${target}" INSTALL_PATH "${INSTALL_LIBDIR}" RELATIVE_RPATH)
qt_internal_apply_staging_prefix_build_rpath_workaround()
endif()
if (ANDROID AND NOT arg_HEADER_MODULE)
# Record install library location so it can be accessed by
# qt_internal_android_dependencies without having to specify it again.
set_target_properties(${target} PROPERTIES
QT_ANDROID_MODULE_INSTALL_DIR ${INSTALL_LIBDIR})
endif()
### fixme: cmake is missing a built-in variable for this. We want to apply it only to modules and plugins
# that belong to Qt.
if(NOT arg_HEADER_MODULE)
qt_internal_add_link_flags_no_undefined("${target}")
endif()
set(interface_includes "")
# Handle cases like QmlDevToolsPrivate which do not have their own headers, but rather borrow them
# from another module.
if(NOT arg_NO_SYNC_QT AND NOT arg_NO_MODULE_HEADERS)
list(APPEND interface_includes "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>")
# syncqt does not create a private header directory like 'include/6.0/QtFoo' unless
# the module has foo_p.h header files. For QtZlib, there are no such private headers, so we
# need to make sure not to add such include paths unless the directory exists, otherwise
# consumers of the module will fail at CMake generation time stating that
# INTERFACE_INCLUDE_DIRECTORIES contains a non-existent path.
qt_internal_append_include_directories_with_headers_check(${target}
interface_includes PRIVATE
"$<BUILD_INTERFACE:${module_build_interface_versioned_include_dir}>"
"$<BUILD_INTERFACE:${module_build_interface_versioned_inner_include_dir}>"
)
if(is_framework)
set(fw_install_private_header_dir "${INSTALL_LIBDIR}/${fw_private_header_dir}")
set(fw_install_private_module_header_dir
"${INSTALL_LIBDIR}/${fw_private_module_header_dir}")
qt_internal_append_include_directories_with_headers_check(${target}
interface_includes PRIVATE
"$<INSTALL_INTERFACE:${fw_install_private_header_dir}>"
"$<INSTALL_INTERFACE:${fw_install_private_module_header_dir}>"
)
else()
qt_internal_append_include_directories_with_headers_check(${target}
interface_includes PRIVATE
"$<INSTALL_INTERFACE:${module_install_interface_versioned_include_dir}>"
"$<INSTALL_INTERFACE:${module_install_interface_versioned_inner_include_dir}>"
)
endif()
endif()
if(arg_INTERNAL_MODULE)
target_include_directories("${target}" INTERFACE ${interface_includes})
elseif(NOT ${arg_NO_PRIVATE_MODULE})
target_include_directories("${target_private}" INTERFACE ${interface_includes})
target_link_libraries("${target_private}" INTERFACE "${target}")
endif()
set(debug_install_dir "${INSTALL_LIBDIR}")
if (MINGW)
set(debug_install_dir "${INSTALL_BINDIR}")
endif()
qt_enable_separate_debug_info(${target} "${debug_install_dir}")
set(pdb_install_dir "${INSTALL_BINDIR}")
if(NOT is_shared_lib)
set(pdb_install_dir "${INSTALL_LIBDIR}")
endif()
qt_internal_install_pdb_files(${target} "${pdb_install_dir}")
if (arg_NO_PRIVATE_MODULE)
set(arg_NO_PRIVATE_MODULE "NO_PRIVATE_MODULE")
else()
unset(arg_NO_PRIVATE_MODULE)
endif()
qt_describe_module(${target})
if(QT_GENERATE_SBOM)
set(sbom_args "")
# 3rd party header modules should not be treated as Qt modules.
if(arg_IS_QT_3RD_PARTY_HEADER_MODULE)
list(APPEND sbom_args TYPE QT_THIRD_PARTY_MODULE)
else()
list(APPEND sbom_args TYPE QT_MODULE)
endif()
qt_get_cmake_configurations(configs)
foreach(config IN LISTS configs)
_qt_internal_sbom_append_multi_config_aware_single_arg_option(
RUNTIME_PATH
"${INSTALL_BINDIR}"
"${config}"
sbom_args
)
_qt_internal_sbom_append_multi_config_aware_single_arg_option(
LIBRARY_PATH
"${INSTALL_LIBDIR}"
"${config}"
sbom_args
)
_qt_internal_sbom_append_multi_config_aware_single_arg_option(
ARCHIVE_PATH
"${INSTALL_LIBDIR}"
"${config}"
sbom_args
)
_qt_internal_sbom_append_multi_config_aware_single_arg_option(
FRAMEWORK_PATH
"${INSTALL_LIBDIR}/${fw_versioned_binary_dir}"
"${config}"
sbom_args
)
endforeach()
_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()
qt_add_list_file_finalizer(qt_finalize_module ${target} ${arg_INTERNAL_MODULE} ${arg_NO_PRIVATE_MODULE})
endfunction()
# Write and install the basic Qt6Foo and Qt6FooPrivate packages.
#
# If PRIVATE is specified, write Qt6FooPrivate.
# Otherwise write its public counterpart.
#
# Note that this function is supposed to be called from qt_internal_add_module, and depends on
# variables set in the scope of that function, e.g. target and target_private.
function(qt_internal_write_basic_module_package)
set(no_value_options
PRIVATE
)
set(single_value_options
CONFIG_BUILD_DIR
CONFIG_INSTALL_DIR
)
set(multi_value_options "")
cmake_parse_arguments(PARSE_ARGV 0 arg
"${no_value_options}" "${single_value_options}" "${multi_value_options}"
)
if(arg_PRIVATE)