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qt5base-lts/cmake/QtModuleHelpers.cmake
Alexandru Croitor 5ffc744b79 CMake: Allow disabling package version check 
When building Qt repos, all find_package(Qt6) calls request a
PROJECT_VERSION version which is set in .cmake.conf via
QT_REPO_MODULE_VERSION.

This means trying to configure qtsvg from a 6.3 branch using a
6.2 qtbase won't work, because qtsvg will call find_package(Qt6 6.3)
and no such Qt6 package version exists.

There are certain scenarios where it might be useful to try to do
that though.
One of them is doing Qt development while locally mixing branches.
Another is building a 6.4 QtWebEngine against a 6.2 Qt.

Allow to opt out of the version check by configuring each Qt repo
with -DQT_NO_PACKAGE_VERSION_CHECK=TRUE. This setting is not
recorded and will have to be set again when configuring another
repo.

The version check will also be disabled by default when configuring
with the -developer-build feature. This will be recorded and embedded
into each ConfigVersion file.

If the version check is disabled, a warning will be shown mentioning
the incompatible version of a package that was found but that package
will still be accepted.
The warning will show both when building Qt or using Qt in a user
project.
The warnings can be disabled by passing
-DQT_NO_PACKAGE_VERSION_INCOMPATIBLE_WARNING=TRUE

Furthermore when building a Qt repo, another warning will show when an
incompatible package version is detected, to suggest to the Qt builder
whether they want to use the incompatible version by disabling the
version check.

Note that there are no compatibility promises when using mixed
non-matching versions. Things might not work. These options are only
provided for convenience and their users know what they are doing.

Pick-to: 6.2
Fixes: QTBUG-96458
Change-Id: I1a42e0b2a00b73513d776d89a76102ffd9136422
Reviewed-by: Craig Scott <craig.scott@qt.io>
2021-10-27 16:41:26 +02:00

1016 lines
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macro(qt_internal_get_internal_add_module_keywords option_args single_args multi_args)
set(${option_args}
STATIC
EXCEPTIONS
INTERNAL_MODULE
HEADER_MODULE
DISABLE_TOOLS_EXPORT
SKIP_DEPENDS_INCLUDE
NO_MODULE_HEADERS
NO_SYNC_QT
NO_PRIVATE_MODULE
NO_CONFIG_HEADER_FILE
NO_ADDITIONAL_TARGET_INFO
NO_GENERATE_METATYPES
GENERATE_CPP_EXPORTS # TODO: Rename to NO_GENERATE_CPP_EXPORTS once migration is done
GENERATE_METATYPES # TODO: Remove once it is not used anymore
GENERATE_PRIVATE_CPP_EXPORTS
)
set(${single_args}
MODULE_INCLUDE_NAME
MODULE_INTERFACE_NAME
CONFIG_MODULE_NAME
PRECOMPILED_HEADER
CONFIGURE_FILE_PATH
CPP_EXPORT_HEADER_BASE_NAME
${__default_target_info_args}
)
set(${multi_args}
QMAKE_MODULE_CONFIG
EXTRA_CMAKE_FILES
EXTRA_CMAKE_INCLUDES
NO_PCH_SOURCES
${__default_private_args}
${__default_public_args}
${__default_private_module_args}
)
endmacro()
# This is the main entry function for creating a Qt module, that typically
# consists of a library, public header files, private header files and configurable
# features.
#
# A CMake target with the specified target parameter is created. If the current source
# directory has a configure.cmake file, then that is also processed for feature definition
# and testing. Any features defined as well as any features coming from dependencies to
# this module are imported into the scope of the calling feature.
#
# Target is without leading "Qt". So e.g. the "QtCore" module has the target "Core".
#
# Options:
# NO_ADDITIONAL_TARGET_INFO
# Don't generate a Qt6*AdditionalTargetInfo.cmake file.
# The caller is responsible for creating one.
#
# MODULE_INTERFACE_NAME
# The custom name of the module interface. This name is used as a part of the include paths
# associated with the module and other interface names. The default value is the target name.
# If the INTERNAL_MODULE option is specified, MODULE_INTERFACE_NAME is not specified and the
# target name ends with the suffix 'Private', the MODULE_INTERFACE_NAME value defaults to the
# non-suffixed target name, e.g.:
# For the SomeInternalModulePrivate target, the MODULE_INTERFACE_NAME will be
# SomeInternalModule
#
function(qt_internal_add_module target)
qt_internal_get_internal_add_module_keywords(
module_option_args
module_single_args
module_multi_args
)
qt_parse_all_arguments(arg "qt_internal_add_module"
"${module_option_args}"
"${module_single_args}"
"${module_multi_args}"
${ARGN}
)
if(arg_INTERNAL_MODULE)
set(arg_INTERNAL_MODULE "INTERNAL_MODULE")
set(arg_NO_PRIVATE_MODULE TRUE)
# Assume the interface name of the internal module should be the module name without the
# 'Private' suffix.
if(NOT arg_MODULE_INTERFACE_NAME)
if(target MATCHES "(.*)Private$")
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}"
)
set_property(TARGET ${target} APPEND PROPERTY EXPORT_PROPERTIES _qt_module_interface_name)
qt_internal_module_info(module "${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 ${target} APPEND PROPERTY EXPORT_PROPERTIES _qt_is_internal_module)
endif()
if(NOT arg_CONFIG_MODULE_NAME)
set(arg_CONFIG_MODULE_NAME "${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")
# 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 "${module_define_infix}")
set(property_prefix "INTERFACE_")
if(NOT arg_HEADER_MODULE)
qt_set_common_target_properties(${target})
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 ${target})
endif()
if(QT_FEATURE_reduce_relocations AND UNIX AND NOT is_interface_lib)
# On x86 and x86-64 systems with ELF binaries (especially Linux), due to
# a new optimization in GCC 5.x in combination with a recent version of
# GNU binutils, compiling Qt applications with -fPIE is no longer
# enough.
# Applications now need to be compiled with the -fPIC option if the Qt option
# \"reduce relocations\" is active.
target_compile_options(${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("${target}")
qt_skip_warnings_are_errors_when_repo_unclean("${target}")
_qt_internal_apply_strict_cpp("${target}")
# No need to compile Q_IMPORT_PLUGIN-containing files for non-executables.
if(is_static_lib)
_qt_internal_disable_static_default_plugins("${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 ${arg_CONFIG_MODULE_NAME}_private)
set_property(TARGET "${target_private}" APPEND PROPERTY
EXPORT_PROPERTIES _qt_config_module_name)
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 ${PROJECT_VERSION}
SOVERSION ${PROJECT_VERSION_MAJOR}
)
qt_set_target_info_properties(${target} ${ARGN})
qt_handle_multi_config_output_dirs("${target}")
if(NOT BUILD_SHARED_LIBS AND LINUX)
# 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)
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}${QT_LIBINFIX}"
)
endif()
if (WIN32 AND BUILD_SHARED_LIBS)
_qt_internal_generate_win32_rc_file(${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 "${module_include_name}")
# Use QT_BUILD_DIR for the syncqt call.
# So we either write the generated files into the qtbase non-prefix build root, or the
# module specific build root.
qt_ensure_sync_qt()
set(syncqt_full_command "${HOST_PERL}" -w "${QT_SYNCQT}"
-quiet
-check-includes
-module "${module_include_name}"
-version "${PROJECT_VERSION}"
-outdir "${QT_BUILD_DIR}"
-builddir "${PROJECT_BINARY_DIR}"
"${PROJECT_SOURCE_DIR}")
message(STATUS "Running syncqt for module: '${module_include_name}' ")
execute_process(COMMAND ${syncqt_full_command} RESULT_VARIABLE syncqt_ret)
if(NOT syncqt_ret EQUAL 0)
message(FATAL_ERROR "Failed to run syncqt, return code: ${syncqt_ret}")
endif()
set_target_properties("${target}" PROPERTIES
_qt_module_has_headers ON)
### FIXME: Can we replace headers.pri?
qt_read_headers_pri("${module_build_interface_include_dir}" "module_headers")
set_property(TARGET ${target} APPEND PROPERTY
_qt_module_timestamp_dependencies "${module_headers_public}")
# 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(arg_GENERATE_CPP_EXPORTS AND NOT arg_STATIC)
if(arg_CPP_EXPORT_HEADER_BASE_NAME)
set(cpp_export_header_base_name
"CPP_EXPORT_HEADER_BASE_NAME;${arg_CPP_EXPORT_HEADER_BASE_NAME}"
)
endif()
if(arg_GENERATE_PRIVATE_CPP_EXPORTS)
set(generate_private_cpp_export "GENERATE_PRIVATE_CPP_EXPORTS")
endif()
qt_internal_generate_cpp_global_exports(${target} ${module_define_infix}
"${cpp_export_header_base_name}"
"${generate_private_cpp_export}"
)
endif()
set(module_depends_header
"${module_build_interface_include_dir}/${module_include_name}Depends")
if(is_framework)
if(NOT is_interface_lib)
set(public_headers_to_copy "${module_headers_public}" "${module_depends_header}")
qt_copy_framework_headers(${target} PUBLIC "${public_headers_to_copy}")
qt_copy_framework_headers(${target} PRIVATE "${module_headers_private}")
endif()
else()
set_property(TARGET ${target} APPEND PROPERTY PUBLIC_HEADER "${module_headers_public}")
set_property(TARGET ${target} APPEND PROPERTY PUBLIC_HEADER ${module_depends_header})
set_property(TARGET ${target} APPEND PROPERTY PRIVATE_HEADER "${module_headers_private}")
endif()
if (NOT ${arg_HEADER_MODULE})
set_property(TARGET "${target}" PROPERTY MODULE_HEADER
"${module_build_interface_include_dir}/${module_include_name}")
endif()
if(module_headers_qpa)
if(is_framework)
qt_copy_framework_headers(${target} QPA "${module_headers_qpa}")
else()
qt_install(
FILES ${module_headers_qpa}
DESTINATION "${module_install_interface_versioned_inner_include_dir}/qpa")
endif()
endif()
endif()
if(NOT arg_HEADER_MODULE)
# Plugin types associated to a module
if(NOT "x${arg_PLUGIN_TYPES}" STREQUAL "x")
# Reset the variable containing the list of plugins for the given plugin type
foreach(plugin_type ${arg_PLUGIN_TYPES})
qt_get_sanitized_plugin_type("${plugin_type}" plugin_type)
set_property(TARGET "${target}" APPEND PROPERTY MODULE_PLUGIN_TYPES "${plugin_type}")
qt_internal_add_qt_repo_known_plugin_types("${plugin_type}")
endforeach()
# Save the non-sanitized plugin type values for qmake consumption via .pri files.
set_property(TARGET "${target}"
PROPERTY QMAKE_MODULE_PLUGIN_TYPES "${arg_PLUGIN_TYPES}")
# Export the plugin types.
set_property(TARGET ${target} APPEND PROPERTY EXPORT_PROPERTIES MODULE_PLUGIN_TYPES)
endif()
endif()
qt_internal_library_deprecation_level(deprecation_define)
if(NOT arg_HEADER_MODULE)
qt_autogen_tools_initial_setup(${target})
endif()
set(private_includes
"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
"$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>"
${arg_INCLUDE_DIRECTORIES}
)
set(public_includes "")
set(public_headers_list "public_includes")
if(is_framework)
set(public_headers_list "private_includes")
endif()
# Make sure the BUILD_INTERFACE include paths come before the framework headers, so that the
# the compiler prefers the build dir includes.
#
# Make sure to add non-framework "build_dir/include" as an include path for moc to find the
# currently built module headers. qmake does this too.
# Framework-style include paths are found by moc when cmQtAutoMocUic.cxx detects frameworks by
# looking at an include path and detecting a "QtFoo.framework/Headers" path.
# Make sure to create such paths for both the the BUILD_INTERFACE and the INSTALL_INTERFACE.
#
# Only add syncqt headers if they exist.
# This handles cases like QmlDevToolsPrivate which do not have their own headers, but borrow them
# from another module.
if(NOT arg_NO_SYNC_QT AND NOT arg_NO_MODULE_HEADERS)
# Don't include private headers unless they exist, aka syncqt created them.
if(module_headers_private)
list(APPEND private_includes
"$<BUILD_INTERFACE:${module_build_interface_versioned_include_dir}>"
"$<BUILD_INTERFACE:${module_build_interface_versioned_inner_include_dir}>")
endif()
list(APPEND public_includes
# For the syncqt headers
"$<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}/${fw_install_header_dir}")
list(APPEND public_includes
# Add the lib/Foo.framework dir as include path to let CMake generate
# the -F compiler flag for framework-style includes to work.
"$<INSTALL_INTERFACE:${fw_install_dir}>"
# Add the framework Headers subdir, so that non-framework-style includes work. The
# BUILD_INTERFACE Headers symlink was previously claimed not to exist at the relevant
# time, and a fully specified Header path was used instead. This doesn't seem to be a
# problem anymore.
"$<BUILD_INTERFACE:${fw_output_header_dir}>"
"$<INSTALL_INTERFACE:${fw_install_header_dir}>"
)
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} ${arg_PUBLIC_INCLUDE_DIRECTORIES})
set(header_module)
if(arg_HEADER_MODULE)
set(header_module "HEADER_MODULE")
# Provide a *_timestamp target that can be used to trigger the build of custom_commands.
set(timestamp_file "${CMAKE_CURRENT_BINARY_DIR}/timestamp")
add_custom_command(OUTPUT "${timestamp_file}"
COMMAND ${CMAKE_COMMAND} -E touch "${timestamp_file}"
DEPENDS "$<TARGET_PROPERTY:${target},_qt_module_timestamp_dependencies>"
VERBATIM)
add_custom_target(${target}_timestamp ALL DEPENDS "${timestamp_file}")
endif()
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_USE_QSTRINGBUILDER
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
${deprecation_define}
)
list(APPEND arg_LIBRARIES Qt::PlatformModuleInternal)
endif()
qt_internal_extend_target("${target}"
${header_module}
SOURCES ${arg_SOURCES}
INCLUDE_DIRECTORIES
${private_includes}
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}
PRECOMPILED_HEADER ${arg_PRECOMPILED_HEADER}
NO_PCH_SOURCES ${arg_NO_PCH_SOURCES}
)
# The public module define is not meant to be used when building the module itself,
# it's only meant to be used for consumers of the module,
# thus we can't use qt_internal_extend_target()'s PUBLIC_DEFINES option.
target_compile_definitions(${target} INTERFACE QT_${module_define_infix}_LIB)
if(NOT arg_EXCEPTIONS AND NOT ${arg_HEADER_MODULE})
qt_internal_set_exceptions_flags("${target}" FALSE)
elseif(arg_EXCEPTIONS)
qt_internal_set_exceptions_flags("${target}" TRUE)
endif()
set(configureFile "${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("${target}")
set_property(TARGET "${target}" APPEND PROPERTY
PUBLIC_HEADER "${CMAKE_CURRENT_BINARY_DIR}/${module_config_header}"
)
set_property(TARGET "${target}" APPEND PROPERTY
PRIVATE_HEADER "${CMAKE_CURRENT_BINARY_DIR}/${module_config_private_header}"
)
endif()
if(NOT arg_HEADER_MODULE)
if(DEFINED module_headers_private)
qt_internal_add_linker_version_script("${target}" PRIVATE_HEADERS ${module_headers_private} ${module_headers_qpa})
else()
qt_internal_add_linker_version_script("${target}")
endif()
endif()
# Handle injections. Aka create forwarding headers for certain headers that have been
# automatically generated in the build dir (for example qconfig.h, qtcore-config.h,
# qvulkanfunctions.h, etc)
# module_headers_injections come from the qt_read_headers_pri() call.
# extra_library_injections come from the qt_feature_module_end() call.
set(final_injections "")
if(module_headers_injections)
string(APPEND final_injections "${module_headers_injections} ")
endif()
if(extra_library_injections)
string(APPEND final_injections "${extra_library_injections} ")
endif()
if(final_injections)
qt_install_injections(${target} "${QT_BUILD_DIR}" "${QT_INSTALL_DIR}" ${final_injections})
endif()
# Handle creation of cmake files for consumers of find_package().
set(path_suffix "${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} ${path_suffix})
set(extra_cmake_files)
set(extra_cmake_includes)
if (EXISTS "${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)
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 \"${QT_LIBINFIX}\")")
endif()
endif()
configure_file("${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}")
endforeach()
list(APPEND extra_cmake_includes ${arg_EXTRA_CMAKE_INCLUDES})
set(extra_cmake_code "")
# Generate metatypes
if(${arg_GENERATE_METATYPES})
# No mention of NO_GENERATE_METATYPES. You should not use it.
message(WARNING "GENERATE_METATYPES is on by default for Qt modules. Please remove the manual specification.")
endif()
if (NOT ${arg_NO_GENERATE_METATYPES})
if (NOT target_type STREQUAL "INTERFACE_LIBRARY")
set(args "")
if(QT_WILL_INSTALL)
set(metatypes_install_dir "${INSTALL_LIBDIR}/metatypes")
list(APPEND args
__QT_INTERNAL_INSTALL __QT_INTERNAL_INSTALL_DIR "${metatypes_install_dir}")
endif()
qt6_extract_metatypes(${target} ${args})
elseif(${arg_GENERATE_METATYPES})
message(FATAL_ERROR "Meta types generation does not work on interface libraries")
endif()
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)
configure_package_config_file(
"${QT_CMAKE_DIR}/QtModuleConfig.cmake.in"
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}Config.cmake"
INSTALL_DESTINATION "${config_install_dir}"
)
if (EXISTS "${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}${target}BuildInternals.cmake")
endif()
write_basic_package_version_file(
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}ConfigVersionImpl.cmake"
VERSION ${PROJECT_VERSION}
COMPATIBILITY AnyNewerVersion
)
qt_internal_write_qt_package_version_file(
"${INSTALL_CMAKE_NAMESPACE}${target}"
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}ConfigVersion.cmake"
)
qt_install(FILES
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}Config.cmake"
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}ConfigVersion.cmake"
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}ConfigVersionImpl.cmake"
${extra_cmake_files}
DESTINATION "${config_install_dir}"
COMPONENT Devel
)
file(COPY ${extra_cmake_files} DESTINATION "${config_build_dir}")
set(exported_targets ${target})
if(NOT ${arg_NO_PRIVATE_MODULE})
list(APPEND exported_targets ${target_private})
endif()
set(export_name "${INSTALL_CMAKE_NAMESPACE}${target}Targets")
qt_install(TARGETS ${exported_targets}
EXPORT ${export_name}
RUNTIME DESTINATION ${INSTALL_BINDIR}
LIBRARY DESTINATION ${INSTALL_LIBDIR}
ARCHIVE DESTINATION ${INSTALL_LIBDIR}
FRAMEWORK DESTINATION ${INSTALL_LIBDIR}
PUBLIC_HEADER DESTINATION "${module_install_interface_include_dir}"
PRIVATE_HEADER DESTINATION "${module_install_interface_private_include_dir}"
)
if(BUILD_SHARED_LIBS)
qt_apply_rpaths(TARGET "${target}" INSTALL_PATH "${INSTALL_LIBDIR}" RELATIVE_RPATH)
endif()
if (ANDROID AND NOT arg_HEADER_MODULE)
# Record install library location so it can be accessed by
# qt_internal_android_dependencies without having to specify it again.
set_target_properties(${target} PROPERTIES
QT_ANDROID_MODULE_INSTALL_DIR ${INSTALL_LIBDIR})
endif()
qt_install(EXPORT ${export_name}
NAMESPACE ${QT_CMAKE_EXPORT_NAMESPACE}::
DESTINATION ${config_install_dir})
if(NOT arg_NO_ADDITIONAL_TARGET_INFO)
qt_internal_export_additional_targets_file(
TARGETS ${exported_targets}
EXPORT_NAME_PREFIX ${INSTALL_CMAKE_NAMESPACE}${target}
CONFIG_INSTALL_DIR "${config_install_dir}")
endif()
qt_internal_export_modern_cmake_config_targets_file(
TARGETS ${exported_targets}
EXPORT_NAME_PREFIX ${INSTALL_CMAKE_NAMESPACE}${target}
CONFIG_INSTALL_DIR "${config_install_dir}")
### fixme: cmake is missing a built-in variable for this. We want to apply it only to modules and plugins
# that belong to Qt.
if(NOT arg_HEADER_MODULE)
qt_internal_add_link_flags_no_undefined("${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)
list(APPEND interface_includes "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>")
# syncqt.pl 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.
if(NOT arg_NO_MODULE_HEADERS
AND EXISTS "${module_build_interface_versioned_inner_include_dir}")
list(APPEND interface_includes
"$<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}/${fw_private_module_header_dir}")
list(APPEND interface_includes
"$<INSTALL_INTERFACE:${fw_install_private_header_dir}>"
"$<INSTALL_INTERFACE:${fw_install_private_module_header_dir}>")
else()
list(APPEND interface_includes
"$<INSTALL_INTERFACE:${module_install_interface_versioned_include_dir}>"
"$<INSTALL_INTERFACE:${module_install_interface_versioned_inner_include_dir}>")
endif()
endif()
endif()
if(QT_FEATURE_headersclean AND NOT arg_NO_MODULE_HEADERS)
qt_internal_add_headers_clean_target(
${target}
"${module_include_name}"
"${module_headers_clean}")
endif()
if(arg_INTERNAL_MODULE)
target_include_directories("${target}" INTERFACE ${interface_includes})
elseif(NOT ${arg_NO_PRIVATE_MODULE})
target_include_directories("${target_private}" INTERFACE ${interface_includes})
target_link_libraries("${target_private}" INTERFACE "${target}")
endif()
if(is_framework AND NOT is_interface_lib)
qt_finalize_framework_headers_copy(${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})
qt_add_list_file_finalizer(qt_finalize_module ${target} ${arg_INTERNAL_MODULE} ${arg_NO_PRIVATE_MODULE} ${header_module})
endfunction()
function(qt_finalize_module target)
qt_generate_prl_file(${target} "${INSTALL_LIBDIR}")
qt_generate_module_pri_file("${target}" ${ARGN})
endfunction()
# Get a set of Qt module related values based on the target.
#
# The function uses the _qt_module_interface_name and _qt_module_include_name target properties to
# preform values for the output variables. _qt_module_interface_name it's the basic name of module
# without "Qtfication" and the "Private" suffix if we speak about INTERNAL_MODULEs. Typical value of
# the _qt_module_interface_name is the provided to qt_internal_add_module ${target} name, e.g. Core.
# _qt_module_interface_name is used to preform all the include paths unless the
# _qt_module_include_name property is specified. _qt_module_include_name is legacy property that
# replaces the module name in include paths and has a higher priority than the
# _qt_module_interface_name property.
#
# When doing qt_internal_module_info(foo Core) this method will set the following variables in
# the caller's scope:
# * foo with the value "QtCore"
# * foo_versioned with the value "Qt6Core" (based on major Qt version)
# * foo_upper with the value "CORE"
# * foo_lower with the value "core"
# * foo_include_name with the value"QtCore"
# Usually the module name from ${foo} is used, but the name might be different if the
# MODULE_INCLUDE_NAME argument is set when creating the module.
# * foo_versioned_include_dir with the value "QtCore/6.2.0"
# * foo_versioned_inner_include_dir with the value "QtCore/6.2.0/QtCore"
# * foo_private_include_dir with the value "QtCore/6.2.0/QtCore/private"
# * foo_interface_name the interface name of the module stored in _qt_module_interface_name
# property, e.g. Core.
#
# The function also sets a bunch of module include paths for the build and install interface.
# Variables that contains these paths start with foo_build_interface_ and foo_install_interface_
# accordingly.
# The following variables are set in the caller's scope:
# * foo_<build|install>_interface_include_dir with
# qtbase_build_dir/include/QtCore for build interface and
# include/QtCore for install interface.
# * foo_<build|install>_interface_versioned_include_dir with
# qtbase_build_dir/include/QtCore/6.2.0 for build interface and
# include/QtCore/6.2.0 for install interface.
# * foo_<build|install>_versioned_inner_include_dir with
# qtbase_build_dir/include/QtCore/6.2.0/QtCore for build interface and
# include/QtCore/6.2.0/QtCore for install interface.
# * foo_<build|install>_private_include_dir with
# qtbase_build_dir/include/QtCore/6.2.0/QtCore/private for build interface and
# include/QtCore/6.2.0/QtCore/private for install interface.
# The following values are set by the function and might be useful in caller's scope:
# * repo_install_interface_include_dir contains path to the top-level repository include directory,
# e.g. qtbase_build_dir/include
# * repo_install_interface_include_dir contains path to the non-prefixed top-level include
# directory is used for the installation, e.g. include
# Note: that for non-prefixed Qt configurations the build interface paths will start with
# <build_directory>/qtbase/include, e.g foo_build_interface_include_dir of the Qml module looks
# like qt_toplevel_build_dir/qtbase/include/QtQml
function(qt_internal_module_info result target)
if(result STREQUAL "repo")
message(FATAL_ERROR "'repo' keyword is reserved for internal use, please specify \
the different base name for the module info variables.")
endif()
get_target_property(module_interface_name ${target} _qt_module_interface_name)
if(NOT module_interface_name)
message(FATAL_ERROR "${target} is not a module.")
endif()
qt_internal_qtfy_target(module ${module_interface_name})
get_target_property("${result}_include_name" ${target} _qt_module_include_name)
if(NOT ${result}_include_name)
set("${result}_include_name" "${module}")
endif()
set("${result}_versioned_include_dir"
"${${result}_include_name}/${PROJECT_VERSION}")
set("${result}_versioned_inner_include_dir"
"${${result}_versioned_include_dir}/${${result}_include_name}")
set("${result}_private_include_dir"
"${${result}_versioned_inner_include_dir}/private")
# Module build interface directories
set(repo_build_interface_include_dir "${QT_BUILD_DIR}/include")
set("${result}_build_interface_include_dir"
"${repo_build_interface_include_dir}/${${result}_include_name}")
set("${result}_build_interface_versioned_include_dir"
"${repo_build_interface_include_dir}/${${result}_versioned_include_dir}")
set("${result}_build_interface_versioned_inner_include_dir"
"${repo_build_interface_include_dir}/${${result}_versioned_inner_include_dir}")
set("${result}_build_interface_private_include_dir"
"${repo_build_interface_include_dir}/${${result}_private_include_dir}")
# Module install interface direcotries
set(repo_install_interface_include_dir "${INSTALL_INCLUDEDIR}")
set("${result}_install_interface_include_dir"
"${repo_install_interface_include_dir}/${${result}_include_name}")
set("${result}_install_interface_versioned_include_dir"
"${repo_install_interface_include_dir}/${${result}_versioned_include_dir}")
set("${result}_install_interface_versioned_inner_include_dir"
"${repo_install_interface_include_dir}/${${result}_versioned_inner_include_dir}")
set("${result}_install_interface_private_include_dir"
"${repo_install_interface_include_dir}/${${result}_private_include_dir}")
set("${result}" "${module}" PARENT_SCOPE)
set("${result}_versioned" "${module_versioned}" PARENT_SCOPE)
string(TOUPPER "${module_interface_name}" upper)
string(TOLOWER "${module_interface_name}" lower)
set("${result}_upper" "${upper}" PARENT_SCOPE)
set("${result}_lower" "${lower}" PARENT_SCOPE)
set("${result}_include_name" "${${result}_include_name}" PARENT_SCOPE)
set("${result}_versioned_include_dir" "${${result}_versioned_include_dir}" PARENT_SCOPE)
set("${result}_versioned_inner_include_dir"
"${${result}_versioned_inner_include_dir}" PARENT_SCOPE)
set("${result}_private_include_dir" "${${result}_private_include_dir}" PARENT_SCOPE)
set("${result}_interface_name" "${module_interface_name}" PARENT_SCOPE)
# Setting module build interface directories in parent scope
set(repo_build_interface_include_dir "${repo_build_interface_include_dir}" PARENT_SCOPE)
set("${result}_build_interface_include_dir"
"${${result}_build_interface_include_dir}" PARENT_SCOPE)
set("${result}_build_interface_versioned_include_dir"
"${${result}_build_interface_versioned_include_dir}" PARENT_SCOPE)
set("${result}_build_interface_versioned_inner_include_dir"
"${${result}_build_interface_versioned_inner_include_dir}" PARENT_SCOPE)
set("${result}_build_interface_private_include_dir"
"${${result}_build_interface_private_include_dir}" PARENT_SCOPE)
# Setting module install interface directories in parent scope
set(repo_install_interface_include_dir "${repo_install_interface_include_dir}" PARENT_SCOPE)
set("${result}_install_interface_include_dir"
"${${result}_install_interface_include_dir}" PARENT_SCOPE)
set("${result}_install_interface_versioned_include_dir"
"${${result}_install_interface_versioned_include_dir}" PARENT_SCOPE)
set("${result}_install_interface_versioned_inner_include_dir"
"${${result}_install_interface_versioned_inner_include_dir}" PARENT_SCOPE)
set("${result}_install_interface_private_include_dir"
"${${result}_install_interface_private_include_dir}" PARENT_SCOPE)
endfunction()
# Generate a module description file based on the template in ModuleDescription.json.in
function(qt_describe_module target)
set(path_suffix "${INSTALL_DESCRIPTIONSDIR}")
qt_path_join(build_dir ${QT_BUILD_DIR} ${path_suffix})
qt_path_join(install_dir ${QT_INSTALL_DIR} ${path_suffix})
set(descfile_in "${QT_CMAKE_DIR}/ModuleDescription.json.in")
set(descfile_out "${build_dir}/${target}.json")
set(cross_compilation "false")
if(CMAKE_CROSSCOMPILING)
set(cross_compilation "true")
endif()
configure_file("${descfile_in}" "${descfile_out}")
qt_install(FILES "${descfile_out}" DESTINATION "${install_dir}")
endfunction()
function(qt_internal_generate_cpp_global_exports target module_define_infix)
cmake_parse_arguments(arg
"GENERATE_PRIVATE_CPP_EXPORTS"
"CPP_EXPORT_HEADER_BASE_NAME"
"" ${ARGN}
)
qt_internal_module_info(module "${target}")
set(header_base_name "qt${module_lower}exports")
if(arg_CPP_EXPORT_HEADER_BASE_NAME)
set(header_base_name "${arg_CPP_EXPORT_HEADER_BASE_NAME}")
endif()
# Is used as a part of the header guard define.
string(TOUPPER "${header_base_name}" header_base_name_upper)
set(generated_header_path
"${module_build_interface_include_dir}/${header_base_name}.h"
)
configure_file("${QT_CMAKE_DIR}/modulecppexports.h.in"
"${generated_header_path}" @ONLY
)
set(${out_public_header} "${generated_header_path}" PARENT_SCOPE)
target_sources(${target} PRIVATE "${generated_header_path}")
if(arg_GENERATE_PRIVATE_CPP_EXPORTS)
set(generated_private_header_path
"${module_build_interface_private_include_dir}/${header_base_name}_p.h"
)
configure_file("${QT_CMAKE_DIR}/modulecppexports_p.h.in"
"${generated_private_header_path}" @ONLY
)
set(${out_private_header} "${generated_private_header_path}" PARENT_SCOPE)
target_sources(${target} PRIVATE "${generated_private_header_path}")
endif()
get_target_property(is_framework ${target} FRAMEWORK)
get_target_property(target_type ${target} TYPE)
set(is_interface_lib 0)
if(target_type STREQUAL "INTERFACE_LIBRARY")
set(is_interface_lib 1)
endif()
set_property(TARGET ${target} APPEND PROPERTY
_qt_module_timestamp_dependencies "${generated_header_path}")
if(is_framework)
if(NOT is_interface_lib)
qt_copy_framework_headers(${target} PUBLIC "${generated_header_path}")
if(arg_GENERATE_PRIVATE_CPP_EXPORTS)
qt_copy_framework_headers(${target} PRIVATE "${generated_private_header_path}")
endif()
endif()
else()
set_property(TARGET ${target} APPEND PROPERTY PUBLIC_HEADER "${generated_header_path}")
qt_install(FILES "${generated_header_path}"
DESTINATION "${module_install_interface_include_dir}")
if(arg_GENERATE_PRIVATE_CPP_EXPORTS)
set_property(TARGET ${target} APPEND PROPERTY PRIVATE_HEADER
"${generated_private_header_path}")
qt_install(FILES "${generated_private_header_path}"
DESTINATION "${module_install_interface_private_include_dir}")
endif()
endif()
endfunction()
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