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qtbase/cmake/QtModuleConfig.cmake.in
Joerg Bornemann 9834571282 CMake: Split off private module config packages 
[ChangeLog][CMake] Private Qt modules have been split off into separate
Qt6FooPrivate CMake config packages. A call to find_package(Qt6Foo) will
now implicitly find_package(Qt6FooPrivate). It's not an error if
Qt6FooPrivate isn't available as it may be the case on certain Linux
distros that split their Qt module packages into private and public
parts.

For every public module Qt6Foo that has an associated Qt6FooPrivate
module, create a separate Qt6FooPrivate CMake config package.

Let Qt6FooPrivate find Qt6Foo. This is a required dependency.

Let Qt6Foo find Qt6FooPrivate if it's available. A message of log level
VERBOSE is issued if Qt6FooPrivate is not found.

Implementation notes: In QtModuleConfig.cmake.in, we pull in the private
module. This is not part of the *Dependencies.cmake file, because

1. The Qt6FooPrivate package references the Qt6::Foo target, therefore
it must be available. And Qt6FooDependencies.cmake is loaded before
creating targets.

2. The dependency needs to be optional, and we don't have facilities for
optional dependencies in Qt6FooDependencies yet.

3. We'd have to avoid recursion, because of the Qt6FooPrivate -> Qt6Foo
dependency.

Fixes: QTBUG-87776
Change-Id: I8f23f07da7ca76486f87b759e197174c11e13534
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
(cherry picked from commit fbbf4ace0188b9718b6d7808021c0b887fd52d9f)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
2024-12-19 11:11:45 +00:00

203 lines
9.2 KiB
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# Copyright (C) 2024 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
@PACKAGE_INIT@
cmake_minimum_required(VERSION @min_new_policy_version@...@max_new_policy_version@)
include(CMakeFindDependencyMacro)
get_filename_component(_import_prefix "${CMAKE_CURRENT_LIST_FILE}" PATH)
get_filename_component(_import_prefix "${_import_prefix}" REALPATH)
# Extra cmake code begin
@extra_cmake_code@
# Extra cmake code end
# Find required dependencies, if any.
if(EXISTS "${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@Dependencies.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@Dependencies.cmake")
_qt_internal_suggest_dependency_debugging(@target@
__qt_@target@_pkg ${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE)
endif()
# If *ConfigDependencies.cmake exists, the variable value will be defined there.
# Don't override it in that case.
if(NOT DEFINED "@INSTALL_CMAKE_NAMESPACE@@target@_FOUND")
set("@INSTALL_CMAKE_NAMESPACE@@target@_FOUND" TRUE)
endif()
if (NOT QT_NO_CREATE_TARGETS AND @INSTALL_CMAKE_NAMESPACE@@target@_FOUND)
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@Targets.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@AdditionalTargetInfo.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@ExtraProperties.cmake"
OPTIONAL)
endif()
# Find the private module counterpart.
if (@INSTALL_CMAKE_NAMESPACE@@target@_FOUND AND NOT @arg_NO_PRIVATE_MODULE@)
if(NOT @INSTALL_CMAKE_NAMESPACE@@target_private@_FOUND)
if("${_qt_cmake_dir}" STREQUAL "")
set(_qt_cmake_dir "${QT_TOOLCHAIN_RELOCATABLE_CMAKE_DIR}")
endif()
set(__qt_use_no_default_path_for_qt_packages "NO_DEFAULT_PATH")
if(QT_DISABLE_NO_DEFAULT_PATH_IN_QT_PACKAGES)
set(__qt_use_no_default_path_for_qt_packages "")
endif()
find_package(@INSTALL_CMAKE_NAMESPACE@@target_private@ "@PROJECT_VERSION@" EXACT
QUIET
CONFIG
PATHS
${QT_BUILD_CMAKE_PREFIX_PATH}
"${CMAKE_CURRENT_LIST_DIR}/.."
"${_qt_cmake_dir}"
${_qt_additional_packages_prefix_paths}
${__qt_use_no_default_path_for_qt_packages}
)
endif()
if(NOT @INSTALL_CMAKE_NAMESPACE@@target_private@_FOUND)
get_property(@INSTALL_CMAKE_NAMESPACE@@target_private@_warning_shown GLOBAL PROPERTY
@INSTALL_CMAKE_NAMESPACE@@target_private@_warning_shown
)
if(NOT @INSTALL_CMAKE_NAMESPACE@@target_private@_warning_shown)
message(VERBOSE
"The private module package '@INSTALL_CMAKE_NAMESPACE@@target_private@' "
"could not be found. It possibly needs to be installed separately with your "
"package manager."
)
set_property(GLOBAL PROPERTY
@INSTALL_CMAKE_NAMESPACE@@target_private@_warning_shown ON
)
endif()
endif()
endif()
if (NOT QT_NO_CREATE_TARGETS AND @INSTALL_CMAKE_NAMESPACE@@target@_FOUND)
# DEPRECATED
# Provide old style variables for includes, compile definitions, etc.
# These variables are deprecated and only provided on a best-effort basis to facilitate porting.
# Consider using target_link_libraries(app PRIVATE @QT_CMAKE_EXPORT_NAMESPACE@@target@) instead.
set(@QT_CMAKE_EXPORT_NAMESPACE@@target@_LIBRARIES "@QT_CMAKE_EXPORT_NAMESPACE@::@target@")
get_target_property(_@QT_CMAKE_EXPORT_NAMESPACE@@target@_OWN_INCLUDE_DIRS
@QT_CMAKE_EXPORT_NAMESPACE@::@target@ INTERFACE_INCLUDE_DIRECTORIES)
if(NOT _@QT_CMAKE_EXPORT_NAMESPACE@@target@_OWN_INCLUDE_DIRS)
set(_@QT_CMAKE_EXPORT_NAMESPACE@@target@_OWN_INCLUDE_DIRS "")
endif()
if(TARGET @QT_CMAKE_EXPORT_NAMESPACE@::@target@Private)
get_target_property(_@QT_CMAKE_EXPORT_NAMESPACE@@target@_OWN_PRIVATE_INCLUDE_DIRS
@QT_CMAKE_EXPORT_NAMESPACE@::@target@Private INTERFACE_INCLUDE_DIRECTORIES)
if(NOT _@QT_CMAKE_EXPORT_NAMESPACE@@target@_OWN_PRIVATE_INCLUDE_DIRS)
set(_@QT_CMAKE_EXPORT_NAMESPACE@@target@_OWN_PRIVATE_INCLUDE_DIRS "")
endif()
endif()
get_target_property(@QT_CMAKE_EXPORT_NAMESPACE@@target@_DEFINITIONS
@QT_CMAKE_EXPORT_NAMESPACE@::@target@ INTERFACE_COMPILE_DEFINITIONS)
if(NOT @QT_CMAKE_EXPORT_NAMESPACE@@target@_DEFINITIONS)
set(@QT_CMAKE_EXPORT_NAMESPACE@@target@_DEFINITIONS "")
else()
set(updated_defs "")
foreach(def IN LISTS @QT_CMAKE_EXPORT_NAMESPACE@@target@_DEFINITIONS)
if(def MATCHES "^[A-Za-z_]")
list(APPEND updated_defs "-D${def}")
else()
list(APPEND updated_defs "${def}")
endif()
endforeach()
set(@QT_CMAKE_EXPORT_NAMESPACE@@target@_DEFINITIONS "${updated_defs}")
unset(updated_defs)
endif()
get_target_property(@QT_CMAKE_EXPORT_NAMESPACE@@target@_COMPILE_DEFINITIONS
@QT_CMAKE_EXPORT_NAMESPACE@::@target@ INTERFACE_COMPILE_DEFINITIONS)
if(NOT @QT_CMAKE_EXPORT_NAMESPACE@@target@_COMPILE_DEFINITIONS)
set(@QT_CMAKE_EXPORT_NAMESPACE@@target@_COMPILE_DEFINITIONS "")
endif()
set(@QT_CMAKE_EXPORT_NAMESPACE@@target@_INCLUDE_DIRS
${_@QT_CMAKE_EXPORT_NAMESPACE@@target@_OWN_INCLUDE_DIRS})
set(@QT_CMAKE_EXPORT_NAMESPACE@@target@_PRIVATE_INCLUDE_DIRS
${_@QT_CMAKE_EXPORT_NAMESPACE@@target@_OWN_PRIVATE_INCLUDE_DIRS})
foreach(_module_dep ${_@QT_CMAKE_EXPORT_NAMESPACE@@target@_MODULE_DEPENDENCIES})
if(_module_dep MATCHES ".+Private$")
set(_private_suffix "Private")
else()
set(_private_suffix "")
endif()
list(APPEND @QT_CMAKE_EXPORT_NAMESPACE@@target@${_private_suffix}_INCLUDE_DIRS
${@QT_CMAKE_EXPORT_NAMESPACE@${_module_dep}_INCLUDE_DIRS})
list(APPEND @QT_CMAKE_EXPORT_NAMESPACE@@target@${_private_suffix}_PRIVATE_INCLUDE_DIRS
${@QT_CMAKE_EXPORT_NAMESPACE@${_module_dep}_PRIVATE_INCLUDE_DIRS})
if(_private_suffix)
list(APPEND @QT_CMAKE_EXPORT_NAMESPACE@@target@_PRIVATE_INCLUDE_DIRS
${@QT_CMAKE_EXPORT_NAMESPACE@${_module_dep}_PRIVATE_INCLUDE_DIRS})
endif()
list(APPEND @QT_CMAKE_EXPORT_NAMESPACE@@target@${_private_suffix}_DEFINITIONS
${@QT_CMAKE_EXPORT_NAMESPACE@${_module_dep}_DEFINITIONS})
list(APPEND @QT_CMAKE_EXPORT_NAMESPACE@@target@${_private_suffix}_COMPILE_DEFINITIONS
${@QT_CMAKE_EXPORT_NAMESPACE@${_module_dep}_COMPILE_DEFINITIONS})
endforeach()
unset(_private_suffix)
list(REMOVE_DUPLICATES @QT_CMAKE_EXPORT_NAMESPACE@@target@_INCLUDE_DIRS)
list(REMOVE_DUPLICATES @QT_CMAKE_EXPORT_NAMESPACE@@target@_PRIVATE_INCLUDE_DIRS)
list(REMOVE_DUPLICATES @QT_CMAKE_EXPORT_NAMESPACE@@target@_DEFINITIONS)
list(REMOVE_DUPLICATES @QT_CMAKE_EXPORT_NAMESPACE@@target@_COMPILE_DEFINITIONS)
endif()
if (TARGET @QT_CMAKE_EXPORT_NAMESPACE@::@target@)
qt_make_features_available(@QT_CMAKE_EXPORT_NAMESPACE@::@target@)
foreach(extra_cmake_include @extra_cmake_includes@)
include("${CMAKE_CURRENT_LIST_DIR}/${extra_cmake_include}")
endforeach()
if(EXISTS "${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@Plugins.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@Plugins.cmake")
endif()
list(APPEND QT_ALL_MODULES_FOUND_VIA_FIND_PACKAGE "@target@")
get_target_property(_qt_module_target_type "@INSTALL_CMAKE_NAMESPACE@::@target@" TYPE)
if(NOT _qt_module_target_type STREQUAL "INTERFACE_LIBRARY")
get_target_property(_qt_module_plugin_types
@INSTALL_CMAKE_NAMESPACE@::@target@ MODULE_PLUGIN_TYPES)
if(_qt_module_plugin_types)
list(APPEND QT_ALL_PLUGIN_TYPES_FOUND_VIA_FIND_PACKAGE "${_qt_module_plugin_types}")
endif()
endif()
# Load Module's BuildInternals should any exist
if (@INSTALL_CMAKE_NAMESPACE@BuildInternals_DIR AND
EXISTS "${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@BuildInternals.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@BuildInternals.cmake")
endif()
if(NOT QT_NO_CREATE_VERSIONLESS_TARGETS)
if(CMAKE_VERSION VERSION_LESS 3.18 OR QT_USE_OLD_VERSION_LESS_TARGETS)
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@VersionlessTargets.cmake")
else()
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@VersionlessAliasTargets.cmake")
endif()
endif()
else()
set(@INSTALL_CMAKE_NAMESPACE@@target@_FOUND FALSE)
if(NOT DEFINED @INSTALL_CMAKE_NAMESPACE@@target@_NOT_FOUND_MESSAGE)
set(@INSTALL_CMAKE_NAMESPACE@@target@_NOT_FOUND_MESSAGE
"Target \"@QT_CMAKE_EXPORT_NAMESPACE@::@target@\" was not found.")
if(QT_NO_CREATE_TARGETS)
string(APPEND @INSTALL_CMAKE_NAMESPACE@@target@_NOT_FOUND_MESSAGE
"Possibly due to QT_NO_CREATE_TARGETS being set to TRUE and thus "
"${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@Targets.cmake was not "
"included to define the target.")
endif()
endif()
endif()
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