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qt5base-lts/cmake/QtToolHelpers.cmake
Cristian Adam 501018ea33 Win32: Add "longPathAware" manifest / rc for internal tools 
This will enable all qt internal tools to be able to access files
on paths longer than 255 characters.

Two examples that were not working before: moc and windeployqt.

Fixes: QTBUG-109207
Change-Id: I93f9770f1d3c4f3f2cca4655e4bed89c95b9786b
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2022-12-08 17:56:47 +01:00

657 lines
27 KiB
CMake
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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
# This function is used to define a "Qt tool", such as moc, uic or rcc.
#
# USER_FACING can be passed to mark the tool as a program that is supposed to be
# started directly by users.
#
# We must pass this function a target name obtained from
# qt_get_tool_target_name like this:
# qt_get_tool_target_name(target_name my_tool)
# qt_internal_add_tool(${target_name})
#
# Option Arguments:
# INSTALL_VERSIONED_LINK
# Prefix build only. On installation, create a versioned hard-link of the installed file.
# E.g. create a link of "bin/qmake6" to "bin/qmake".
#
# One-value Arguments:
# EXTRA_CMAKE_FILES
# List of additional CMake files that will be installed alongside the tool's exported CMake
# files.
# EXTRA_CMAKE_INCLUDES
# List of files that will be included in the Qt6${module}Tools.cmake file.
# Also see TOOLS_TARGET.
# INSTALL_DIR
# Takes a path, relative to the install prefix, like INSTALL_LIBEXECDIR.
# If this argument is omitted, the default is INSTALL_BINDIR.
# TOOLS_TARGET
# Specifies the module this tool belongs to. The module's Qt6${module}Tools.cmake file
# will then contain targets for this tool.
# CORE_LIBRARY
# The argument accepts 'Bootstrap' or 'None' values. If the argument value is set to
# 'Bootstrap' the Qt::Bootstrap library is linked to the executable instead of Qt::Core.
# The 'None' value points that core library is not necessary and avoids linking neither
# Qt::Core or Qt::Bootstrap libraries. Otherwise the Qt::Core library will be publicly
# linked to the executable target by default.
function(qt_internal_add_tool target_name)
qt_tool_target_to_name(name ${target_name})
set(option_keywords NO_INSTALL USER_FACING INSTALL_VERSIONED_LINK EXCEPTIONS)
set(one_value_keywords
TOOLS_TARGET
INSTALL_DIR
CORE_LIBRARY
${__default_target_info_args})
set(multi_value_keywords
EXTRA_CMAKE_FILES
EXTRA_CMAKE_INCLUDES
PUBLIC_LIBRARIES
${__default_private_args})
qt_parse_all_arguments(arg "qt_internal_add_tool" "${option_keywords}"
"${one_value_keywords}"
"${multi_value_keywords}" ${ARGN})
qt_internal_find_tool(will_build_tools ${target_name} "${arg_TOOLS_TARGET}")
if(NOT will_build_tools)
return()
endif()
set(disable_autogen_tools "${arg_DISABLE_AUTOGEN_TOOLS}")
set(corelib "")
if(arg_CORE_LIBRARY STREQUAL "Bootstrap" OR arg_CORE_LIBRARY STREQUAL "None")
set(corelib CORE_LIBRARY ${arg_CORE_LIBRARY})
list(APPEND disable_autogen_tools "uic" "moc" "rcc")
endif()
set(exceptions "")
if(arg_EXCEPTIONS)
set(exceptions EXCEPTIONS)
endif()
set(install_dir "${INSTALL_BINDIR}")
if(arg_INSTALL_DIR)
set(install_dir "${arg_INSTALL_DIR}")
endif()
set(output_dir "${QT_BUILD_DIR}/${install_dir}")
if(arg_PUBLIC_LIBRARIES)
message(WARNING
"qt_internal_add_tool's PUBLIC_LIBRARIES option is deprecated, and will be "
"removed in a future Qt version. Use the LIBRARIES option instead.")
endif()
qt_internal_library_deprecation_level(deprecation_define)
qt_internal_add_executable("${target_name}"
OUTPUT_DIRECTORY "${output_dir}"
${exceptions}
NO_INSTALL
SOURCES ${arg_SOURCES}
INCLUDE_DIRECTORIES
${arg_INCLUDE_DIRECTORIES}
DEFINES
QT_USE_QSTRINGBUILDER
${arg_DEFINES}
${deprecation_define}
${corelib}
LIBRARIES
${arg_LIBRARIES}
${arg_PUBLIC_LIBRARIES}
Qt::PlatformToolInternal
COMPILE_OPTIONS ${arg_COMPILE_OPTIONS}
LINK_OPTIONS ${arg_LINK_OPTIONS}
MOC_OPTIONS ${arg_MOC_OPTIONS}
DISABLE_AUTOGEN_TOOLS ${disable_autogen_tools}
TARGET_VERSION "${arg_TARGET_VERSION}"
TARGET_PRODUCT "${arg_TARGET_PRODUCT}"
TARGET_DESCRIPTION "${arg_TARGET_DESCRIPTION}"
TARGET_COMPANY "${arg_TARGET_COMPANY}"
TARGET_COPYRIGHT "${arg_TARGET_COPYRIGHT}"
)
qt_internal_add_target_aliases("${target_name}")
_qt_internal_apply_strict_cpp("${target_name}")
qt_internal_adjust_main_config_runtime_output_dir("${target_name}" "${output_dir}")
if (WIN32)
_qt_internal_generate_longpath_win32_rc_file_and_manifest("${target_name}")
endif()
set_target_properties(${target_name} PROPERTIES
_qt_package_version "${PROJECT_VERSION}"
)
set_property(TARGET ${target_name}
APPEND PROPERTY
EXPORT_PROPERTIES "_qt_package_version")
if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.19.0" AND QT_FEATURE_debug_and_release)
set_property(TARGET "${target_name}"
PROPERTY EXCLUDE_FROM_ALL "$<NOT:$<CONFIG:${QT_MULTI_CONFIG_FIRST_CONFIG}>>")
endif()
if (NOT target_name STREQUAL name)
set_target_properties(${target_name} PROPERTIES
OUTPUT_NAME ${name}
EXPORT_NAME ${name}
)
endif()
if(TARGET host_tools)
add_dependencies(host_tools "${target_name}")
if(arg_CORE_LIBRARY STREQUAL "Bootstrap")
add_dependencies(bootstrap_tools "${target_name}")
endif()
endif()
if(arg_EXTRA_CMAKE_FILES)
set_target_properties(${target_name} PROPERTIES
EXTRA_CMAKE_FILES "${arg_EXTRA_CMAKE_FILES}"
)
endif()
if(arg_EXTRA_CMAKE_INCLUDES)
set_target_properties(${target_name} PROPERTIES
EXTRA_CMAKE_INCLUDES "${arg_EXTRA_CMAKE_INCLUDES}"
)
endif()
if(arg_USER_FACING)
set_property(GLOBAL APPEND PROPERTY QT_USER_FACING_TOOL_TARGETS ${target_name})
endif()
if(NOT arg_NO_INSTALL AND arg_TOOLS_TARGET)
# Assign a tool to an export set, and mark the module to which the tool belongs.
qt_internal_append_known_modules_with_tools("${arg_TOOLS_TARGET}")
# Also append the tool to the module list.
qt_internal_append_known_module_tool("${arg_TOOLS_TARGET}" "${target_name}")
qt_get_cmake_configurations(cmake_configs)
set(install_initial_call_args
EXPORT "${INSTALL_CMAKE_NAMESPACE}${arg_TOOLS_TARGET}ToolsTargets")
foreach(cmake_config ${cmake_configs})
qt_get_install_target_default_args(
OUT_VAR install_targets_default_args
RUNTIME "${install_dir}"
CMAKE_CONFIG "${cmake_config}"
ALL_CMAKE_CONFIGS "${cmake_configs}")
# Make installation optional for targets that are not built by default in this config
if(QT_FEATURE_debug_and_release
AND NOT (cmake_config STREQUAL QT_MULTI_CONFIG_FIRST_CONFIG))
set(install_optional_arg OPTIONAL)
else()
unset(install_optional_arg)
endif()
qt_install(TARGETS "${target_name}"
${install_initial_call_args}
${install_optional_arg}
CONFIGURATIONS ${cmake_config}
${install_targets_default_args})
unset(install_initial_call_args)
endforeach()
if(arg_INSTALL_VERSIONED_LINK)
qt_internal_install_versioned_link(WORKING_DIRECTORY "${install_dir}"
TARGETS "${target_name}")
endif()
qt_apply_rpaths(TARGET "${target_name}" INSTALL_PATH "${install_dir}" RELATIVE_RPATH)
qt_internal_apply_staging_prefix_build_rpath_workaround()
endif()
qt_enable_separate_debug_info(${target_name} "${install_dir}" QT_EXECUTABLE)
qt_internal_install_pdb_files(${target_name} "${install_dir}")
endfunction()
function(qt_export_tools module_name)
# Bail out when not building tools.
if(NOT QT_WILL_BUILD_TOOLS)
return()
endif()
# If no tools were defined belonging to this module, don't create a config and targets file.
if(NOT "${module_name}" IN_LIST QT_KNOWN_MODULES_WITH_TOOLS)
return()
endif()
# The tools target name. For example: CoreTools
set(target "${module_name}Tools")
set(path_suffix "${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})
# Add the extra cmake statements to make the tool targets global, so it doesn't matter where
# find_package is called.
# Also assemble a list of tool targets to expose in the config file for informational purposes.
set(extra_cmake_statements "")
set(tool_targets "")
set(tool_targets_non_prefixed "")
# List of package dependencies that need be find_package'd when using the Tools package.
set(package_deps "")
# Additional cmake files to install
set(extra_cmake_files "")
set(extra_cmake_includes "")
set(first_tool_package_version "")
foreach(tool_name ${QT_KNOWN_MODULE_${module_name}_TOOLS})
# Specific tools can have package dependencies.
# e.g. qtwaylandscanner depends on WaylandScanner (non-qt package).
get_target_property(extra_packages "${tool_name}" QT_EXTRA_PACKAGE_DEPENDENCIES)
if(extra_packages)
list(APPEND package_deps "${extra_packages}")
endif()
get_target_property(_extra_cmake_files "${tool_name}" EXTRA_CMAKE_FILES)
if (_extra_cmake_files)
foreach(cmake_file ${_extra_cmake_files})
file(COPY "${cmake_file}" DESTINATION "${config_build_dir}")
list(APPEND extra_cmake_files "${cmake_file}")
endforeach()
endif()
get_target_property(_extra_cmake_includes "${tool_name}" EXTRA_CMAKE_INCLUDES)
if(_extra_cmake_includes)
list(APPEND extra_cmake_includes "${_extra_cmake_includes}")
endif()
if (QT_WILL_RENAME_TOOL_TARGETS)
string(REGEX REPLACE "_native$" "" tool_name ${tool_name})
endif()
set(extra_cmake_statements "${extra_cmake_statements}
if (NOT QT_NO_CREATE_TARGETS)
__qt_internal_promote_target_to_global(${INSTALL_CMAKE_NAMESPACE}::${tool_name})
endif()
")
list(APPEND tool_targets "${QT_CMAKE_EXPORT_NAMESPACE}::${tool_name}")
list(APPEND tool_targets_non_prefixed "${tool_name}")
if(NOT first_tool_package_version)
qt_internal_get_package_version_of_target("${tool_name}" tool_package_version)
if(tool_package_version)
set(first_tool_package_version "${tool_package_version}")
endif()
endif()
endforeach()
string(APPEND extra_cmake_statements
"set(${QT_CMAKE_EXPORT_NAMESPACE}${module_name}Tools_TARGETS \"${tool_targets}\")")
# Extract package dependencies that were determined in QtPostProcess, but only if ${module_name}
# is an actual target.
# module_name can be a non-existent target, if the tool doesn't have an existing associated
# module, e.g. qtwaylandscanner.
if(TARGET "${module_name}")
get_target_property(module_package_deps "${module_name}" _qt_tools_package_deps)
if(module_package_deps)
list(APPEND package_deps "${module_package_deps}")
endif()
endif()
# Configure and install dependencies file for the ${module_name}Tools package.
configure_file(
"${QT_CMAKE_DIR}/QtModuleToolsDependencies.cmake.in"
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}Dependencies.cmake"
@ONLY
)
qt_install(FILES
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}Dependencies.cmake"
DESTINATION "${config_install_dir}"
COMPONENT Devel
)
if(extra_cmake_files)
qt_install(FILES
${extra_cmake_files}
DESTINATION "${config_install_dir}"
COMPONENT Devel
)
endif()
# Configure and install the ${module_name}Tools package Config file.
qt_internal_get_min_new_policy_cmake_version(min_new_policy_version)
qt_internal_get_max_new_policy_cmake_version(max_new_policy_version)
configure_package_config_file(
"${QT_CMAKE_DIR}/QtModuleToolsConfig.cmake.in"
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}Config.cmake"
INSTALL_DESTINATION "${config_install_dir}"
)
# There might be Tools packages which don't have a corresponding real module_name target, like
# WaylandScannerTools.
# In that case we'll use the package version of the first tool that belongs to that package.
if(TARGET "${module_name}")
qt_internal_get_package_version_of_target("${module_name}" tools_package_version)
elseif(first_tool_package_version)
set(tools_package_version "${first_tool_package_version}")
else()
# This should never happen, because tools_package_version should always have at least some
# value. Issue an assertion message just in case the pre-condition ever changes.
set(tools_package_version "${PROJECT_VERSION}")
if(FEATURE_developer_build)
message(WARNING
"Could not determine package version of tools package ${module_name}. "
"Defaulting to project version ${PROJECT_VERSION}.")
endif()
endif()
message(TRACE
"Exporting tools package ${module_name}Tools with package version ${tools_package_version}"
"\n included targets: ${tool_targets_non_prefixed}")
write_basic_package_version_file(
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}ConfigVersionImpl.cmake"
VERSION "${tools_package_version}"
COMPATIBILITY AnyNewerVersion
ARCH_INDEPENDENT
)
qt_internal_write_qt_package_version_file(
"${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}${target}ConfigVersionImpl.cmake"
DESTINATION "${config_install_dir}"
COMPONENT Devel
)
set(export_name "${INSTALL_CMAKE_NAMESPACE}${target}Targets")
qt_install(EXPORT "${export_name}"
NAMESPACE "${QT_CMAKE_EXPORT_NAMESPACE}::"
DESTINATION "${config_install_dir}")
qt_internal_export_additional_targets_file(
TARGETS ${QT_KNOWN_MODULE_${module_name}_TOOLS}
TARGET_EXPORT_NAMES ${tool_targets}
EXPORT_NAME_PREFIX ${INSTALL_CMAKE_NAMESPACE}${target}
CONFIG_INSTALL_DIR "${config_install_dir}")
# Create versionless targets file.
configure_file(
"${QT_CMAKE_DIR}/QtModuleToolsVersionlessTargets.cmake.in"
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}VersionlessTargets.cmake"
@ONLY
)
qt_install(FILES
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}VersionlessTargets.cmake"
DESTINATION "${config_install_dir}"
COMPONENT Devel
)
endfunction()
# Returns the target name for the tool with the given name.
#
# In most cases, the target name is the same as the tool name.
# If the user specifies to build tools when cross-compiling, then the
# suffix "_native" is appended.
function(qt_get_tool_target_name out_var name)
if (QT_WILL_RENAME_TOOL_TARGETS)
set(${out_var} ${name}_native PARENT_SCOPE)
else()
set(${out_var} ${name} PARENT_SCOPE)
endif()
endfunction()
# Returns the tool name for a given tool target.
# This is the inverse of qt_get_tool_target_name.
function(qt_tool_target_to_name out_var target)
set(name ${target})
if (QT_WILL_RENAME_TOOL_TARGETS)
string(REGEX REPLACE "_native$" "" name ${target})
endif()
set(${out_var} ${name} PARENT_SCOPE)
endfunction()
# Sets QT_WILL_BUILD_TOOLS if tools will be built and QT_WILL_RENAME_TOOL_TARGETS
# if those tools have replaced naming.
function(qt_check_if_tools_will_be_built)
# By default, we build our own tools unless we're cross-building.
set(need_target_rename FALSE)
if(CMAKE_CROSSCOMPILING)
set(will_build_tools FALSE)
if(QT_FORCE_BUILD_TOOLS)
set(will_build_tools TRUE)
set(need_target_rename TRUE)
endif()
else()
set(will_build_tools TRUE)
if(QT_FORCE_FIND_TOOLS)
set(will_build_tools FALSE)
if(QT_FORCE_BUILD_TOOLS)
set(will_build_tools TRUE)
set(need_target_rename TRUE)
endif()
endif()
endif()
set(QT_WILL_BUILD_TOOLS ${will_build_tools} CACHE INTERNAL "Are tools going to be built" FORCE)
set(QT_WILL_RENAME_TOOL_TARGETS ${need_target_rename} CACHE INTERNAL
"Do tool targets need to be renamed" FORCE)
endfunction()
# Use this macro to exit a file or function scope unless we're building tools. This is supposed to
# be called after qt_internal_add_tools() to avoid special-casing operations on imported targets.
macro(qt_internal_return_unless_building_tools)
if(NOT QT_WILL_BUILD_TOOLS)
return()
endif()
endmacro()
# Equivalent of qmake's qtNomakeTools(directory1 directory2).
# If QT_BUILD_TOOLS_BY_DEFAULT is true, then targets within the given directories will be excluded
# from the default 'all' target, as well as from install phase. The private variable is checked by
# qt_internal_add_executable.
function(qt_exclude_tool_directories_from_default_target)
if(NOT QT_BUILD_TOOLS_BY_DEFAULT)
set(absolute_path_directories "")
foreach(directory ${ARGV})
list(APPEND absolute_path_directories "${CMAKE_CURRENT_SOURCE_DIR}/${directory}")
endforeach()
set(__qt_exclude_tool_directories "${absolute_path_directories}" PARENT_SCOPE)
endif()
endfunction()
function(qt_internal_find_tool out_var target_name tools_target)
qt_tool_target_to_name(name ${target_name})
# Handle case when a tool does not belong to a module and it can't be built either (like
# during a cross-compile).
if(NOT tools_target AND NOT QT_WILL_BUILD_TOOLS)
message(FATAL_ERROR "The tool \"${name}\" has not been assigned to a module via"
" TOOLS_TARGET (so it can't be found) and it can't be built"
" (QT_WILL_BUILD_TOOLS is ${QT_WILL_BUILD_TOOLS}).")
endif()
if(QT_WILL_RENAME_TOOL_TARGETS AND (name STREQUAL target_name))
message(FATAL_ERROR
"qt_internal_add_tool must be passed a target obtained from qt_get_tool_target_name.")
endif()
set(full_name "${QT_CMAKE_EXPORT_NAMESPACE}::${name}")
set(imported_tool_target_already_found FALSE)
# This condition can only be TRUE if a previous find_package(Qt6${tools_target}Tools)
# was already done. That can happen if QT_FORCE_FIND_TOOLS was ON or we're cross-compiling.
# In such a case, we need to exit early if we're not going to also build the tools.
if(TARGET ${full_name})
get_property(path TARGET ${full_name} PROPERTY LOCATION)
message(STATUS "Tool '${full_name}' was found at ${path}.")
set(imported_tool_target_already_found TRUE)
if(NOT QT_WILL_BUILD_TOOLS)
set(${out_var} "FALSE" PARENT_SCOPE)
return()
endif()
endif()
# We need to search for the host Tools package when doing a cross-build
# or when QT_FORCE_FIND_TOOLS is ON.
# As an optimiziation, we don't search for the package one more time if the target
# was already brought into scope from a previous find_package.
set(search_for_host_package FALSE)
if(NOT QT_WILL_BUILD_TOOLS OR QT_WILL_RENAME_TOOL_TARGETS)
set(search_for_host_package TRUE)
endif()
if(search_for_host_package AND NOT imported_tool_target_already_found)
set(tools_package_name "${INSTALL_CMAKE_NAMESPACE}${tools_target}Tools")
message(STATUS "Searching for tool '${full_name}' in package ${tools_package_name}.")
# Create the tool targets, even if QT_NO_CREATE_TARGETS is set.
# Otherwise targets like Qt6::moc are not available in a top-level cross-build.
set(BACKUP_QT_NO_CREATE_TARGETS ${QT_NO_CREATE_TARGETS})
set(QT_NO_CREATE_TARGETS OFF)
# When cross-compiling, we want to search for Tools packages in QT_HOST_PATH.
# To do that, we override CMAKE_PREFIX_PATH and CMAKE_FIND_ROOT_PATH.
#
# We don't use find_package + PATHS option because any recursive find_dependency call
# inside a Tools package would not inherit the initial PATHS value given.
# TODO: Potentially we could set a global __qt_cmake_host_dir var like we currently
# do with _qt_cmake_dir in Qt6Config and change all our host tool find_package calls
# everywhere to specify that var in PATHS.
#
# Note though that due to path rerooting issue in
# https://gitlab.kitware.com/cmake/cmake/-/issues/21937
# we have to append a lib/cmake suffix to CMAKE_PREFIX_PATH so the value does not get
# rerooted on top of CMAKE_FIND_ROOT_PATH.
# Use QT_HOST_PATH_CMAKE_DIR for the suffix when available (it would be set by
# the qt.toolchain.cmake file when building other repos or given by the user when
# configuring qtbase) or derive it from from the Qt6HostInfo package which is
# found in QtSetup.
set(${tools_package_name}_BACKUP_CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH})
set(${tools_package_name}_BACKUP_CMAKE_FIND_ROOT_PATH "${CMAKE_FIND_ROOT_PATH}")
if(QT_HOST_PATH_CMAKE_DIR)
set(qt_host_path_cmake_dir_absolute "${QT_HOST_PATH_CMAKE_DIR}")
elseif(Qt${PROJECT_VERSION_MAJOR}HostInfo_DIR)
get_filename_component(qt_host_path_cmake_dir_absolute
"${Qt${PROJECT_VERSION_MAJOR}HostInfo_DIR}/.." ABSOLUTE)
else()
# This should never happen, serves as an assert.
message(FATAL_ERROR
"Neither QT_HOST_PATH_CMAKE_DIR nor "
"Qt${PROJECT_VERSION_MAJOR}HostInfo_DIR available.")
endif()
set(CMAKE_PREFIX_PATH "${qt_host_path_cmake_dir_absolute}")
# Look for tools in additional host Qt installations. This is done for conan support where
# we have separate installation prefixes per package. For simplicity, we assume here that
# all host Qt installations use the same value of INSTALL_LIBDIR.
if(DEFINED QT_ADDITIONAL_HOST_PACKAGES_PREFIX_PATH)
file(RELATIVE_PATH rel_host_cmake_dir "${QT_HOST_PATH}"
"${qt_host_path_cmake_dir_absolute}")
foreach(host_path IN LISTS QT_ADDITIONAL_HOST_PACKAGES_PREFIX_PATH)
set(host_cmake_dir "${host_path}/${rel_host_cmake_dir}")
list(PREPEND CMAKE_PREFIX_PATH "${host_cmake_dir}")
endforeach()
list(PREPEND CMAKE_FIND_ROOT_PATH "${QT_ADDITIONAL_HOST_PACKAGES_PREFIX_PATH}")
endif()
list(PREPEND CMAKE_FIND_ROOT_PATH "${QT_HOST_PATH}")
find_package(
${tools_package_name}
${PROJECT_VERSION}
NO_PACKAGE_ROOT_PATH
NO_CMAKE_ENVIRONMENT_PATH
NO_SYSTEM_ENVIRONMENT_PATH
NO_CMAKE_PACKAGE_REGISTRY
NO_CMAKE_SYSTEM_PATH
NO_CMAKE_SYSTEM_PACKAGE_REGISTRY)
# Restore backups.
set(CMAKE_FIND_ROOT_PATH "${${tools_package_name}_BACKUP_CMAKE_FIND_ROOT_PATH}")
set(CMAKE_PREFIX_PATH "${${tools_package_name}_BACKUP_CMAKE_PREFIX_PATH}")
set(QT_NO_CREATE_TARGETS ${BACKUP_QT_NO_CREATE_TARGETS})
if(${${tools_package_name}_FOUND} AND TARGET ${full_name})
# Even if the tool is already visible, make sure that our modules remain associated
# with the tools.
qt_internal_append_known_modules_with_tools("${tools_target}")
get_property(path TARGET ${full_name} PROPERTY LOCATION)
message(STATUS "${full_name} was found at ${path} using package ${tools_package_name}.")
if (NOT QT_FORCE_BUILD_TOOLS)
set(${out_var} "FALSE" PARENT_SCOPE)
return()
endif()
endif()
endif()
if(NOT QT_WILL_BUILD_TOOLS)
if(${${tools_package_name}_FOUND})
set(pkg_found_msg "")
string(APPEND pkg_found_msg
"the ${tools_package_name} package, but the package did not contain the tool. "
"Make sure that the host module ${tools_target} was built with all features "
"enabled (no explicitly disabled tools).")
else()
set(pkg_found_msg "")
string(APPEND pkg_found_msg
"the ${tools_package_name} package, but the package could not be found. "
"Make sure you have built and installed the host ${tools_target} module, "
"which will ensure the creation of the ${tools_package_name} package.")
endif()
message(FATAL_ERROR
"Failed to find the host tool \"${full_name}\". It is part of "
${pkg_found_msg})
else()
message(STATUS "Tool '${full_name}' will be built from source.")
endif()
set(${out_var} "TRUE" PARENT_SCOPE)
endfunction()
# This function adds an internal tool that should be compiled at configure time.
# TOOLS_TARGET
# Specifies the module this tool belongs to. The Qt6${TOOLS_TARGET}Tools module
# will then expose targets for this tool. Ignored if NO_INSTALL is set.
function(qt_internal_add_configure_time_tool target_name)
set(one_value_args INSTALL_DIRECTORY TOOLS_TARGET)
set(multi_value_args)
set(option_args NO_INSTALL)
cmake_parse_arguments(PARSE_ARGV 1 arg
"${option_args}" "${one_value_args}" "${multi_value_args}")
qt_internal_find_tool(will_build_tools ${target_name} "${arg_TOOLS_TARGET}")
if(NOT will_build_tools)
return()
endif()
qt_tool_target_to_name(name ${target_name})
set(extra_args "")
if(arg_NO_INSTALL OR NOT arg_TOOLS_TARGET)
list(APPEND extra_args "NO_INSTALL")
else()
set(install_dir "${INSTALL_BINDIR}")
if(arg_INSTALL_DIRECTORY)
set(install_dir "${arg_INSTALL_DIRECTORY}")
endif()
set(extra_args "INSTALL_DIRECTORY" "${install_dir}")
endif()
string(REPLACE "\\\;" "\\\\\\\;" unparsed_arguments "${arg_UNPARSED_ARGUMENTS}")
qt_internal_add_configure_time_executable(${target_name}
OUTPUT_NAME ${name}
${extra_args}
${unparsed_arguments}
)
if(NOT arg_NO_INSTALL AND arg_TOOLS_TARGET)
qt_internal_add_targets_to_additional_targets_export_file(
TARGETS ${target_name}
TARGET_EXPORT_NAMES ${QT_CMAKE_EXPORT_NAMESPACE}::${name}
EXPORT_NAME_PREFIX ${INSTALL_CMAKE_NAMESPACE}${arg_TOOLS_TARGET}Tools
)
endif()
endfunction()
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