CMake: Clean up and simplify qt6_extract_metatypes implementation
Remove copying of json files in non-prefix builds.
Previously, this was done to mimic the directory layout of prefix
builds in a non-prefix build, but the extra complexity is not worth
it.
Keeping the files in the build directories of each repo in a
non-prefix build should be good enough.
As a result, we don't need to distinguish which file path should be
passed in INTERFACE_SOURCES. Now we have only 2 paths to consider, the
BUILD_INTERFACE one and the INSTALL_PREFIX one, rather than 3
different paths.
Move the code that handles installation closer together.
Rename the internal COPY_OVER_INSTALL option to
___QT_INTERNAL_NO_INSTALL.
We might want to expose it as a public option later, but it depends on
whether we will disable default installation for user projects.
Remove assignment of some properties that are not used anymore.
Amends c431e2d33c
Pick-to: 6.2
Task-number: QTBUG-94942
Change-Id: I3a26d1988987b2ce7c7d01d2311c13b3da3175a8
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
This commit is contained in:
Alexandru Croitor
parent
bcca14a193
commit
fb9cbd3b2a
@ -601,7 +601,7 @@ set(QT_LIBINFIX \"${QT_LIBINFIX}\")")
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set(metatypes_install_dir ${INSTALL_LIBDIR}/metatypes)
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set(args)
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if (NOT QT_WILL_INSTALL)
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set(args COPY_OVER_INSTALL INSTALL_DIR "${QT_BUILD_DIR}/${metatypes_install_dir}")
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set(args __QT_INTERNAL_NO_INSTALL)
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else()
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set(args INSTALL_DIR "${metatypes_install_dir}")
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endif()
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@ -317,8 +317,7 @@ set(core_metatype_args MANUAL_MOC_JSON_FILES ${core_qobject_metatypes_json_list}
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set(metatypes_install_dir ${INSTALL_LIBDIR}/metatypes)
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if (NOT QT_WILL_INSTALL)
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list(APPEND core_metatype_args
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COPY_OVER_INSTALL INSTALL_DIR "${QT_BUILD_DIR}/${metatypes_install_dir}")
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list(APPEND core_metatype_args __QT_INTERNAL_NO_INSTALL)
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else()
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list(APPEND core_metatype_args INSTALL_DIR "${metatypes_install_dir}")
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endif()
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@ -934,8 +934,7 @@ endif()
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# INSTALL_DIR: Location where to install the metatypes file. For public consumption,
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# defaults to a ${CMAKE_INSTALL_PREFIX}/${INSTALL_LIBDIR}/metatypes directory.
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# Executable metatypes files are never installed.
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# COPY_OVER_INSTALL: (Qt Internal) When present will install the file via a post build step
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# copy rather than using install.
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# __QT_INTERNAL_NO_INSTALL: When passed, will skip installation of the metatype file.
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function(qt6_extract_metatypes target)
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get_target_property(existing_meta_types_file ${target} INTERFACE_QT_META_TYPES_BUILD_FILE)
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@ -943,7 +942,8 @@ function(qt6_extract_metatypes target)
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return()
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endif()
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cmake_parse_arguments(arg "COPY_OVER_INSTALL" "INSTALL_DIR" "MANUAL_MOC_JSON_FILES" ${ARGN})
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cmake_parse_arguments(arg
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"__QT_INTERNAL_NO_INSTALL" "INSTALL_DIR" "MANUAL_MOC_JSON_FILES" ${ARGN})
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get_target_property(target_type ${target} TYPE)
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if (target_type STREQUAL "INTERFACE_LIBRARY")
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@ -956,24 +956,6 @@ function(qt6_extract_metatypes target)
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return()
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endif()
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# Whether the generated json file needs to be installed for prefix-builds, or copied for
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# non-prefix builds. Regardless of the type of build, executable metatypes.json files should
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# not be installed. Only library .json files should be installed.
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set(should_install "TRUE")
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if (target_type STREQUAL "EXECUTABLE")
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set(should_install "FALSE")
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endif()
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# Automatically fill default install args when not specified.
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if (NOT arg_INSTALL_DIR)
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# INSTALL_LIBDIR is not set when QtBuildInternals is not loaded (when not doing a Qt build).
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if(INSTALL_LIBDIR)
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set(arg_INSTALL_DIR "${INSTALL_LIBDIR}/metatypes")
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else()
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set(arg_INSTALL_DIR "lib/metatypes")
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endif()
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endif()
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get_target_property(target_binary_dir ${target} BINARY_DIR)
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set(type_list_file "${target_binary_dir}/meta_types/${target}_json_file_list.txt")
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set(type_list_file_manual "${target_binary_dir}/meta_types/${target}_json_file_list_manual.txt")
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@ -1117,33 +1099,10 @@ function(qt6_extract_metatypes target)
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file(TOUCH ${metatypes_file})
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endif()
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# Need to make the path absolute during a Qt non-prefix build, otherwise files are written
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# to the source dir because the paths are relative to the source dir when using file(TOUCH).
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if(arg_COPY_OVER_INSTALL AND NOT IS_ABSOLUTE "${arg_INSTALL_DIR}/${metatypes_file_name}")
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set(arg_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/${arg_INSTALL_DIR}")
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endif()
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set(metatypes_file_non_prefix)
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if(should_install AND arg_COPY_OVER_INSTALL)
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set(metatypes_file_non_prefix "${arg_INSTALL_DIR}/${metatypes_file_name}")
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set(metatypes_non_prefix_copy
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COMMAND ${CMAKE_COMMAND} -E copy_if_different
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"${metatypes_file}"
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"${metatypes_file_non_prefix}"
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)
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# The reason for this configure-time file creation is described in a comment slightly above.
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if(NOT EXISTS "${metatypes_file_non_prefix}")
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file(MAKE_DIRECTORY "${arg_INSTALL_DIR}")
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file(TOUCH "${metatypes_file_non_prefix}")
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endif()
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endif()
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add_custom_command(
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OUTPUT
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${metatypes_file_gen}
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${metatypes_file}
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${metatypes_file_non_prefix}
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DEPENDS ${QT_CMAKE_EXPORT_NAMESPACE}::moc ${automoc_dependencies} ${manual_dependencies}
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COMMAND ${QT_CMAKE_EXPORT_NAMESPACE}::moc
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-o ${metatypes_file_gen}
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@ -1151,49 +1110,57 @@ function(qt6_extract_metatypes target)
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COMMAND ${CMAKE_COMMAND} -E copy_if_different
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${metatypes_file_gen}
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${metatypes_file}
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# One more command
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${metatypes_non_prefix_copy}
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COMMENT "Running moc --collect-json for target ${target}"
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)
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# We still need to add this file as a source of Core, otherwise the file
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# We still need to add this file as a source of the target, otherwise the file
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# rule above is not triggered. INTERFACE_SOURCES do not properly register
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# as dependencies to build the current target.
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# TODO: Can we pass ${metatypes_file} instead of ${metatypes_file_gen} as a source?
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# TODO: Do we still need the _gen variant at all?
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target_sources(${target} PRIVATE ${metatypes_file_gen})
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set(metatypes_file_genex_build)
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set(metatypes_file_genex_install)
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if (arg_COPY_OVER_INSTALL)
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if(should_install)
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set(metatypes_file_genex_build
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"$<BUILD_INTERFACE:$<$<BOOL:$<TARGET_PROPERTY:QT_CONSUMES_METATYPES>>:${arg_INSTALL_DIR}/${metatypes_file_name}>>"
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)
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endif()
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else()
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set(metatypes_file_genex_build
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"$<BUILD_INTERFACE:$<$<BOOL:$<TARGET_PROPERTY:QT_CONSUMES_METATYPES>>:${metatypes_file}>>"
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)
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if(should_install)
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set(metatypes_file_genex_install
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"$<INSTALL_INTERFACE:$<$<BOOL:$<TARGET_PROPERTY:QT_CONSUMES_METATYPES>>:$<INSTALL_PREFIX>/${arg_INSTALL_DIR}/${metatypes_file_name}>>"
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)
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endif()
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endif()
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set_source_files_properties(${metatypes_file} PROPERTIES HEADER_FILE_ONLY TRUE)
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set_target_properties(${target} PROPERTIES
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INTERFACE_QT_MODULE_HAS_META_TYPES YES
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INTERFACE_QT_MODULE_META_TYPES_FROM_BUILD YES
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INTERFACE_QT_META_TYPES_BUILD_FILE "${metatypes_file}"
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QT_MODULE_META_TYPES_FILE_GENEX_BUILD "${metatypes_file_genex_build}"
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QT_MODULE_META_TYPES_FILE_GENEX_INSTALL "${metatypes_file_genex_install}"
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)
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target_sources(${target} INTERFACE ${metatypes_file_genex_build} ${metatypes_file_genex_install})
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# Set up consumption of files via INTERFACE_SOURCES.
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set(consumes_metatypes "$<BOOL:$<TARGET_PROPERTY:QT_CONSUMES_METATYPES>>")
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set(metatypes_file_genex_build
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"$<BUILD_INTERFACE:$<${consumes_metatypes}:${metatypes_file}>>"
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)
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target_sources(${target} INTERFACE ${metatypes_file_genex_build})
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# Chech whether the generated json file needs to be installed.
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# Executable metatypes.json files should not be installed. Qt non-prefix builds should also
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# not install the files.
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set(should_install TRUE)
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if (target_type STREQUAL "EXECUTABLE" OR arg___QT_INTERNAL_NO_INSTALL)
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set(should_install "FALSE")
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endif()
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# Automatically fill default install args when not specified.
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if (NOT arg_INSTALL_DIR)
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# INSTALL_LIBDIR is not set when QtBuildInternals is not loaded (when not doing a Qt build).
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# Default to a hardcoded location for user projects.
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if(INSTALL_LIBDIR)
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set(arg_INSTALL_DIR "${INSTALL_LIBDIR}/metatypes")
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else()
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set(arg_INSTALL_DIR "lib/metatypes")
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endif()
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endif()
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if(should_install)
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if(NOT arg_COPY_OVER_INSTALL)
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set(metatypes_file_install_path "${arg_INSTALL_DIR}/${metatypes_file_name}")
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set(metatypes_file_install_path_genex "$<INSTALL_PREFIX>/${metatypes_file_install_path}")
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set(metatypes_file_genex_install
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"$<INSTALL_INTERFACE:$<${consumes_metatypes}:${metatypes_file_install_path_genex}>>"
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)
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target_sources(${target} INTERFACE ${metatypes_file_genex_install})
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install(FILES "${metatypes_file}" DESTINATION "${arg_INSTALL_DIR}")
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endif()
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endif()
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endfunction()
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if(NOT QT_NO_CREATE_VERSIONLESS_FUNCTIONS)
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