2020-08-13 15:37:47 +00:00
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function(qt_ensure_perl)
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if(DEFINED HOST_PERL)
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return()
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endif()
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find_program(HOST_PERL "perl" DOC "Perl binary")
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if (NOT HOST_PERL)
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message(FATAL_ERROR "Perl needs to be available to build Qt.")
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endif()
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endfunction()
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function(qt_ensure_sync_qt)
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qt_ensure_perl()
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if(DEFINED QT_SYNCQT)
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return()
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endif()
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# When building qtbase, use the source syncqt, otherwise use the installed one.
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set(SYNCQT_FROM_SOURCE "${QtBase_SOURCE_DIR}/bin/syncqt.pl")
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if(NOT ("${QtBase_SOURCE_DIR}" STREQUAL "") AND EXISTS "${SYNCQT_FROM_SOURCE}")
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set(QT_SYNCQT "${SYNCQT_FROM_SOURCE}" CACHE FILEPATH "syncqt script")
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message(STATUS "Using source syncqt found at: ${QT_SYNCQT}")
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qt_path_join(syncqt_install_dir ${QT_INSTALL_DIR} ${INSTALL_LIBEXECDIR})
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qt_copy_or_install(PROGRAMS "${SYNCQT_FROM_SOURCE}"
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DESTINATION "${syncqt_install_dir}")
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qt_path_join(syncqt_install_dir ${QT_INSTALL_DIR} ${INSTALL_BINDIR})
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qt_copy_or_install(PROGRAMS "${SYNCQT_FROM_SOURCE}"
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DESTINATION "${syncqt_install_dir}")
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elseif(QT_HOST_PATH)
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get_filename_component(syncqt_absolute_path
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2020-09-08 13:31:39 +00:00
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"${QT_HOST_PATH}/${QT${PROJECT_VERSION_MAJOR}_HOST_INFO_LIBEXECDIR}/syncqt.pl"
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2020-08-13 15:37:47 +00:00
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ABSOLUTE)
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set(QT_SYNCQT "${syncqt_absolute_path}" CACHE FILEPATH "syncqt script")
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message(STATUS "Using host syncqt found at: ${QT_SYNCQT}")
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else()
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get_filename_component(syncqt_absolute_path
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"${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX}/${INSTALL_LIBEXECDIR}/syncqt.pl"
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ABSOLUTE)
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set(QT_SYNCQT "${syncqt_absolute_path}" CACHE FILEPATH "syncqt script")
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message(STATUS "Using installed syncqt found at: ${QT_SYNCQT}")
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endif()
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endfunction()
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function(qt_install_injections target build_dir install_dir)
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set(injections ${ARGN})
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set(module "Qt${target}")
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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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set(is_framework FALSE)
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else()
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get_target_property(is_framework ${target} FRAMEWORK)
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endif()
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# examples:
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# SYNCQT.INJECTIONS = src/corelib/global/qconfig.h:qconfig.h:QtConfig src/corelib/global/qconfig_p.h:5.12.0/QtCore/private/qconfig_p.h
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# SYNCQT.INJECTIONS = src/gui/vulkan/qvulkanfunctions.h:^qvulkanfunctions.h:QVulkanFunctions:QVulkanDeviceFunctions src/gui/vulkan/qvulkanfunctions_p.h:^5.12.0/QtGui/private/qvulkanfunctions_p.h
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# The are 3 parts to the assignment, divded by colons ':'.
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# The first part contains a path to a generated file in a build folder.
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# The second part contains the file name that the forwarding header should have, which points
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# to the file in the first part.
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# The third part contains multiple UpperCaseFileNames that should be forwarding headers to the
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# header specified in the second part.
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separate_arguments(injections UNIX_COMMAND "${injections}")
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foreach(injection ${injections})
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string(REPLACE ":" ";" injection ${injection})
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# Part 1.
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list(GET injection 0 file)
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# Part 2.
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list(GET injection 1 destination)
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string(REGEX REPLACE "^\\^" "" destination "${destination}")
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list(REMOVE_AT injection 0 1)
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# Part 3.
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set(fwd_hdrs ${injection})
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get_filename_component(destinationdir ${destination} DIRECTORY)
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get_filename_component(destinationname ${destination} NAME)
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get_filename_component(original_file_name ${file} NAME)
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# This describes a concrete example for easier comprehension:
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# A file 'qtqml-config.h' is generated by qt_internal_feature_write_file into
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# ${qtdeclarative_build_dir}/src/{module}/qtqml-config.h (part 1).
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#
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# Generate a lower case forwarding header (part 2) 'qtqml-config.h' at the following
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# location:
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# ${some_prefix}/include/${module}/qtqml-config.h.
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#
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# Inside this file, we #include the originally generated file,
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# ${qtdeclarative_build_dir}/src/{module}/qtqml-config.h.
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#
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# ${some_prefix}'s value depends on the build type.
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# If doing a prefix build, it should point to
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# ${current_repo_build_dir} which is ${qtdeclarative_build_dir}.
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# If doing a non-prefix build, it should point to
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# ${qtbase_build_dir}.
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#
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# In the code below, ${some_prefix} == ${build_dir}.
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set(lower_case_forwarding_header_path "${build_dir}/include/${module}")
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if(destinationdir)
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string(APPEND lower_case_forwarding_header_path "/${destinationdir}")
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endif()
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set(current_repo_build_dir "${PROJECT_BINARY_DIR}")
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file(RELATIVE_PATH relpath
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"${lower_case_forwarding_header_path}"
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"${current_repo_build_dir}/${file}")
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set(main_contents "#include \"${relpath}\"")
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qt_configure_file(OUTPUT "${lower_case_forwarding_header_path}/${original_file_name}"
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CONTENT "${main_contents}")
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if(is_framework)
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if(file MATCHES "_p\\.h$")
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set(header_type PRIVATE)
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else()
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set(header_type PUBLIC)
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endif()
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qt_copy_framework_headers(${target} ${header_type}
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${current_repo_build_dir}/${file})
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else()
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# Copy the actual injected (generated) header file (not the just created forwarding one)
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# to its install location when doing a prefix build. In an non-prefix build, the qt_install
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# will be a no-op.
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qt_path_join(install_destination
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${install_dir} ${INSTALL_INCLUDEDIR} ${module} ${destinationdir})
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qt_install(FILES ${current_repo_build_dir}/${file}
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DESTINATION ${install_destination}
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RENAME ${destinationname} OPTIONAL)
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endif()
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# Generate UpperCaseNamed forwarding headers (part 3).
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foreach(fwd_hdr ${fwd_hdrs})
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set(upper_case_forwarding_header_path "include/${module}")
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if(destinationdir)
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string(APPEND upper_case_forwarding_header_path "/${destinationdir}")
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endif()
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# Generate upper case forwarding header like QVulkanFunctions or QtConfig.
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qt_configure_file(OUTPUT "${build_dir}/${upper_case_forwarding_header_path}/${fwd_hdr}"
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CONTENT "#include \"${destinationname}\"\n")
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if(is_framework)
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# Copy the forwarding header to the framework's Headers directory.
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qt_copy_framework_headers(${target} PUBLIC
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"${build_dir}/${upper_case_forwarding_header_path}/${fwd_hdr}")
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else()
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# Install the forwarding header.
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qt_path_join(install_destination "${install_dir}" "${INSTALL_INCLUDEDIR}" ${module})
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qt_install(FILES "${build_dir}/${upper_case_forwarding_header_path}/${fwd_hdr}"
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DESTINATION ${install_destination} OPTIONAL)
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endif()
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endforeach()
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endforeach()
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endfunction()
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function(qt_read_headers_pri module_include_dir resultVarPrefix)
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file(STRINGS "${module_include_dir}/headers.pri" headers_pri_contents)
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foreach(line ${headers_pri_contents})
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if("${line}" MATCHES "SYNCQT.HEADER_FILES = (.*)")
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set(public_module_headers "${CMAKE_MATCH_1}")
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separate_arguments(public_module_headers UNIX_COMMAND "${public_module_headers}")
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elseif("${line}" MATCHES "SYNCQT.PRIVATE_HEADER_FILES = (.*)")
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set(private_module_headers "${CMAKE_MATCH_1}")
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separate_arguments(private_module_headers UNIX_COMMAND "${private_module_headers}")
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elseif("${line}" MATCHES "SYNCQT.GENERATED_HEADER_FILES = (.*)")
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set(generated_module_headers "${CMAKE_MATCH_1}")
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separate_arguments(generated_module_headers UNIX_COMMAND "${generated_module_headers}")
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foreach(generated_header ${generated_module_headers})
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list(APPEND public_module_headers "${module_include_dir}/${generated_header}")
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endforeach()
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elseif("${line}" MATCHES "SYNCQT.INJECTIONS = (.*)")
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set(injections "${CMAKE_MATCH_1}")
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elseif("${line}" MATCHES "SYNCQT.([A-Z_]+)_HEADER_FILES = (.+)")
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set(prefix "${CMAKE_MATCH_1}")
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string(TOLOWER "${prefix}" prefix)
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set(entries "${CMAKE_MATCH_2}")
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separate_arguments(entries UNIX_COMMAND "${entries}")
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set("${resultVarPrefix}_${prefix}" "${entries}" PARENT_SCOPE)
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endif()
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endforeach()
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set(${resultVarPrefix}_public "${public_module_headers}" PARENT_SCOPE)
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set(${resultVarPrefix}_private "${private_module_headers}" PARENT_SCOPE)
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set(${resultVarPrefix}_injections "${injections}" PARENT_SCOPE)
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endfunction()
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function(qt_compute_injection_forwarding_header target)
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qt_parse_all_arguments(arg "qt_compute_injection_forwarding_header"
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"PRIVATE" "SOURCE;OUT_VAR" "" ${ARGN})
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qt_internal_module_info(module "${target}")
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get_filename_component(file_name "${arg_SOURCE}" NAME)
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set(source_absolute_path "${CMAKE_CURRENT_BINARY_DIR}/${arg_SOURCE}")
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file(RELATIVE_PATH relpath "${PROJECT_BINARY_DIR}" "${source_absolute_path}")
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if (arg_PRIVATE)
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set(fwd "${PROJECT_VERSION}/${module}/private/${file_name}")
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else()
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set(fwd "${file_name}")
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endif()
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string(APPEND ${arg_OUT_VAR} " ${relpath}:${fwd}")
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set(${arg_OUT_VAR} ${${arg_OUT_VAR}} PARENT_SCOPE)
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endfunction()
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