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qt5base-lts/cmake/QtSyncQtHelpers.cmake
Alexey Edelev 7f4aa1a3fa Remove perl related functionality from CMake files 
Avoid using perl in CMake scripts. Remove the syncqt.pl specific
code.

Task-number: QTBUG-87480
Change-Id: I7fcd5cc83d173ec463c275b5b50b84f25044a118
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2022-11-29 12:35:47 +01:00

280 lines
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CMake
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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
# The function generates the Qt module header structure in build directory and creates install
# rules. Apart the lists of header files the function takes into account
# QT_REPO_PUBLIC_NAMESPACE_REGEX cache variable, that can be set by repository in .cmake.conf file.
# The variable tells the syncqt program, what namespaces are treated as public. Symbols in public
# namespaces are considered when generating CaMeL case header files.
function(qt_internal_target_sync_headers target module_headers module_headers_generated)
if(NOT TARGET ${QT_CMAKE_EXPORT_NAMESPACE}::syncqt)
message(FATAL_ERROR "${QT_CMAKE_EXPORT_NAMESPACE}::syncqt is not a target.")
endif()
get_target_property(has_headers ${target} _qt_module_has_headers)
if(NOT has_headers)
return()
endif()
qt_internal_module_info(module "${target}")
get_target_property(sync_source_directory ${target} _qt_sync_source_directory)
set(syncqt_timestamp "${CMAKE_CURRENT_BINARY_DIR}/${target}_syncqt_timestamp")
set(syncqt_outputs "${syncqt_timestamp}")
set(is_interface_lib FALSE)
get_target_property(type ${target} TYPE)
if(type STREQUAL "INTERFACE_LIBRARY")
set(is_interface_lib TRUE)
endif()
set(version_script_private_content_file "")
if(NOT is_interface_lib)
list(APPEND syncqt_outputs
"${module_build_interface_include_dir}/${module}Version"
"${module_build_interface_include_dir}/qt${module_lower}version.h")
if(TEST_ld_version_script)
set(version_script_private_content_file
"${CMAKE_CURRENT_BINARY_DIR}/${target}.version.private_content")
set(version_script_args
"-versionScript" "${version_script_private_content_file}")
list(APPEND syncqt_outputs "${version_script_private_content_file}")
qt_internal_add_linker_version_script(${target}
PRIVATE_CONTENT_FILE "${version_script_private_content_file}")
endif()
endif()
# Check for _qt_module_is_3rdparty_header_library flag to detect non-Qt modules and
# indicate this to syncqt.
get_target_property(is_3rd_party_library ${target} _qt_module_is_3rdparty_header_library)
set(non_qt_module_argument "")
if(is_3rd_party_library)
set(non_qt_module_argument "-nonQt")
else()
list(APPEND syncqt_outputs "${module_build_interface_include_dir}/${module}")
get_target_property(no_headersclean_check ${target} _qt_no_headersclean_check)
if(NOT no_headersclean_check)
list(APPEND syncqt_outputs
"${CMAKE_CURRENT_BINARY_DIR}/${module}_header_check_exceptions")
endif()
endif()
set(is_framework FALSE)
if(NOT is_interface_lib)
get_target_property(is_framework ${target} FRAMEWORK)
if(is_framework)
qt_internal_get_framework_info(fw ${target})
get_target_property(fw_output_base_dir ${target} LIBRARY_OUTPUT_DIRECTORY)
set(framework_args "-framework"
"-frameworkIncludeDir" "${fw_output_base_dir}/${fw_versioned_header_dir}"
)
endif()
endif()
qt_internal_get_qt_all_known_modules(known_modules)
get_target_property(is_internal_module ${target} _qt_is_internal_module)
set(internal_module_argument "")
if(is_internal_module)
set(internal_module_argument "-internal")
endif()
get_target_property(qpa_filter_regex ${target} _qt_module_qpa_headers_filter_regex)
get_target_property(private_filter_regex ${target} _qt_module_private_headers_filter_regex)
# We need to use the real paths since otherwise it may lead to the invalid work of the
# std::filesystem API
get_filename_component(source_dir_real "${sync_source_directory}" REALPATH)
get_filename_component(binary_dir_real "${CMAKE_CURRENT_BINARY_DIR}" REALPATH)
if(QT_REPO_PUBLIC_NAMESPACE_REGEX)
set(public_namespaces_filter -publicNamespaceFilter "${QT_REPO_PUBLIC_NAMESPACE_REGEX}")
endif()
if(qpa_filter_regex)
set(qpa_filter_argument
-qpaHeadersFilter "${qpa_filter_regex}"
)
endif()
set(common_syncqt_arguments
-module "${module}"
-sourceDir "${source_dir_real}"
-binaryDir "${binary_dir_real}"
-privateHeadersFilter "${private_filter_regex}"
-includeDir "${module_build_interface_include_dir}"
-privateIncludeDir "${module_build_interface_private_include_dir}"
-qpaIncludeDir "${module_build_interface_qpa_include_dir}"
${qpa_filter_argument}
${public_namespaces_filter}
${non_qt_module_argument}
${internal_module_argument}
)
if(QT_INTERNAL_ENABLE_SYNCQT_DEBUG_OUTPUT)
list(APPEND common_syncqt_arguments -debug)
endif()
set(build_time_syncqt_arguments "")
if(WARNINGS_ARE_ERRORS)
if(is_interface_lib)
set(warnings_are_errors_enabled_genex 1)
else()
set(warnings_are_errors_enabled_genex
"$<NOT:$<BOOL:$<TARGET_PROPERTY:${target},QT_SKIP_WARNINGS_ARE_ERRORS>>>")
endif()
list(APPEND build_time_syncqt_arguments
"$<${warnings_are_errors_enabled_genex}:-warningsAreErrors>")
endif()
if(is_framework)
list(REMOVE_ITEM module_headers "${CMAKE_CURRENT_BINARY_DIR}/${target}_fake_header.h")
endif()
# Filter the generated ui_ header files and header files located in the 'doc/' subdirectory.
list(FILTER module_headers EXCLUDE REGEX
"(.+/(ui_)[^/]+\\.h|${CMAKE_CURRENT_SOURCE_DIR}(/.+)?/doc/+\\.h)")
set(module_headers_rsp "${binary_dir_real}/${target}_module_headers")
list(JOIN module_headers "\n" module_headers_string)
qt_configure_file_v2(OUTPUT "${module_headers_rsp}" CONTENT "${module_headers_string}")
set(module_headers_generated_rsp "${binary_dir_real}/${target}_module_headers_generated")
list(JOIN module_headers_generated "\n" module_headers_generated_string)
qt_configure_file_v2(OUTPUT "${module_headers_generated_rsp}" CONTENT
"${module_headers_generated_string}")
set(syncqt_staging_dir "${module_build_interface_include_dir}/.syncqt_staging")
add_custom_command(
OUTPUT
${syncqt_outputs}
COMMAND
${QT_CMAKE_EXPORT_NAMESPACE}::syncqt
${common_syncqt_arguments}
${build_time_syncqt_arguments}
-headers "@${module_headers_rsp}"
-generatedHeaders "@${module_headers_generated_rsp}"
-stagingDir "${syncqt_staging_dir}"
-knownModules ${known_modules}
${framework_args}
${version_script_args}
COMMAND
${CMAKE_COMMAND} -E touch "${syncqt_timestamp}"
DEPENDS
${module_headers_rsp}
${module_headers_generated_rsp}
${module_headers}
${QT_CMAKE_EXPORT_NAMESPACE}::syncqt
COMMENT
"Running syncqt.cpp for module: ${module}"
VERBATIM
)
add_custom_target(${target}_sync_headers
DEPENDS
${syncqt_outputs}
)
add_dependencies(sync_headers ${target}_sync_headers)
# This target is required when building docs, to make all header files and their aliases
# available for qdoc.
# ${target}_sync_headers is added as dependency to make sure that
# ${target}_sync_all_public_headers is running after ${target}_sync_headers, when building docs.
add_custom_target(${target}_sync_all_public_headers
COMMAND
${QT_CMAKE_EXPORT_NAMESPACE}::syncqt
${common_syncqt_arguments}
-all
DEPENDS
${module_headers}
${QT_CMAKE_EXPORT_NAMESPACE}::syncqt
${target}_sync_headers
VERBATIM
)
if(NOT TARGET sync_all_public_headers)
add_custom_target(sync_all_public_headers)
endif()
add_dependencies(sync_all_public_headers ${target}_sync_all_public_headers)
if(NOT is_3rd_party_library AND NOT is_framework)
# Install all the CaMeL style aliases of header files from the staging directory in one rule
qt_install(DIRECTORY "${syncqt_staging_dir}/"
DESTINATION "${module_install_interface_include_dir}"
)
endif()
if(NOT is_interface_lib)
set_property(TARGET ${target}
APPEND PROPERTY AUTOGEN_TARGET_DEPENDS "${target}_sync_headers")
endif()
add_dependencies(${target} "${target}_sync_headers")
get_target_property(private_module_target ${target} _qt_private_module_target_name)
if(private_module_target)
add_dependencies(${private_module_target} "${target}_sync_headers")
endif()
# Run sync Qt first time at configure step to make all header files available for the code model
# of IDEs.
get_property(synced_modules GLOBAL PROPERTY _qt_synced_modules)
if(NOT "${module}" IN_LIST synced_modules)
message(STATUS "Running syncqt.cpp for module: ${module}")
get_target_property(syncqt_location ${QT_CMAKE_EXPORT_NAMESPACE}::syncqt LOCATION)
execute_process(
COMMAND
${syncqt_location}
${common_syncqt_arguments}
-headers "@${module_headers_rsp}"
-generatedHeaders "@${module_headers_generated_rsp}"
-stagingDir "${syncqt_staging_dir}"
-knownModules ${known_modules}
${framework_args}
RESULT_VARIABLE syncqt_result
OUTPUT_VARIABLE syncqt_output
ERROR_VARIABLE syncqt_output
)
if(NOT syncqt_result EQUAL 0)
message(FATAL_ERROR
"syncqt.cpp failed for module ${module}:\n${syncqt_output}")
endif()
if(syncqt_output)
message(WARNING "${syncqt_output}")
endif()
set_property(GLOBAL APPEND PROPERTY _qt_synced_modules ${module})
endif()
endfunction()
function(qt_internal_collect_sync_header_dependencies out_var skip_non_existing)
list(LENGTH ARGN sync_headers_target_count)
if(sync_headers_target_count EQUAL 0)
message(FATAL_ERROR "Invalid use of qt_internal_collect_sync_header_dependencies,"
" dependencies are not specified")
endif()
set(${out_var} "")
foreach(sync_headers_target IN LISTS ARGN)
set(sync_headers_target "${sync_headers_target}_sync_headers")
if(NOT skip_non_existing OR TARGET ${sync_headers_target})
list(APPEND ${out_var} ${sync_headers_target})
endif()
endforeach()
list(REMOVE_DUPLICATES ${out_var})
set(${out_var} "${${out_var}}" PARENT_SCOPE)
endfunction()
function(qt_internal_add_sync_header_dependencies target)
qt_internal_collect_sync_header_dependencies(sync_headers_targets FALSE ${ARGN})
if(sync_headers_targets)
add_dependencies(${target} ${sync_headers_targets})
endif()
endfunction()
function(qt_internal_add_autogen_sync_header_dependencies target)
qt_internal_collect_sync_header_dependencies(sync_headers_targets TRUE ${ARGN})
foreach(sync_headers_target IN LISTS sync_headers_targets)
set_property(TARGET ${target} APPEND PROPERTY AUTOGEN_TARGET_DEPENDS
"${sync_headers_target}")
endforeach()
endfunction()
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