976539b4af
Previously we did not create Qt6:: namespaced aliases. This is needed as a workaround preparation for getting the package name of a module target from one of it's properties. Before it would fail in qtinterfaceframework because ifvehiclefunctions-simulation-server uses PUBLIC_LIBRARIES in its qt_internal_add_app call, and because _add_app does not handle such an option, some weirdness in qtbase's _add_app -> _add_executable -> _extend_executable -> _register_target_dependencies ended up trying to register PlatformAppInternal as package dependency. That issue will be handled in separate changes. Pick-to: 6.4 Task-number: QTBUG-104998 Change-Id: Ifd03528c95b08cb6837a6aaa26cbf97c0cbabbb4 Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
392 lines
17 KiB
CMake
392 lines
17 KiB
CMake
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function(qt_internal_set_warnings_are_errors_flags target target_scope)
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set(flags "")
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if (CLANG AND NOT MSVC)
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list(APPEND flags -Werror -Wno-error=\#warnings -Wno-error=deprecated-declarations)
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if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") # as in: not AppleClang
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if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "10.0.0")
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# We do mixed enum arithmetic all over the place:
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list(APPEND flags -Wno-error=deprecated-enum-enum-conversion)
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endif()
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if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "14.0.0")
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# Clang 14 introduced these two but we are not clean for it.
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list(APPEND flags -Wno-error=deprecated-copy-with-user-provided-copy)
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list(APPEND flags -Wno-error=unused-but-set-variable)
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endif()
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endif()
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
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# using GCC
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list(APPEND flags -Werror -Wno-error=cpp -Wno-error=deprecated-declarations)
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# GCC prints this bogus warning, after it has inlined a lot of code
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# error: assuming signed overflow does not occur when assuming that (X + c) < X is always false
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list(APPEND flags -Wno-error=strict-overflow)
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# GCC 7 includes -Wimplicit-fallthrough in -Wextra, but Qt is not yet free of implicit fallthroughs.
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if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "7.0.0")
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list(APPEND flags -Wno-error=implicit-fallthrough)
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endif()
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if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "9.0.0")
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# GCC 9 introduced these but we are not clean for it.
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list(APPEND flags -Wno-error=deprecated-copy -Wno-error=redundant-move -Wno-error=init-list-lifetime)
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# GCC 9 introduced -Wformat-overflow in -Wall, but it is buggy:
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list(APPEND flags -Wno-error=format-overflow)
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endif()
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if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "10.0.0")
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# GCC 10 has a number of bugs in -Wstringop-overflow. Do not make them an error.
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92955
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94335
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101134
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list(APPEND flags -Wno-error=stringop-overflow)
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endif()
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if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "11.0.0")
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# We do mixed enum arithmetic all over the place:
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list(APPEND flags -Wno-error=deprecated-enum-enum-conversion -Wno-error=deprecated-enum-float-conversion)
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endif()
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if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "11.0.0" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "11.2.0")
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# GCC 11.1 has a regression in the integrated preprocessor, so disable it as a workaround (QTBUG-93360)
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100796
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# This in turn triggers a fallthrough warning in cborparser.c, so we disable this warning.
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list(APPEND flags -no-integrated-cpp -Wno-implicit-fallthrough)
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endif()
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# Work-around for bug https://code.google.com/p/android/issues/detail?id=58135
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if (ANDROID)
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list(APPEND flags -Wno-error=literal-suffix)
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endif()
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
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# Only enable for versions of MSVC that are known to work
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# 1939 is Visual Studio 2022 version 17.0
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if(MSVC_VERSION LESS_EQUAL 1939)
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list(APPEND flags /WX)
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endif()
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endif()
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set(warnings_are_errors_enabled_genex
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"$<NOT:$<BOOL:$<TARGET_PROPERTY:QT_SKIP_WARNINGS_ARE_ERRORS>>>")
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# Apparently qmake only adds -Werror to CXX and OBJCXX files, not C files. We have to do the
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# same otherwise MinGW builds break when building 3rdparty\md4c\md4c.c (and probably on other
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# platforms too).
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set(cxx_only_genex "$<OR:$<COMPILE_LANGUAGE:CXX>,$<COMPILE_LANGUAGE:OBJCXX>>")
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set(final_condition_genex "$<AND:${warnings_are_errors_enabled_genex},${cxx_only_genex}>")
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set(flags_generator_expression "$<${final_condition_genex}:${flags}>")
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target_compile_options("${target}" ${target_scope} "${flags_generator_expression}")
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endfunction()
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# The function adds a global 'definition' to the platform internal targets and the target
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# property-based switch to disable the definition.
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# Arguments:
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# VALUE optional value that the definition will take.
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# SCOPE the list of scopes the definition needs to be set for. If the SCOPE is not specified the
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# definition is added to PlatformCommonInternal target.
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# Possible values:
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# MODULE - set the definition for all Qt modules
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# PLUGIN - set the definition for all Qt plugins
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# TOOL - set the definition for all Qt tools
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# APP - set the definition for all Qt applications
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# TODO: Add a tests specific platform target and the definition scope for it.
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function(qt_internal_add_global_definition definition)
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set(optional_args)
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set(single_value_args VALUE)
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set(multi_value_args SCOPE)
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cmake_parse_arguments(args
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"${optional_args}"
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"${single_value_args}"
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"${multi_value_args}"
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${ARGN}
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)
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set(scope_MODULE PlatformModuleInternal)
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set(scope_PLUGIN PlatformPluginInternal)
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set(scope_TOOL PlatformToolInternal)
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set(scope_APP PlatformAppInternal)
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set(undef_property_name "QT_INTERNAL_UNDEF_${definition}")
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if(DEFINED arg_VALUE)
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set(definition "${definition}=${arg_VALUE}")
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endif()
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set(definition_genex
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"$<$<NOT:$<BOOL:$<TARGET_PROPERTY:${undef_property_name}>>>:${definition}>")
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if(NOT DEFINED arg_SCOPE)
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target_compile_definitions(PlatformCommonInternal INTERFACE "${definition_genex}")
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else()
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foreach(scope IN LISTS arg_SCOPE)
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if(NOT DEFINED scope_${scope})
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message(FATAL_ERROR "Unknown scope ${scope}.")
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endif()
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target_compile_definitions("${scope_${scope}}" INTERFACE "${definition_genex}")
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endforeach()
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endif()
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endfunction()
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add_library(PlatformCommonInternal INTERFACE)
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qt_internal_add_target_aliases(PlatformCommonInternal)
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target_link_libraries(PlatformCommonInternal INTERFACE Platform)
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add_library(PlatformModuleInternal INTERFACE)
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qt_internal_add_target_aliases(PlatformModuleInternal)
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target_link_libraries(PlatformModuleInternal INTERFACE PlatformCommonInternal)
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add_library(PlatformPluginInternal INTERFACE)
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qt_internal_add_target_aliases(PlatformPluginInternal)
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target_link_libraries(PlatformPluginInternal INTERFACE PlatformCommonInternal)
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add_library(PlatformAppInternal INTERFACE)
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qt_internal_add_target_aliases(PlatformAppInternal)
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target_link_libraries(PlatformAppInternal INTERFACE PlatformCommonInternal)
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add_library(PlatformToolInternal INTERFACE)
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qt_internal_add_target_aliases(PlatformToolInternal)
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target_link_libraries(PlatformToolInternal INTERFACE PlatformAppInternal)
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qt_internal_add_global_definition(QT_NO_JAVA_STYLE_ITERATORS)
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qt_internal_add_global_definition(QT_NO_NARROWING_CONVERSIONS_IN_CONNECT)
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if(WARNINGS_ARE_ERRORS)
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qt_internal_set_warnings_are_errors_flags(PlatformModuleInternal INTERFACE)
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qt_internal_set_warnings_are_errors_flags(PlatformPluginInternal INTERFACE)
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qt_internal_set_warnings_are_errors_flags(PlatformAppInternal INTERFACE)
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endif()
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if(WIN32)
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# Needed for M_PI define. Same as mkspecs/features/qt_module.prf.
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# It's set for every module being built, but it's not propagated to user apps.
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target_compile_definitions(PlatformModuleInternal INTERFACE _USE_MATH_DEFINES)
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endif()
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if(FEATURE_largefile AND UNIX)
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target_compile_definitions(PlatformCommonInternal
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INTERFACE "_LARGEFILE64_SOURCE;_LARGEFILE_SOURCE")
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endif()
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if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" AND CMAKE_SYSTEM_NAME STREQUAL "Windows")
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# Clang will otherwise show error about inline method conflicting with dllimport class attribute in tools
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# (this was tested with Clang 10)
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# error: 'QString::operator[]' redeclared inline; 'dllimport' attribute ignored [-Werror,-Wignored-attributes]
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target_compile_options(PlatformCommonInternal INTERFACE -Wno-ignored-attributes)
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endif()
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target_compile_definitions(PlatformCommonInternal INTERFACE QT_NO_NARROWING_CONVERSIONS_IN_CONNECT)
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target_compile_definitions(PlatformCommonInternal INTERFACE $<$<NOT:$<CONFIG:Debug>>:QT_NO_DEBUG>)
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if(FEATURE_developer_build)
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# This causes an ABI break on Windows, so we cannot unconditionally
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# enable it. Keep it for developer builds only for now.
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### Qt 7: remove the if.
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target_compile_definitions(PlatformCommonInternal INTERFACE QT_STRICT_QLIST_ITERATORS)
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endif()
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function(qt_internal_apply_bitcode_flags target)
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# See mkspecs/features/uikit/bitcode.prf
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set(release_flags "-fembed-bitcode")
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set(debug_flags "-fembed-bitcode-marker")
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set(is_release_genex "$<NOT:$<CONFIG:Debug>>")
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set(flags_genex "$<IF:${is_release_genex},${release_flags},${debug_flags}>")
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set(is_enabled_genex "$<NOT:$<BOOL:$<TARGET_PROPERTY:QT_NO_BITCODE>>>")
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set(bitcode_flags "$<${is_enabled_genex}:${flags_genex}>")
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target_compile_options("${target}" INTERFACE ${bitcode_flags})
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endfunction()
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# Apple deprecated the entire OpenGL API in favor of Metal, which
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# we are aware of, so silence the deprecation warnings in code.
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# This does not apply to user-code, which will need to silence
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# their own warnings if they use the deprecated APIs explicitly.
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if(MACOS)
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target_compile_definitions(PlatformCommonInternal INTERFACE GL_SILENCE_DEPRECATION)
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elseif(UIKIT)
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target_compile_definitions(PlatformCommonInternal INTERFACE GLES_SILENCE_DEPRECATION)
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endif()
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if(MSVC)
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target_compile_definitions(PlatformCommonInternal INTERFACE
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"_CRT_SECURE_NO_WARNINGS"
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"$<$<STREQUAL:$<TARGET_PROPERTY:TYPE>,SHARED_LIBRARY>:_WINDLL>"
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)
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endif()
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if(WASM AND QT_FEATURE_sse2)
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target_compile_definitions(PlatformCommonInternal INTERFACE QT_COMPILER_SUPPORTS_SSE2)
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endif()
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# Taken from mkspecs/common/msvc-version.conf and mkspecs/common/msvc-desktop.conf
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if (MSVC)
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if (MSVC_VERSION GREATER_EQUAL 1799)
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target_compile_options(PlatformCommonInternal INTERFACE
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-FS
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-Zc:rvalueCast
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-Zc:inline
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)
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endif()
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if (MSVC_VERSION GREATER_EQUAL 1899)
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target_compile_options(PlatformCommonInternal INTERFACE
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-Zc:strictStrings
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)
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if (NOT CLANG)
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target_compile_options(PlatformCommonInternal INTERFACE
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-Zc:throwingNew
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)
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endif()
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endif()
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if (MSVC_VERSION GREATER_EQUAL 1909 AND NOT CLANG)
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target_compile_options(PlatformCommonInternal INTERFACE
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-Zc:referenceBinding
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)
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endif()
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if (MSVC_VERSION GREATER_EQUAL 1919 AND NOT CLANG)
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target_compile_options(PlatformCommonInternal INTERFACE
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-Zc:externConstexpr
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)
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endif()
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target_compile_options(PlatformCommonInternal INTERFACE
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-Zc:wchar_t
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-bigobj
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)
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target_compile_options(PlatformCommonInternal INTERFACE
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$<$<NOT:$<CONFIG:Debug>>:-guard:cf -Gw>
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)
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target_link_options(PlatformCommonInternal INTERFACE
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-DYNAMICBASE -NXCOMPAT -LARGEADDRESSAWARE
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$<$<NOT:$<CONFIG:Debug>>:-OPT:REF -OPT:ICF -GUARD:CF>
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)
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endif()
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if(MINGW)
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target_compile_options(PlatformCommonInternal INTERFACE -Wa,-mbig-obj)
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endif()
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if (GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "9.2")
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target_compile_options(PlatformCommonInternal INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-Wsuggest-override>)
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endif()
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if(QT_FEATURE_intelcet)
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if(MSVC)
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target_link_options(PlatformCommonInternal INTERFACE
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-CETCOMPAT
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)
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else()
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target_compile_options(PlatformCommonInternal INTERFACE
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-fcf-protection=full
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)
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endif()
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endif()
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if(QT_FEATURE_force_asserts)
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target_compile_definitions(PlatformCommonInternal INTERFACE QT_FORCE_ASSERTS)
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endif()
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if(DEFINED QT_EXTRA_DEFINES)
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target_compile_definitions(PlatformCommonInternal INTERFACE ${QT_EXTRA_DEFINES})
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endif()
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if(DEFINED QT_EXTRA_INCLUDEPATHS)
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target_include_directories(PlatformCommonInternal INTERFACE ${QT_EXTRA_INCLUDEPATHS})
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endif()
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if(DEFINED QT_EXTRA_LIBDIRS)
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target_link_directories(PlatformCommonInternal INTERFACE ${QT_EXTRA_LIBDIRS})
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endif()
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if(DEFINED QT_EXTRA_FRAMEWORKPATHS AND APPLE)
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list(TRANSFORM QT_EXTRA_FRAMEWORKPATHS PREPEND "-F" OUTPUT_VARIABLE __qt_fw_flags)
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target_compile_options(PlatformCommonInternal INTERFACE ${__qt_fw_flags})
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target_link_options(PlatformCommonInternal INTERFACE ${__qt_fw_flags})
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unset(__qt_fw_flags)
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endif()
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qt_internal_get_active_linker_flags(__qt_internal_active_linker_flags)
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if(__qt_internal_active_linker_flags)
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target_link_options(PlatformCommonInternal INTERFACE "${__qt_internal_active_linker_flags}")
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endif()
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unset(__qt_internal_active_linker_flags)
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if(QT_FEATURE_enable_gdb_index)
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target_link_options(PlatformCommonInternal INTERFACE "-Wl,--gdb-index")
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endif()
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if(QT_FEATURE_enable_new_dtags)
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target_link_options(PlatformCommonInternal INTERFACE "-Wl,--enable-new-dtags")
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endif()
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function(qt_get_implicit_sse2_genex_condition out_var)
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set(is_shared_lib "$<STREQUAL:$<TARGET_PROPERTY:TYPE>,SHARED_LIBRARY>")
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set(is_static_lib "$<STREQUAL:$<TARGET_PROPERTY:TYPE>,STATIC_LIBRARY>")
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set(is_static_qt_build "$<NOT:$<BOOL:${QT_BUILD_SHARED_LIBS}>>")
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set(is_staitc_lib_during_static_qt_build "$<AND:${is_static_qt_build},${is_static_lib}>")
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set(enable_sse2_condition "$<OR:${is_shared_lib},${is_staitc_lib_during_static_qt_build}>")
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set(${out_var} "${enable_sse2_condition}" PARENT_SCOPE)
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endfunction()
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function(qt_auto_detect_implicit_sse2)
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# sse2 configuration adjustment in qt_module.prf
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# If the compiler supports SSE2, enable it unconditionally in all of Qt shared libraries
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# (and only the libraries). This is not expected to be a problem because:
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# - on Windows, sharing of libraries is uncommon
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# - on Mac OS X, all x86 CPUs already have SSE2 support (we won't even reach here)
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# - on Linux, the dynamic loader can find the libraries on LIBDIR/sse2/
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# The last guarantee does not apply to executables and plugins, so we can't enable for them.
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set(__implicit_sse2_for_qt_modules_enabled FALSE PARENT_SCOPE)
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if(TEST_subarch_sse2 AND NOT TEST_arch_${TEST_architecture_arch}_subarch_sse2)
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qt_get_implicit_sse2_genex_condition(enable_sse2_condition)
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set(enable_sse2_genex "$<${enable_sse2_condition}:${QT_CFLAGS_SSE2}>")
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target_compile_options(PlatformModuleInternal INTERFACE ${enable_sse2_genex})
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set(__implicit_sse2_for_qt_modules_enabled TRUE PARENT_SCOPE)
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endif()
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endfunction()
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qt_auto_detect_implicit_sse2()
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function(qt_auto_detect_fpmath)
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# fpmath configuration adjustment in qt_module.prf
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set(fpmath_supported FALSE)
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if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang|GNU|IntelLLVM")
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set(fpmath_supported TRUE)
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endif()
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if(fpmath_supported AND TEST_architecture_arch STREQUAL "i386" AND __implicit_sse2_for_qt_modules_enabled)
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qt_get_implicit_sse2_genex_condition(enable_sse2_condition)
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set(enable_fpmath_genex "$<${enable_sse2_condition}:-mfpmath=sse>")
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target_compile_options(PlatformModuleInternal INTERFACE ${enable_fpmath_genex})
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endif()
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endfunction()
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qt_auto_detect_fpmath()
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function(qt_handle_apple_app_extension_api_only)
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if(APPLE)
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# Build Qt libraries with -fapplication-extension. Needed to avoid linker warnings
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# transformed into errors on darwin platforms.
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set(flags "-fapplication-extension")
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# The flags should only be applied to internal Qt libraries like modules and plugins.
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# The reason why we use a custom property to apply the flags is because there's no other
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# way to prevent the link options spilling out into user projects if the target that links
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# against PlatformXInternal is a static library.
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# The exported static library's INTERFACE_LINK_LIBRARIES property would contain
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# $<LINK_ONLY:PlatformXInternal> and PlatformXInternal's INTERFACE_LINK_OPTIONS would be
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# applied to a user project target.
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# So to contain the spilling out of the flags, we ensure the link options are only added
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# to internal Qt libraries that are marked with the property.
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set(not_disabled "$<NOT:$<BOOL:$<TARGET_PROPERTY:QT_NO_APP_EXTENSION_ONLY_API>>>")
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set(is_qt_internal_library "$<BOOL:$<TARGET_PROPERTY:_qt_is_internal_library>>")
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set(condition "$<AND:${not_disabled},${is_qt_internal_library}>")
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set(flags "$<${condition}:${flags}>")
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target_compile_options(PlatformModuleInternal INTERFACE ${flags})
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target_link_options(PlatformModuleInternal INTERFACE ${flags})
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target_compile_options(PlatformPluginInternal INTERFACE ${flags})
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target_link_options(PlatformPluginInternal INTERFACE ${flags})
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endif()
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endfunction()
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qt_handle_apple_app_extension_api_only()
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