mirror of
https://github.com/crystalidea/qt-build-tools.git
synced 2024-12-03 00:33:08 +08:00
175 lines
7.5 KiB
CMake
175 lines
7.5 KiB
CMake
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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# Function to compile a source file to identify the compiler ABI.
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# This is used internally by CMake and should not be included by user
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# code.
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include(${CMAKE_ROOT}/Modules/CMakeParseImplicitIncludeInfo.cmake)
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include(${CMAKE_ROOT}/Modules/CMakeParseImplicitLinkInfo.cmake)
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include(CMakeTestCompilerCommon)
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function(CMAKE_DETERMINE_COMPILER_ABI lang src)
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if(NOT DEFINED CMAKE_${lang}_ABI_COMPILED)
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message(STATUS "Detecting ${lang} compiler ABI info")
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# Compile the ABI identification source.
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set(BIN "${CMAKE_PLATFORM_INFO_DIR}/CMakeDetermineCompilerABI_${lang}.bin")
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set(CMAKE_FLAGS )
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set(COMPILE_DEFINITIONS )
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if(DEFINED CMAKE_${lang}_VERBOSE_FLAG)
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set(CMAKE_FLAGS "-DEXE_LINKER_FLAGS=${CMAKE_${lang}_VERBOSE_FLAG}")
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set(COMPILE_DEFINITIONS "${CMAKE_${lang}_VERBOSE_FLAG}")
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endif()
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if(DEFINED CMAKE_${lang}_VERBOSE_COMPILE_FLAG)
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set(COMPILE_DEFINITIONS "${CMAKE_${lang}_VERBOSE_COMPILE_FLAG}")
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endif()
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if(NOT "x${CMAKE_${lang}_COMPILER_ID}" STREQUAL "xMSVC")
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# Avoid adding our own platform standard libraries for compilers
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# from which we might detect implicit link libraries.
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list(APPEND CMAKE_FLAGS "-DCMAKE_${lang}_STANDARD_LIBRARIES=")
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endif()
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__TestCompiler_setTryCompileTargetType()
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# Save the current LC_ALL, LC_MESSAGES, and LANG environment variables
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# and set them to "C" that way GCC's "search starts here" text is in
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# English and we can grok it.
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set(_orig_lc_all $ENV{LC_ALL})
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set(_orig_lc_messages $ENV{LC_MESSAGES})
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set(_orig_lang $ENV{LANG})
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set(ENV{LC_ALL} C)
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set(ENV{LC_MESSAGES} C)
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set(ENV{LANG} C)
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try_compile(CMAKE_${lang}_ABI_COMPILED
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${CMAKE_BINARY_DIR} ${src}
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CMAKE_FLAGS ${CMAKE_FLAGS}
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# Ignore unused flags when we are just determining the ABI.
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"--no-warn-unused-cli"
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COMPILE_DEFINITIONS ${COMPILE_DEFINITIONS}
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OUTPUT_VARIABLE OUTPUT
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COPY_FILE "${BIN}"
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COPY_FILE_ERROR _copy_error
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__CMAKE_INTERNAL ABI
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)
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# Restore original LC_ALL, LC_MESSAGES, and LANG
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set(ENV{LC_ALL} ${_orig_lc_all})
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set(ENV{LC_MESSAGES} ${_orig_lc_messages})
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set(ENV{LANG} ${_orig_lang})
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# Move result from cache to normal variable.
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set(CMAKE_${lang}_ABI_COMPILED ${CMAKE_${lang}_ABI_COMPILED})
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unset(CMAKE_${lang}_ABI_COMPILED CACHE)
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set(CMAKE_${lang}_ABI_COMPILED ${CMAKE_${lang}_ABI_COMPILED} PARENT_SCOPE)
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# Load the resulting information strings.
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if(CMAKE_${lang}_ABI_COMPILED AND NOT _copy_error)
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message(STATUS "Detecting ${lang} compiler ABI info - done")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Detecting ${lang} compiler ABI info compiled with the following output:\n${OUTPUT}\n\n")
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file(STRINGS "${BIN}" ABI_STRINGS LIMIT_COUNT 2 REGEX "INFO:[A-Za-z0-9_]+\\[[^]]*\\]")
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foreach(info ${ABI_STRINGS})
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if("${info}" MATCHES "INFO:sizeof_dptr\\[0*([^]]*)\\]")
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set(ABI_SIZEOF_DPTR "${CMAKE_MATCH_1}")
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endif()
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if("${info}" MATCHES "INFO:abi\\[([^]]*)\\]")
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set(ABI_NAME "${CMAKE_MATCH_1}")
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endif()
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endforeach()
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if(ABI_SIZEOF_DPTR)
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set(CMAKE_${lang}_SIZEOF_DATA_PTR "${ABI_SIZEOF_DPTR}" PARENT_SCOPE)
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elseif(CMAKE_${lang}_SIZEOF_DATA_PTR_DEFAULT)
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set(CMAKE_${lang}_SIZEOF_DATA_PTR "${CMAKE_${lang}_SIZEOF_DATA_PTR_DEFAULT}" PARENT_SCOPE)
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endif()
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if(ABI_NAME)
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set(CMAKE_${lang}_COMPILER_ABI "${ABI_NAME}" PARENT_SCOPE)
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endif()
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# Parse implicit include directory for this language, if available.
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if(CMAKE_${lang}_VERBOSE_FLAG)
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set (implicit_incdirs "")
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cmake_parse_implicit_include_info("${OUTPUT}" "${lang}"
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implicit_incdirs log rv)
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Parsed ${lang} implicit include dir info from above output: rv=${rv}\n${log}\n\n")
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if("${rv}" STREQUAL "done")
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# Entries that we have been told to explicitly pass as standard include
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# directories will not be implicitly added by the compiler.
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if(CMAKE_${lang}_STANDARD_INCLUDE_DIRECTORIES)
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list(REMOVE_ITEM implicit_incdirs ${CMAKE_${lang}_STANDARD_INCLUDE_DIRECTORIES})
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endif()
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# We parsed implicit include directories, so override the default initializer.
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set(_CMAKE_${lang}_IMPLICIT_INCLUDE_DIRECTORIES_INIT "${implicit_incdirs}")
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endif()
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endif()
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set(CMAKE_${lang}_IMPLICIT_INCLUDE_DIRECTORIES "${_CMAKE_${lang}_IMPLICIT_INCLUDE_DIRECTORIES_INIT}" PARENT_SCOPE)
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# Parse implicit linker information for this language, if available.
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set(implicit_dirs "")
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set(implicit_libs "")
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set(implicit_fwks "")
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if(CMAKE_${lang}_VERBOSE_FLAG)
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CMAKE_PARSE_IMPLICIT_LINK_INFO("${OUTPUT}" implicit_libs implicit_dirs implicit_fwks log
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"${CMAKE_${lang}_IMPLICIT_OBJECT_REGEX}")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Parsed ${lang} implicit link information from above output:\n${log}\n\n")
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endif()
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# for VS IDE Intel Fortran we have to figure out the
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# implicit link path for the fortran run time using
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# a try-compile
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if("${lang}" MATCHES "Fortran"
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AND "${CMAKE_GENERATOR}" MATCHES "Visual Studio")
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set(_desc "Determine Intel Fortran Compiler Implicit Link Path")
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message(STATUS "${_desc}")
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# Build a sample project which reports symbols.
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try_compile(IFORT_LIB_PATH_COMPILED
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${CMAKE_BINARY_DIR}/CMakeFiles/IntelVSImplicitPath
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${CMAKE_ROOT}/Modules/IntelVSImplicitPath
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IntelFortranImplicit
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CMAKE_FLAGS
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"-DCMAKE_Fortran_FLAGS:STRING=${CMAKE_Fortran_FLAGS}"
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OUTPUT_VARIABLE _output)
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file(WRITE
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"${CMAKE_BINARY_DIR}/CMakeFiles/IntelVSImplicitPath/output.txt"
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"${_output}")
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include(${CMAKE_BINARY_DIR}/CMakeFiles/IntelVSImplicitPath/output.cmake OPTIONAL)
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set(_desc "Determine Intel Fortran Compiler Implicit Link Path -- done")
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message(STATUS "${_desc}")
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endif()
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# Implicit link libraries cannot be used explicitly for multiple
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# OS X architectures, so we skip it.
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if(DEFINED CMAKE_OSX_ARCHITECTURES)
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if("${CMAKE_OSX_ARCHITECTURES}" MATCHES ";")
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set(implicit_libs "")
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endif()
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endif()
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set(CMAKE_${lang}_IMPLICIT_LINK_LIBRARIES "${implicit_libs}" PARENT_SCOPE)
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set(CMAKE_${lang}_IMPLICIT_LINK_DIRECTORIES "${implicit_dirs}" PARENT_SCOPE)
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set(CMAKE_${lang}_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES "${implicit_fwks}" PARENT_SCOPE)
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# Detect library architecture directory name.
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if(CMAKE_LIBRARY_ARCHITECTURE_REGEX)
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foreach(dir ${implicit_dirs})
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if("${dir}" MATCHES "/lib/${CMAKE_LIBRARY_ARCHITECTURE_REGEX}$")
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get_filename_component(arch "${dir}" NAME)
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set(CMAKE_${lang}_LIBRARY_ARCHITECTURE "${arch}" PARENT_SCOPE)
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break()
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endif()
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endforeach()
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endif()
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else()
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message(STATUS "Detecting ${lang} compiler ABI info - failed")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Detecting ${lang} compiler ABI info failed to compile with the following output:\n${OUTPUT}\n${_copy_error}\n\n")
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endif()
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endif()
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endfunction()
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