mirror of
https://github.com/libjpeg-turbo/libjpeg-turbo
synced 2025-03-28 21:13:18 +00:00
Build: Support LLVM/Windows
Since LLVM/Windows emulates Visual Studio, CMake sets CMAKE_C_SIMULATE_ID="MSVC" but does not set MSVC. Thus, our build system needs to enable most (but not all) of the Visual Studio features when CMAKE_C_SIMLUATE_ID="MSVC". Support for LLVM/Windows is currently undocumented because it isn't a standalone build environment. (It requires the Visual Studio and Windows SDK headers and link libraries.) Closes #786
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@ -22,9 +22,16 @@ function(pad_number NUMBER OUTPUT_LEN)
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set(${NUMBER} ${NUM} PARENT_SCOPE)
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endif()
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endfunction()
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pad_number(VERSION_MINOR 3)
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pad_number(VERSION_REVISION 3)
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set(LIBJPEG_TURBO_VERSION_NUMBER ${VERSION_MAJOR}${VERSION_MINOR}${VERSION_REVISION})
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set(TMP_VERSION_MINOR ${VERSION_MINOR})
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set(TMP_VERSION_REVISION ${VERSION_REVISION})
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pad_number(TMP_VERSION_MINOR 3)
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pad_number(TMP_VERSION_REVISION 3)
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set(LIBJPEG_TURBO_VERSION_NUMBER
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${VERSION_MAJOR}${TMP_VERSION_MINOR}${TMP_VERSION_REVISION})
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set(MSVC_LIKE 0)
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if(MSVC OR CMAKE_C_SIMULATE_ID STREQUAL "MSVC")
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set(MSVC_LIKE 1)
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endif()
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# The libjpeg-turbo build system has never supported and will never support
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# being integrated into another build system using add_subdirectory(), because
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@ -143,7 +150,7 @@ message(STATUS "${BITS}-bit build (${CPU_TYPE})")
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###############################################################################
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if(WIN32)
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if(MSVC)
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if(MSVC_LIKE)
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set(CMAKE_INSTALL_DEFAULT_PREFIX "c:/${CMAKE_PROJECT_NAME}")
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else()
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set(CMAKE_INSTALL_DEFAULT_PREFIX "c:/${CMAKE_PROJECT_NAME}-gcc")
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@ -390,7 +397,7 @@ set(TURBOJPEG_SO_VERSION 0.${TURBOJPEG_SO_AGE}.0)
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string(TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_UC)
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if(MSVC)
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if(MSVC_LIKE)
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option(WITH_CRT_DLL
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"Link all ${CMAKE_PROJECT_NAME} libraries and executables with the C run-time DLL (msvcr*.dll) instead of the static C run-time library (libcmt*.lib.) The default is to use the C run-time DLL only with the libraries and executables that need it."
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FALSE)
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@ -407,7 +414,7 @@ if(MSVC)
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set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreaded)
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endif()
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message(STATUS "Visual C++ run-time library: ${CMAKE_MSVC_RUNTIME_LIBRARY} (WITH_CRT_DLL = ${WITH_CRT_DLL})")
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else()
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elseif(MSVC)
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foreach(var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
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CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
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if(${var} MATCHES "/MD")
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@ -459,7 +466,7 @@ if(SIZE_T EQUAL UNSIGNED_LONG)
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check_c_source_compiles("int main(int argc, char **argv) { unsigned long a = argc; return __builtin_ctzl(a); }"
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HAVE_BUILTIN_CTZL)
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endif()
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if(MSVC)
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if(MSVC_LIKE)
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check_include_files("intrin.h" HAVE_INTRIN_H)
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endif()
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@ -672,7 +679,7 @@ if(ENABLE_STATIC)
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add_library(jpeg-static STATIC ${JPEG_SOURCES} ${SIMD_TARGET_OBJECTS}
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${SIMD_OBJS} $<TARGET_OBJECTS:jpeg12-static>
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$<TARGET_OBJECTS:jpeg16-static>)
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if(NOT MSVC)
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if(NOT MSVC_LIKE)
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set_target_properties(jpeg-static PROPERTIES OUTPUT_NAME jpeg)
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endif()
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endif()
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@ -689,7 +696,7 @@ if(WITH_TURBOJPEG)
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include_directories(${JAVA_INCLUDE_PATH} ${JAVA_INCLUDE_PATH2})
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set(TJMAPFILE ${CMAKE_CURRENT_SOURCE_DIR}/src/turbojpeg-mapfile.jni)
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endif()
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if(MSVC)
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if(MSVC_LIKE)
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configure_file(${CMAKE_SOURCE_DIR}/win/turbojpeg.rc.in
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${CMAKE_BINARY_DIR}/win/turbojpeg.rc)
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set(TURBOJPEG_SOURCES ${TURBOJPEG_SOURCES}
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@ -765,7 +772,7 @@ if(WITH_TURBOJPEG)
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$<TARGET_OBJECTS:turbojpeg16-static>)
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set_property(TARGET turbojpeg-static PROPERTY COMPILE_FLAGS
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"-DBMP_SUPPORTED -DPPM_SUPPORTED")
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if(NOT MSVC)
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if(NOT MSVC_LIKE)
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set_target_properties(turbojpeg-static PROPERTIES OUTPUT_NAME turbojpeg)
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endif()
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@ -1955,7 +1962,7 @@ if(WITH_TURBOJPEG)
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT bin)
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install(TARGETS tjbench
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT bin)
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if(NOT CMAKE_VERSION VERSION_LESS "3.1" AND MSVC AND
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if(NOT CMAKE_VERSION VERSION_LESS "3.1" AND MSVC_LIKE AND
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CMAKE_C_LINKER_SUPPORTS_PDB)
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install(FILES "$<TARGET_PDB_FILE:turbojpeg>"
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DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT bin OPTIONAL)
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@ -66,7 +66,7 @@ endif() # Linux
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if(WIN32)
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if(MSVC)
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if(MSVC_LIKE)
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set(INST_PLATFORM "Visual C++")
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set(INST_ID vc)
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set(INST_NAME ${CMAKE_PROJECT_NAME}-${VERSION}-${INST_ID})
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@ -9,7 +9,7 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/..)
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set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/..)
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set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/..)
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if(MSVC)
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if(MSVC_LIKE)
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# Build all configurations against shared C library
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if(CMAKE_VERSION VERSION_EQUAL "3.15" OR
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CMAKE_VERSION VERSION_GREATER "3.15")
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@ -21,7 +21,7 @@ if(MSVC)
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set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreadedDLL)
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endif()
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message(STATUS "Visual C++ run-time library for libjpeg API DLL: ${CMAKE_MSVC_RUNTIME_LIBRARY}")
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else()
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elseif(MSVC)
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foreach(var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
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CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
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if(${var} MATCHES "/MT")
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@ -43,7 +43,7 @@ endif()
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if(WIN32)
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set(DEFFILE ../win/jpeg${SO_MAJOR_VERSION}.def)
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endif()
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if(MSVC)
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if(MSVC_LIKE)
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configure_file(${CMAKE_SOURCE_DIR}/win/jpeg.rc.in
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${CMAKE_BINARY_DIR}/win/jpeg.rc)
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set(JPEG_SRCS ${JPEG_SRCS} ${CMAKE_BINARY_DIR}/win/jpeg.rc)
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@ -64,12 +64,18 @@ if(MAPFLAG)
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set_target_properties(jpeg PROPERTIES
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LINK_FLAGS "${MAPFLAG}${CMAKE_CURRENT_BINARY_DIR}/../libjpeg.map")
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endif()
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if(MSVC)
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if(MSVC_LIKE)
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set_target_properties(jpeg PROPERTIES
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RUNTIME_OUTPUT_NAME jpeg${SO_MAJOR_VERSION})
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# The jsimd_*.c file is built using /MT, so this prevents a linker warning.
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set_target_properties(jpeg PROPERTIES LINK_FLAGS
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"/NODEFAULTLIB:LIBCMT /NODEFAULTLIB:LIBCMTD")
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# The jsimd_*.c file is built to use libcmt or libcmtd, so this prevents a
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# linker warning.
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if(MSVC)
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set_target_properties(jpeg PROPERTIES LINK_FLAGS
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"/NODEFAULTLIB:LIBCMT /NODEFAULTLIB:LIBCMTD")
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else()
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set_target_properties(jpeg PROPERTIES LINK_FLAGS
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"-Wl,-nodefaultlib:libcmt -Wl,-nodefaultlib:libcmtd")
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endif()
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elseif(MINGW)
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set_target_properties(jpeg PROPERTIES SUFFIX -${SO_MAJOR_VERSION}.dll)
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endif()
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@ -126,7 +132,7 @@ install(TARGETS jpeg EXPORT ${CMAKE_PROJECT_NAME}Targets
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT bin)
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install(TARGETS cjpeg djpeg jpegtran
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT bin)
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if(NOT CMAKE_VERSION VERSION_LESS "3.1" AND MSVC AND
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if(NOT CMAKE_VERSION VERSION_LESS "3.1" AND MSVC_LIKE AND
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CMAKE_C_LINKER_SUPPORTS_PDB)
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install(FILES "$<TARGET_PDB_FILE:jpeg>"
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DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT bin OPTIONAL)
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