mirror of
https://github.com/FEX-Emu/FEX.git
synced 2026-10-14 19:00:43 +02:00
Ryan Houdek
09a49a3420
This is a new procfs symlink path that changes behaviour of binfmt_misc when exposed. We need to check both procfs/exe and procfs/interpreter and see if they exist AND also differ. Once/if they do then we can disable a bunch of checking of paths once they do. The fallback when none of this is supported has the same behaviour has previously where it still does all the regular checking. During binfmt_misc install cmake will check the kernel version for the raw binfmt_misc writing. Which will never pass until we have a real kernel version that it is upstreamed in. For update-binfmts we add a new optional argument where the tool will drop the flag if the host kernel version isn't new enough to handle the option.
192 lines
6.8 KiB
CMake
192 lines
6.8 KiB
CMake
list(APPEND LIBS FEXCore Common)
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if (NOT MINGW_BUILD)
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add_subdirectory(LinuxSyscalls)
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if (TERMUX_BUILD)
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# Termux needs android-shmem to get the shm emulation library.
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list(APPEND LIBS android-shmem)
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endif()
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function(GenerateInterpreter NAME AsInterpreter)
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add_executable(${NAME}
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FEXLoader.cpp
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VDSO_Emulation.cpp
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AOT/AOTGenerator.cpp)
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# Enable FEX APIs to be used by targets that use target_link_libraries on FEXLoader
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set_target_properties(${NAME} PROPERTIES ENABLE_EXPORTS 1)
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target_include_directories(${NAME}
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PRIVATE
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${CMAKE_CURRENT_SOURCE_DIR}/
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${CMAKE_BINARY_DIR}/generated
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)
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target_link_libraries(${NAME}
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PRIVATE
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${LIBS}
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LinuxEmulation
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${PTHREAD_LIB}
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fmt::fmt
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)
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target_compile_definitions(${NAME} PRIVATE -DFEXLOADER_AS_INTERPRETER=${AsInterpreter})
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if (CMAKE_BUILD_TYPE MATCHES "RELEASE")
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target_link_options(${NAME}
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PRIVATE
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"LINKER:--gc-sections"
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"LINKER:--strip-all"
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"LINKER:--as-needed"
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)
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endif()
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install(TARGETS ${NAME}
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RUNTIME
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DESTINATION bin
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COMPONENT runtime
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)
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endfunction()
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GenerateInterpreter(FEXLoader 0)
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GenerateInterpreter(FEXInterpreter 1)
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install(PROGRAMS "${PROJECT_SOURCE_DIR}/Scripts/FEXUpdateAOTIRCache.sh" DESTINATION bin RENAME FEXUpdateAOTIRCache)
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if (CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64")
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# Check for conflicting binfmt before installing
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set (CONFLICTING_BINFMTS_32
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${CMAKE_INSTALL_PREFIX}/share/binfmts/qemu-i386
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${CMAKE_INSTALL_PREFIX}/share/binfmts/box86)
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set (CONFLICTING_BINFMTS_64
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${CMAKE_INSTALL_PREFIX}/share/binfmts/qemu-x86_64
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${CMAKE_INSTALL_PREFIX}/share/binfmts/box64)
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find_program(UPDATE_BINFMTS_PROGRAM update-binfmts)
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if (UPDATE_BINFMTS_PROGRAM)
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add_custom_target(binfmt_misc_32
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echo "Attempting to install FEX-x86 misc now."
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COMMAND "${CMAKE_SOURCE_DIR}/Scripts/CheckBinfmtNotInstall.sh" ${CONFLICTING_BINFMTS_32}
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COMMAND "update-binfmts" "--importdir=${CMAKE_INSTALL_PREFIX}/share/binfmts/" "--import" "FEX-x86"
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COMMAND ${CMAKE_COMMAND} -E
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echo "binfmt_misc FEX-x86 installed"
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)
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add_custom_target(binfmt_misc_64
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COMMAND ${CMAKE_COMMAND} -E
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echo "Attempting to install FEX-x86_64 misc now."
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COMMAND "${CMAKE_SOURCE_DIR}/Scripts/CheckBinfmtNotInstall.sh" ${CONFLICTING_BINFMTS_64}
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COMMAND "update-binfmts" "--importdir=${CMAKE_INSTALL_PREFIX}/share/binfmts/" "--import" "FEX-x86_64"
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COMMAND ${CMAKE_COMMAND} -E
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echo "binfmt_misc FEX-x86_64 installed"
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)
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if(TARGET uninstall)
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add_custom_target(uninstall_binfmt_misc_32
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COMMAND update-binfmts --unimport FEX-x86 || (exit 0)
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)
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add_custom_target(uninstall_binfmt_misc_64
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COMMAND update-binfmts --unimport FEX-x86_64 || (exit 0)
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)
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add_dependencies(uninstall uninstall_binfmt_misc_32)
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add_dependencies(uninstall uninstall_binfmt_misc_64)
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endif()
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else()
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set (SUPPORTED_BINFMT_MISC_FLAGS "POCF")
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execute_process(COMMAND uname -r OUTPUT_VARIABLE UNAME_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
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string(REGEX MATCH "[0-9]+.[0-9]+" KERNEL_VERSION ${UNAME_VERSION})
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message(STATUS "Kernel version: ${KERNEL_VERSION}")
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if (KERNEL_VERSION VERSION_GREATER_EQUAL 9999.0)
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# New binfmt_misc flag for exposing the interpreter was added in version '9999.0'
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# Only enable it if the host kernel is at least that.
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set (SUPPORTED_BINFMT_MISC_FLAGS "POCFI")
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endif()
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# In the case of update-binfmts not being available (Arch for example) then we need to install manually
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add_custom_target(binfmt_misc_32
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COMMAND ${CMAKE_COMMAND} -E
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echo "Attempting to remove FEX-x86 misc prior to install. Ignore permission denied"
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COMMAND ${CMAKE_COMMAND} -E
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echo -1 > /proc/sys/fs/binfmt_misc/FEX-x86 || (exit 0)
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COMMAND ${CMAKE_COMMAND} -E
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echo "Attempting to install FEX-x86 misc now."
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COMMAND ${CMAKE_COMMAND} -E
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echo
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':FEX-x86:M:0:\\x7fELF\\x01\\x01\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x02\\x00\\x03\\x00:\\xff\\xff\\xff\\xff\\xff\\xfe\\xfe\\x00\\x00\\x00\\x00\\xff\\xff\\xff\\xff\\xff\\xfe\\xff\\xff\\xff:${CMAKE_INSTALL_PREFIX}/bin/FEXInterpreter:${SUPPORTED_BINFMT_MISC_FLAGS}' > /proc/sys/fs/binfmt_misc/register
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COMMAND ${CMAKE_COMMAND} -E
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echo "binfmt_misc FEX-x86 installed"
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)
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add_custom_target(binfmt_misc_64
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COMMAND ${CMAKE_COMMAND} -E
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echo "Attempting to remove FEX-x86_64 misc prior to install. Ignore permission denied"
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COMMAND ${CMAKE_COMMAND} -E
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echo -1 > /proc/sys/fs/binfmt_misc/FEX-x86_64 || (exit 0)
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COMMAND ${CMAKE_COMMAND} -E
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echo "Attempting to install FEX-x86_64 misc now."
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COMMAND ${CMAKE_COMMAND} -E
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echo
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':FEX-x86_64:M:0:\\x7fELF\\x02\\x01\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x02\\x00\\x3e\\x00:\\xff\\xff\\xff\\xff\\xff\\xfe\\xfe\\x00\\x00\\x00\\x00\\xff\\xff\\xff\\xff\\xff\\xfe\\xff\\xff\\xff:${CMAKE_INSTALL_PREFIX}/bin/FEXInterpreter:${SUPPORTED_BINFMT_MISC_FLAGS}' > /proc/sys/fs/binfmt_misc/register
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COMMAND ${CMAKE_COMMAND} -E
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echo "binfmt_misc FEX-x86_64 installed"
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)
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if(TARGET uninstall)
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add_custom_target(uninstall_binfmt_misc_32
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COMMAND ${CMAKE_COMMAND} -E
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echo -1 > /proc/sys/fs/binfmt_misc/FEX-x86 || (exit 0)
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)
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add_custom_target(uninstall_binfmt_misc_64
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COMMAND ${CMAKE_COMMAND} -E
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echo -1 > /proc/sys/fs/binfmt_misc/FEX-x86_64 || (exit 0)
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)
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add_dependencies(uninstall uninstall_binfmt_misc_32)
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add_dependencies(uninstall uninstall_binfmt_misc_64)
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endif()
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endif()
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add_custom_target(binfmt_misc
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DEPENDS binfmt_misc_32
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DEPENDS binfmt_misc_64
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)
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endif()
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endif()
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if (BUILD_TESTS)
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set (SRCS TestHarnessRunner.cpp)
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if (NOT MINGW_BUILD)
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list(APPEND SRCS TestHarnessRunner/HostRunner.cpp)
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list(APPEND LIBS LinuxEmulation CommonTools)
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endif()
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add_executable(TestHarnessRunner ${SRCS})
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target_include_directories(TestHarnessRunner
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PRIVATE
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${CMAKE_CURRENT_SOURCE_DIR}/Source/
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${CMAKE_BINARY_DIR}/generated
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)
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target_link_libraries(TestHarnessRunner
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PRIVATE
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${LIBS}
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${PTHREAD_LIB}
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)
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if (NOT MINGW_BUILD)
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add_executable(IRLoader
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IRLoader.cpp
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)
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target_include_directories(IRLoader
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PRIVATE
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${CMAKE_CURRENT_SOURCE_DIR}/Source/
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${CMAKE_BINARY_DIR}/generated
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)
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target_link_libraries(IRLoader
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PRIVATE
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${LIBS}
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LinuxEmulation
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${PTHREAD_LIB}
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fmt::fmt
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)
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endif()
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endif()
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