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b75e8f2abf
Fairly straightforward, just requires enabling lld in this case since cross-compiling doesn't work well with gnu linker. Also lld doesn't understand the linker script program header symbolic names for read/write/execute. So we need to use the raw number there. Works around an issue where GCC 11 generates broken `init_array` section and also plt sections that glibc doesn't understand.
21 lines
699 B
CMake
21 lines
699 B
CMake
option(ENABLE_CLANG_THUNKS "Enable building thunks with clang" FALSE)
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set(CMAKE_SYSTEM_PROCESSOR x86_64)
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if (ENABLE_CLANG_THUNKS)
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message(STATUS "Enabling thunk clang building. Force enabling LLD as well")
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set(CMAKE_EXE_LINKER_FLAGS_INIT "-fuse-ld=lld")
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set(CMAKE_MODULE_LINKER_FLAGS_INIT "-fuse-ld=lld")
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set(CMAKE_SHARED_LINKER_FLAGS_INIT "-fuse-ld=lld")
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set(CMAKE_C_COMPILER clang)
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set(CMAKE_CXX_COMPILER clang++)
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set(CLANG_FLAGS "-target x86_64-linux-gnu")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CLANG_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CLANG_FLAGS}")
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else()
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set(CMAKE_C_COMPILER x86_64-linux-gnu-gcc)
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set(CMAKE_CXX_COMPILER x86_64-linux-gnu-g++)
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endif()
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