opencv

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set(CMAKE_SYSTEM_NAME Linux)
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set(CMAKE_SYSTEM_VERSION 1)
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set(GNU_MACHINE riscv64-unknown-linux-gnu CACHE STRING "GNU compiler triple")
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if(NOT DEFINED CMAKE_CXX_FLAGS)  # guards toolchain multiple calls
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  set(CMAKE_C_FLAGS "-march=rv64gc")
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  set(CMAKE_CXX_FLAGS "-march=rv64gc")
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endif()
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include("${CMAKE_CURRENT_LIST_DIR}/riscv-gnu.toolchain.cmake")
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