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https://github.com/opencv/opencv.git
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ff4c3873f2
- Added cross compile cmake file for target riscv64-clang - Extended cmake for RISC-V and added instruction checks - Created intrin_rvv.hpp with C++ version universal intrinsics
28 lines
1.2 KiB
CMake
28 lines
1.2 KiB
CMake
set(CMAKE_SYSTEM_NAME Linux)
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set(CMAKE_SYSTEM_PROCESSOR riscv64)
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set(RISCV_CLANG_BUILD_ROOT /opt/rvv-llvm CACHE PATH "Path to CLANG for RISC-V cross compiler build directory")
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set(RISCV_GCC_INSTALL_ROOT /opt/RISCV CACHE PATH "Path to GCC for RISC-V cross compiler installation directory")
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set(CMAKE_SYSROOT ${RISCV_GCC_INSTALL_ROOT}/sysroot CACHE PATH "RISC-V sysroot")
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set(CLANG_TARGET_TRIPLE riscv64-unknown-linux-gnu)
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set(CMAKE_C_COMPILER ${RISCV_CLANG_BUILD_ROOT}/bin/clang)
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set(CMAKE_C_COMPILER_TARGET ${CLANG_TARGET_TRIPLE})
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set(CMAKE_CXX_COMPILER ${RISCV_CLANG_BUILD_ROOT}/bin/clang++)
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set(CMAKE_CXX_COMPILER_TARGET ${CLANG_TARGET_TRIPLE})
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set(CMAKE_ASM_COMPILER ${RISCV_CLANG_BUILD_ROOT}/bin/clang)
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set(CMAKE_ASM_COMPILER_TARGET ${CLANG_TARGET_TRIPLE})
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# Don't run the linker on compiler check
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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set(CMAKE_C_FLAGS "-march=rv64gcv --gcc-toolchain=${RISCV_GCC_INSTALL_ROOT} -w ${CMAKE_C_FLAGS}")
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set(CMAKE_CXX_FLAGS "-march=rv64gcv --gcc-toolchain=${RISCV_GCC_INSTALL_ROOT} -w ${CXX_FLAGS}")
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set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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