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Open Source Computer Vision Library https://opencv.org/
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opencv/platforms/linux/riscv64-clang.toolchain.cmake

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Added cmake toolchain for RISC-V with clang. - 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
4 years ago
set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR riscv64)
set(RISCV_CLANG_BUILD_ROOT /opt/rvv-llvm CACHE PATH "Path to CLANG for RISC-V cross compiler build directory")
riscv: use /opt/riscv path in toolchain - align with defaults from https://github.com/riscv-collab/riscv-gnu-toolchain
2 years ago
set(RISCV_GCC_INSTALL_ROOT /opt/riscv CACHE PATH "Path to GCC for RISC-V cross compiler installation directory")
Added cmake toolchain for RISC-V with clang. - 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
4 years ago
set(CMAKE_SYSROOT ${RISCV_GCC_INSTALL_ROOT}/sysroot CACHE PATH "RISC-V sysroot")
set(CLANG_TARGET_TRIPLE riscv64-unknown-linux-gnu)
set(CMAKE_C_COMPILER ${RISCV_CLANG_BUILD_ROOT}/bin/clang)
set(CMAKE_C_COMPILER_TARGET ${CLANG_TARGET_TRIPLE})
set(CMAKE_CXX_COMPILER ${RISCV_CLANG_BUILD_ROOT}/bin/clang++)
set(CMAKE_CXX_COMPILER_TARGET ${CLANG_TARGET_TRIPLE})
set(CMAKE_ASM_COMPILER ${RISCV_CLANG_BUILD_ROOT}/bin/clang)
set(CMAKE_ASM_COMPILER_TARGET ${CLANG_TARGET_TRIPLE})
# Don't run the linker on compiler check
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
cmake: fix RISC-V toolchains - RVV options are moved to configuration scripts instead of toolchains
2 years ago
set(CMAKE_C_FLAGS "-march=rv64gc --gcc-toolchain=${RISCV_GCC_INSTALL_ROOT} -w ${CMAKE_C_FLAGS}")
set(CMAKE_CXX_FLAGS "-march=rv64gc --gcc-toolchain=${RISCV_GCC_INSTALL_ROOT} -w ${CXX_FLAGS}")
Added cmake toolchain for RISC-V with clang. - 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
4 years ago
set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)