mirror of
https://github.com/NVIDIA/cuda-samples.git
synced 2025-07-01 20:20:29 +08:00
60 lines
2.1 KiB
CMake
60 lines
2.1 KiB
CMake
set(CMAKE_SYSTEM_NAME Linux)
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set(CMAKE_SYSTEM_PROCESSOR aarch64)
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# Specify the cross-compilers
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set(CMAKE_C_COMPILER aarch64-linux-gnu-gcc)
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set(CMAKE_CXX_COMPILER aarch64-linux-gnu-g++)
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set(CMAKE_AR aarch64-linux-gnu-ar)
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set(CMAKE_RANLIB aarch64-linux-gnu-ranlib)
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# Indicate cross-compiling.
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set(CMAKE_CROSSCOMPILING TRUE)
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# Set CUDA compiler flags
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set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -ccbin ${CMAKE_CXX_COMPILER}" CACHE STRING "" FORCE)
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# Use a local sysroot copy
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if(DEFINED TARGET_FS)
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set(CMAKE_SYSROOT "${TARGET_FS}")
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list(APPEND CMAKE_FIND_ROOT_PATH
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"/usr/local/cuda/targets/aarch64-linux"
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)
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -Xcompiler --sysroot=${TARGET_FS}")
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set(LIB_PATHS
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"${TARGET_FS}/usr/lib/"
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"${TARGET_FS}/usr/lib/aarch64-linux-gnu"
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"${TARGET_FS}/usr/lib/aarch64-linux-gnu/nvidia"
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)
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# Add rpath-link flags for all library paths
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foreach(lib_path ${LIB_PATHS})
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-rpath-link,${lib_path}")
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-rpath-link,${lib_path}")
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endforeach()
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# Add the real path of CUDA installation on TARGET_FS for nvvm
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find_program(TARGET_CUDA_NVCC_PATH nvcc
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PATH "${TARGET_FS}/usr/local/cuda/bin"
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NO_DEFAULT_PATH
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NO_CMAKE_PATH
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)
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if(TARGET_CUDA_NVCC_PATH)
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# Get the real path of CUDA installation on TARGET_FS
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get_filename_component(TARGET_CUDA_PATH "${TARGET_CUDA_NVCC_PATH}" REALPATH)
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get_filename_component(TARGET_CUDA_ROOT "${TARGET_CUDA_PATH}" DIRECTORY)
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get_filename_component(TARGET_CUDA_ROOT "${TARGET_CUDA_ROOT}" DIRECTORY)
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endif()
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if (DEFINED TARGET_CUDA_ROOT)
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list(APPEND CMAKE_LIBRARY_PATH "${TARGET_CUDA_ROOT}/targets/aarch64-linux/lib")
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# Define NVVM paths for build and runtime
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set(ENV{LIBNVVM_HOME} "${TARGET_CUDA_ROOT}")
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set(RUNTIME_LIBNVVM_PATH "${TARGET_CUDA_ROOT}/nvvm/lib64")
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endif()
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endif()
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