mirror of
https://github.com/NVIDIA/cuda-samples.git
synced 2026-09-12 01:06:53 +08:00
5443602d89
Release 13.4 of the CUDA Samples supported by CUDA Toolkit 13.4. See Changelog for more information.
67 lines
2.5 KiB
CMake
67 lines
2.5 KiB
CMake
if(NOT DEFINED CMAKE_CUDA_ARCHITECTURES)
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message(FATAL_ERROR
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"CMAKE_CUDA_ARCHITECTURES is not set.\n"
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"For standalone sample builds, specify a target architecture explicitly:\n"
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" cmake -DCMAKE_CUDA_ARCHITECTURES=<arch> <path-to-sample>\n"
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"Example: cmake -DCMAKE_CUDA_ARCHITECTURES=90 .")
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endif()
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include("${CMAKE_CURRENT_LIST_DIR}/CudaSampleArchs.cmake")
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# Master list of all CUDA architectures supported by this repo and CUDA 13.x.
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# Each sample may define SAMPLE_DISALLOW_ARCHS to exclude architectures it does not support.
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set(_master_archs ${CUDA_SAMPLES_MASTER_ARCHS})
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# Compute this sample's effective arch list: master minus any disallowed archs.
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set(_effective_archs ${_master_archs})
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if(DEFINED SAMPLE_DISALLOW_ARCHS)
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foreach(_arch ${SAMPLE_DISALLOW_ARCHS})
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list(REMOVE_ITEM _effective_archs "${_arch}")
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endforeach()
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endif()
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get_filename_component(_sample_dir "${CMAKE_CURRENT_SOURCE_DIR}" NAME)
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# CMAKE_CUDA_ARCHITECTURES is set by the top-level CMakeLists.txt (defaulting to the
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# full master list if the user did not specify). Build only for the intersection with
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# the effective list; skip the sample if no requested arch is supported.
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# CMake special keywords (all, all-major, native) are passed through as-is.
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set(_passthrough_values "all" "all-major" "native")
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if(CMAKE_CUDA_ARCHITECTURES IN_LIST _passthrough_values)
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set(_passthrough TRUE)
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else()
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set(_passthrough FALSE)
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endif()
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if(NOT _passthrough)
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set(_build_archs)
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foreach(_arch ${CMAKE_CUDA_ARCHITECTURES})
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if(_arch IN_LIST _effective_archs)
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list(APPEND _build_archs "${_arch}")
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endif()
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endforeach()
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if(NOT _build_archs)
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if(NOT CUDA_SAMPLES_ARCHS_DEFAULTED)
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message(WARNING
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"Sample in directory '${_sample_dir}' skipped: "
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"user specified '${CMAKE_CUDA_ARCHITECTURES}' but this sample only supports '${_effective_archs}'")
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endif()
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set(SAMPLE_SKIP_BUILD TRUE)
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elseif(NOT "${_build_archs}" STREQUAL "${CMAKE_CUDA_ARCHITECTURES}" AND NOT CUDA_SAMPLES_ARCHS_DEFAULTED)
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message(WARNING
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"Sample in directory '${_sample_dir}': user requested some architecture(s) that are not supported. "
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"Only building for '${_build_archs}'")
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set(CMAKE_CUDA_ARCHITECTURES "${_build_archs}")
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else()
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set(CMAKE_CUDA_ARCHITECTURES "${_build_archs}")
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endif()
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unset(_build_archs)
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endif()
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unset(_master_archs)
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unset(_effective_archs)
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unset(_sample_dir)
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unset(_passthrough)
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unset(_passthrough_values)
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