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56 lines
2.5 KiB
CMake
56 lines
2.5 KiB
CMake
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vcpkg_fail_port_install(ON_TARGET "Windows" "OSX" ON_ARCH "x86" "arm")
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# note: this port must be kept in sync with CUDA port: every time one is upgraded, the other must be too
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set(NCCL_VERSION "2.4.6.1")
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set(NCCL_FULL_VERSION "${NCCL_VERSION}-cuda10.1_0")
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string(REPLACE "." ";" VERSION_LIST ${NCCL_VERSION})
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list(GET VERSION_LIST 0 NCCL_VERSION_MAJOR)
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list(GET VERSION_LIST 1 NCCL_VERSION_MINOR)
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list(GET VERSION_LIST 2 NCCL_VERSION_PATCH)
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set(NCCL_DOWNLOAD_LINK "https://anaconda.org/nvidia/nccl/${NCCL_VERSION}/download/linux-64/nccl-${NCCL_FULL_VERSION}.tar.bz2")
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# Try to find NCCL if it exists; only download if it doesn't exist
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set(NCCL_PREV_MODULE_PATH ${CMAKE_MODULE_PATH})
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list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR})
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find_package(NCCL ${NCCL_VERSION})
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set(CMAKE_MODULE_PATH ${NCCL_PREV_MODULE_PATH})
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# Download or return
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if(NCCL_FOUND)
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message(STATUS "Using NCCL located on system.")
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set(VCPKG_POLICY_EMPTY_PACKAGE enabled)
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else()
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message(STATUS "NCCL not found on system. Downloading...")
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vcpkg_check_linkage(ONLY_DYNAMIC_LIBRARY ONLY_DYNAMIC_CRT)
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set(SHA512_NCCL "0fe69ad559f70aab97c78906296e2b909b4a9c042a228a2770252b3d03016c7c39acce3c0e0bd0ba651abd63471743dcffdfec307c486989c6e5745634aabde1")
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set(NCCL_OS "linux")
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vcpkg_download_distfile(ARCHIVE
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URLS ${NCCL_DOWNLOAD_LINK}
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FILENAME "nccl-${NCCL_FULL_VERSION}-${NCCL_OS}.tar.bz2"
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SHA512 ${SHA512_NCCL}
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)
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vcpkg_extract_source_archive_ex(
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OUT_SOURCE_PATH SOURCE_PATH
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ARCHIVE ${ARCHIVE}
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NO_REMOVE_ONE_LEVEL
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)
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file(INSTALL "${SOURCE_PATH}/include/nccl.h" DESTINATION ${CURRENT_PACKAGES_DIR}/include)
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file(INSTALL "${SOURCE_PATH}/include/nccl_net.h" DESTINATION ${CURRENT_PACKAGES_DIR}/include)
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file(INSTALL "${SOURCE_PATH}/lib/libnccl.so" DESTINATION ${CURRENT_PACKAGES_DIR}/lib)
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file(INSTALL "${SOURCE_PATH}/lib/libnccl.so.${NCCL_VERSION_MAJOR}" DESTINATION ${CURRENT_PACKAGES_DIR}/lib)
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file(INSTALL "${SOURCE_PATH}/lib/libnccl.so.${NCCL_VERSION_MAJOR}.${NCCL_VERSION_MINOR}.${NCCL_VERSION_PATCH}" DESTINATION ${CURRENT_PACKAGES_DIR}/lib)
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file(INSTALL "${SOURCE_PATH}/info/licenses/LICENSE.txt" DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
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file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/FindNCCL.cmake" DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT})
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file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/vcpkg-cmake-wrapper.cmake" DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT})
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endif()
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file(INSTALL "${CURRENT_PORT_DIR}/usage" DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT})
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