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nv-dlasalle 66eb240d15 [Bugfix] Include NCCL as a submodule (#2934)
* Add NCCL as a submodule

* Allow using third_party/nccl or system nccl

* Add nccl_external as a dependency

* Fix conditional

Co-authored-by: Quan (Andy) Gan <coin2028@hotmail.com>
2021-05-25 09:46:16 +08:00

25 行
612 B
CMake

include(ExternalProject)
# set path to submodule
set(NCCL_BUILD_DIR "${CMAKE_CURRENT_BINARY_DIR}/nccl")
# NCCL doesn't have CMAKE, so build externally
ExternalProject_Add(nccl_external
SOURCE_DIR ${PROJECT_SOURCE_DIR}/third_party/nccl
BUILD_IN_SOURCE 1
CONFIGURE_COMMAND ""
BUILD_COMMAND
env
make
"src.build"
"-j"
"BUILDDIR=${NCCL_BUILD_DIR}"
BUILD_BYPRODUCTS "${NCCL_BUILD_DIR}/lib/libnccl_static.a"
INSTALL_COMMAND ""
)
# set output variables
set(NCCL_FOUND TRUE)
set(NCCL_LIBRARY "${NCCL_BUILD_DIR}/lib/libnccl_static.a")
set(NCCL_INCLUDE_DIR "${NCCL_BUILD_DIR}/include")