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Merge pull request #599 from marian-nmt/nccl-unused-function
clang: Disable unused-function warnings for 3rd-party NCCL library
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commit
63272d1bc4
8
src/3rd_party/CMakeLists.txt
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8
src/3rd_party/CMakeLists.txt
vendored
@ -86,6 +86,12 @@ if(CUDA_FOUND)
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if(COMPILE_CUDA_SM70)
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set(GENCODE "${GENCODE} -gencode=arch=compute_70,code=sm_70")
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endif(COMPILE_CUDA_SM70)
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# clang generates a lot of unused function warnings for NCCL
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if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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set(NCCL_CXXFLAGS "-Wno-unused-function")
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else()
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set(NCCL_CXXFLAGS "")
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endif()
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# install nccl in ${CMAKE_BINARY_DIR}/local similar to /usr/local linux installation
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ExternalProject_Add(nccl_install
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@ -95,7 +101,7 @@ if(CUDA_FOUND)
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BUILD_COMMAND
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$(MAKE) -f ${CMAKE_CURRENT_SOURCE_DIR}/nccl/Makefile src.build
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BUILDDIR=${CMAKE_BINARY_DIR}/local CUDA_HOME=${CUDA_TOOLKIT_ROOT_DIR}
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CUDA8_GENCODE=${GENCODE} CXX=${CMAKE_CXX_COMPILER}
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CUDA8_GENCODE=${GENCODE} CXX=${CMAKE_CXX_COMPILER} CXXFLAGS=${NCCL_CXXFLAGS}
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INSTALL_COMMAND "")
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set_target_properties(nccl PROPERTIES IMPORTED_LOCATION ${CMAKE_BINARY_DIR}/local/lib/libnccl_static.a)
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