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FindMPI: Pass -pthread to NVCC through -Xlinker for device linking

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Fixes: #20924
This commit is contained in:
Robert Maynard
2020-07-06 17:46:03 -04:00
committed by Brad King
parent 996b312825
commit 33192e1b5f
1 changed files with 2 additions and 0 deletions
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Modules/FindMPI.cmake
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@@ -1164,6 +1164,8 @@ macro(_MPI_create_imported_target LANG)
set_property(TARGET MPI::MPI_${LANG} PROPERTY INTERFACE_COMPILE_DEFINITIONS "${MPI_${LANG}_COMPILE_DEFINITIONS}")
if(MPI_${LANG}_LINK_FLAGS)
string(REPLACE "-pthread" "$<$<LINK_LANG_AND_ID:CUDA,NVIDIA>:-Xlinker >-pthread"
_MPI_${LANG}_LINK_FLAGS "${MPI_${LANG}_LINK_FLAGS}")
set_property(TARGET MPI::MPI_${LANG} PROPERTY INTERFACE_LINK_OPTIONS "SHELL:${MPI_${LANG}_LINK_FLAGS}")
endif()
# If the compiler links MPI implicitly, no libraries will be found as they're contained within