FindMPI: Pass -pthread to CUDA compiler through -Xcompiler

When adding this flag to imported targets, wrap it in a generator
expression to use `-Xcompiler` to pass the flag for CUDA.

Fixes: #17929
This commit is contained in:
Brad King 2018-10-25 10:27:48 -04:00
parent d81c4db489
commit e2d54e5c40

View File

@ -1131,7 +1131,12 @@ macro(_MPI_create_imported_target LANG)
add_library(MPI::MPI_${LANG} INTERFACE IMPORTED)
endif()
set_property(TARGET MPI::MPI_${LANG} PROPERTY INTERFACE_COMPILE_OPTIONS "${MPI_${LANG}_COMPILE_OPTIONS}")
# When this is consumed for compiling CUDA, use '-Xcompiler' to wrap '-pthread'.
string(REPLACE "-pthread" "$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xcompiler >-pthread"
_MPI_${LANG}_COMPILE_OPTIONS "${MPI_${LANG}_COMPILE_OPTIONS}")
set_property(TARGET MPI::MPI_${LANG} PROPERTY INTERFACE_COMPILE_OPTIONS "${_MPI_${LANG}_COMPILE_OPTIONS}")
unset(_MPI_${LANG}_COMPILE_OPTIONS)
set_property(TARGET MPI::MPI_${LANG} PROPERTY INTERFACE_COMPILE_DEFINITIONS "${MPI_${LANG}_COMPILE_DEFINITIONS}")
set_property(TARGET MPI::MPI_${LANG} PROPERTY INTERFACE_LINK_LIBRARIES "")