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Clang GPU compilation requires explicit CUDACC version flags (#63)

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Dustyn Blasig 2019-11-20 11:52:11 -06:00 committed by Andrew Kerr
parent fb335f6a5f
commit f4d9c8f755
1 changed files with 5 additions and 0 deletions
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5
CMakeLists.txt
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@ -242,6 +242,11 @@ if(CUDA_COMPILER MATCHES "[Cc]lang")
string(APPEND CLANG_FLAGS " -mllvm -unroll-threshold=5000")
string(APPEND CLANG_FLAGS " -Wno-unused-command-line-argument")
string(REPLACE "." ";" CUDA_VERSION_PARTS ${CMAKE_CUDA_COMPILER_VERSION})
list(GET CUDA_VERSION_PARTS 0 CUDA_VERSION_MAJOR)
list(GET CUDA_VERSION_PARTS 1 CUDA_VERSION_MINOR)
string(APPEND CLANG_FLAGS " -D__CUDACC_VER_MAJOR__=${CUDA_VERSION_MAJOR} -D__CUDACC_VER_MINOR__=${CUDA_VERSION_MINOR}")
# needed for libcublasLt.so in case it's installed in the same location as libcudart.so
# dynamic linker can find it if linker sets RPATH (forced by --disable-new-tags)
# Otherwise linker uses RUNPATH and that does not propagate to loaded libs.