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5df21adf46
When crosscompiling we pass the sysroot.
We need to try various architecture flags. Clang doesn't automatically
select one that works. First try the ones that are more likely to work
for modern installations:
* <=sm_50 is deprecated since CUDA 10.2, try sm_52 first for
future compatibility.
* <=sm_20 is removed since CUDA 9.0, try sm_30.
Otherwise fallback to Clang's current default. Currently that's `sm_20`,
the lowest it supports.
Separable compilation isn't supported yet.
Fixes: #16586
26 lines
1.3 KiB
CMake
26 lines
1.3 KiB
CMake
include(Compiler/Clang)
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__compiler_clang(CUDA)
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# C++03 isn't supported for CXX, but is for CUDA, so we need to set these manually.
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# Do this before __compiler_clang_cxx_standards() since that adds the feature.
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set(CMAKE_CUDA03_STANDARD_COMPILE_OPTION "-std=c++03")
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set(CMAKE_CUDA03_EXTENSION_COMPILE_OPTION "-std=gnu++03")
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__compiler_clang_cxx_standards(CUDA)
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set(CMAKE_CUDA_COMPILER_HAS_DEVICE_LINK_PHASE TRUE)
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set(_CMAKE_COMPILE_AS_CUDA_FLAG "-x cuda")
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set(_CMAKE_CUDA_PTX_FLAG "--cuda-device-only -S")
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# RulePlaceholderExpander expands crosscompile variables like sysroot and target only for CMAKE_<LANG>_COMPILER. Override the default.
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set(CMAKE_CUDA_LINK_EXECUTABLE "<CMAKE_CUDA_COMPILER> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>${__IMPLICT_LINKS}")
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set(CMAKE_CUDA_CREATE_SHARED_LIBRARY "<CMAKE_CUDA_COMPILER> <CMAKE_SHARED_LIBRARY_CUDA_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CUDA_FLAGS> <SONAME_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>${__IMPLICT_LINKS}")
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set(CMAKE_CUDA_RUNTIME_LIBRARY_DEFAULT "STATIC")
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set(CMAKE_CUDA_RUNTIME_LIBRARY_LINK_OPTIONS_STATIC "cudadevrt;cudart_static")
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set(CMAKE_CUDA_RUNTIME_LIBRARY_LINK_OPTIONS_SHARED "cudadevrt;cudart")
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set(CMAKE_CUDA_RUNTIME_LIBRARY_LINK_OPTIONS_NONE "")
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if(UNIX)
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list(APPEND CMAKE_CUDA_RUNTIME_LIBRARY_LINK_OPTIONS_STATIC "rt" "pthread" "dl")
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endif()
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