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[Offload] Prevent by default passing CMAKE_CXX_FLAGS to GPU build #160881

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[Offload] Prevent by default passing CMAKE_CXX_FLAGS to GPU build #160881

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6 changes: 6 additions & 0 deletions offload/cmake/caches/Offload.cmake
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Expand Up @@ -7,3 +7,9 @@ set(RUNTIMES_nvptx64-nvidia-cuda_CACHE_FILES "${CMAKE_SOURCE_DIR}/../libcxx/cmak
set(RUNTIMES_amdgcn-amd-amdhsa_CACHE_FILES "${CMAKE_SOURCE_DIR}/../libcxx/cmake/caches/AMDGPU.cmake" CACHE STRING "")
set(RUNTIMES_nvptx64-nvidia-cuda_LLVM_ENABLE_RUNTIMES "compiler-rt;libc;openmp;libcxx;libcxxabi" CACHE STRING "")
set(RUNTIMES_amdgcn-amd-amdhsa_LLVM_ENABLE_RUNTIMES "compiler-rt;libc;openmp;libcxx;libcxxabi" CACHE STRING "")

# Prevent people mistakenly sending CPU flags to the GPU build.
set(RUNTIMES_nvptx64-nvidia-cuda_CMAKE_CXX_FLAGS "" CACHE STRING "")
set(RUNTIMES_amdgcn-amd-amdhsa_CMAKE_CXX_FLAGS "" CACHE STRING "")
set(RUNTIMES_nvptx64-nvidia-cuda_CMAKE_C_FLAGS "" CACHE STRING "")
set(RUNTIMES_amdgcn-amd-amdhsa_CMAKE_C_FLAGS "" CACHE STRING "")
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