correctly build offload for default OMP_FLAGS_OFFLOAD_* settings #181
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…efetch optimization (UoB-HPC#177)
…matic prefetch optimization (UoB-HPC#177)" This reverts commit 06c3d53.
Revert "Remove AdaptiveCpp workaround in dpl_shim.h to allow for automatic prefetch optimization"
Revert "Rename Julia package to `BabelStream.jl` and add compats"
It seems like Ubuntu adds -fcf-protection=full as a default flag for GCC, which is not supported with AMD OpenMP offload -foffload=amdgcn-amdhsa
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For OpenMP target offload, there are a few default
OMP_FLAGS_OFFLOAD_<COMPILER?>_<VENDOR?settings, which may work for some systems e.g. OLCF Frontier. However, setting this flag tuple doesn't currently setOMP_TARGET_GPU, so the application doesn't actually compile for offload.This fix defines
OMP_TARGET_GPUwheneverOMP_FLAGS_OFFLOAD_<COMPILER?>_<VENDOR?is defined. With this fix, BabelStream correctly builds for OLCF Frontier with: