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Post-commit fix of #164794 reported at https://github.com/llvm/llvm-project/pull/164794#issuecomment-3536253493 `LLVM_LIBRARY_OUTPUT_INTDIR` and `LLVM_RUNTIME_OUTPUT_INTDIR` is used by `AddLLVM.cmake` as output directories. Unless we are in a bootstrapping-build, It must not point to directories found by `find_package(LLVM)` which may be read-only directories. MLIR for instance sets thesese variables to its own build output directory, so should the runtimes.
The LLVM/Offload Subproject
The Offload subproject aims at providing tooling, runtimes, and APIs that allow users to execute code on accelerators or other "co-processors" that may or may not match the architecture of their "host". In the long run, all kinds of targets are in scope of this effort, including but not limited to: CPUs, GPUs, FPGAs, AI/ML accelerators, distributed resources, etc.
For OpenMP offload users, the project is ready and fully usable. The final API design is still under development. More content will show up here and on our webpage soon. In the meantime, people are encouraged to participate in our meetings (see below) and check our development board as well as the discussions on Discourse.
Meetings
Every second Wednesday, 7:00 - 8:00am PT, starting Jan 24, 2024. Alternates with the OpenMP in LLVM meeting. invite.ics Meeting Minutes and Agenda