This is affecting the net test build in ubuntu_kernel_selftests as well.
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https://bugs.launchpad.net/bugs/1882559
Title:
ubuntu_bpf failed to build on B-5.4 GCP/Oracle/Azure with
** Changed in: ubuntu-kernel-tests
Assignee: (unassigned) => Po-Hsu Lin (cypressyew)
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You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1882559
Title:
ubuntu_bpf failed to build on B-5.4
This issue can be found on B-5.4 generic kernel as well.
It looks like with clang-9 and llvm-9 installed, the test can be built
and tested.
export CLANG=clang-9
export LLC=llc-9
export LLVM_OBJCOPY=llvm-objcopy-9
export LLVM_READELF=llvm-readelf-9
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Spotted on Bionic 5.4 Azure.
** Summary changed:
- ubuntu_bpf failed to build on B-5.4 GCP/Oracle with "error: use of unknown
builtin '__builtin_preserve_access_index'"
+ ubuntu_bpf failed to build on B-5.4 GCP/Oracle/Azure with "error: use of
unknown builtin '__builtin_preserve_access_index'"
