Commit 3f1d0dc0 authored by Yonghong Song's avatar Yonghong Song Committed by Alexei Starovoitov
Browse files

selftests/bpf: Clarify llvm dependency with btf_tag selftest 



btf_tag selftest needs certain llvm versions (>= llvm14).
Make it clear in the selftests README.rst file.

Signed-off-by: default avatarYonghong Song <yhs@fb.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Acked-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211112012651.1508549-1-yhs@fb.com
parent 5698a42a

tools/testing/selftests/bpf/README.rst

+5 −4
Original line number Diff line number Diff line
@@ -204,16 +204,17 @@ __ https://reviews.llvm.org/D93563 
btf_tag test and Clang version

==============================



The btf_tag selftest require LLVM support to recognize the btf_decl_tag attribute.

It was introduced in `Clang 14`__.

The btf_tag selftest requires LLVM support to recognize the btf_decl_tag and

btf_type_tag attributes. They are introduced in `Clang 14` [0_, 1_].



Without it, the btf_tag selftest will be skipped and you will observe:

Without them, the btf_tag selftest will be skipped and you will observe:



.. code-block:: console



  #<test_num> btf_tag:SKIP



__ https://reviews.llvm.org/D111588

.. _0: https://reviews.llvm.org/D111588

.. _1: https://reviews.llvm.org/D111199



Clang dependencies for static linking tests

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