Messages in this thread | | | Date | Thu, 9 Dec 2021 14:09:13 -0800 | Subject | Re: ANNOUNCE: pahole v1.23 (BTF tags and alignment inference) | From | Yonghong Song <> |
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On 12/8/21 11:11 AM, Jan Engelhardt wrote: > > On Wednesday 2021-12-08 19:35, Arnaldo Carvalho de Melo wrote: > >> Em Wed, Dec 08, 2021 at 03:26:31PM +0100, Jan Engelhardt escreveu: >>> >>> On Wednesday 2021-12-08 14:54, Arnaldo Carvalho de Melo wrote: >>>> >>>> The v1.23 release of pahole and its friends is out, this time >>>> the main new features are the ability to encode BTF tags, to carry >>> >>> [ 7s] /home/abuild/rpmbuild/BUILD/dwarves-1.23/btf_encoder.c:145:10: error: 'BTF_KIND_DECL_TAG' undeclared here (not in a function); did you mean 'BTF_KIND_FLOAT'? >>> >>> libbpf-0.5.0 is present, since CMakeLists.txt checked for >= 0.4.0. >> >> My fault, knowing the flux that libbpf is in getting to 1.0 I should >> have retested with the perf tools container based tests. >> >> Can you think about some fix for that? Lemme see if BTF_KIND_DECL_TAG is >> a define or an enum... > > Just bumping this line > > pkg_check_modules(LIBBPF REQUIRED libbpf>=0.4.0) > > to the right version would absolutely be sufficient for us. Of course, that > requires that the libbpf project itself at least manages to make tags > regularly.
Change above version 0.4.0 to 0.6.0 should work as libbpf 0.6.0 contains all the changes related to BTF_KIND_{TYPE,DECL}_TAGs.
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