RE: [PATCH 4/4] build: Switch to new openssl API for test-libcrypto

[Roberto Sassu <roberto.sassu@huawei.com>]

> From: Arnaldo Carvalho de Melo [mailto:acme@kernel.org]
> Sent: Tuesday, August 9, 2022 5:21 PM
> Em Tue, Aug 09, 2022 at 12:15:25PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Mon, Aug 08, 2022 at 03:33:34PM -0300, Arnaldo Carvalho de Melo
> escreveu:
> > > Em Mon, Aug 08, 2022 at 06:14:48PM +0200, Daniel Borkmann escreveu:
> > > > Hi Arnaldo,
> > > >
> > > > On 7/19/22 7:05 PM, Roberto Sassu wrote:
> > > > > Switch to new EVP API for detecting libcrypto, as Fedora 36 returns an
> > > > > error when it encounters the deprecated function MD5_Init() and the
> others.
> > > > > The error would be interpreted as missing libcrypto, while in reality it is
> > > > > not.
> > > > >
> > > > > Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
> > > >
> > > > Given rest of the tooling fixes from Andres Freund went via perf tree and
> the
> > > > below is perf related as well, I presume you'll pick this up, too?
> > >
> > > Sure.
> > >
> > > >   [0]
> https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git/log/?h=perf/cor
> e
> >
> > So I fixed up the first one, minor fuzzes, the second I had to fix
> > conflicts with the patchset from Andres, ended up as below, will test
> > build it then in my container kit.
> 
> So I backtracked, the way it works needs further consideration with
> regard to the patchkit from Andres, that is already upstream, so it
> would be good for Roberto to take a look at what is in torvalds/master
> now and see if we have to removed that styled thing from Andres.

Will do. Thanks Arnaldo for adapting the patch.

Roberto

> Andres, if you could take a look at Roberto's patchkit as well that
> would be great.
> 
> - Arnaldo
> 
> > commit bea955a0256e20cc18e87087e42f2a903b9a8b84
> > Author: Roberto Sassu <roberto.sassu@huawei.com>
> > Date:   Tue Jul 19 19:05:53 2022 +0200
> >
> >     bpftool: Complete libbfd feature detection
> >
> >     Commit 6e8ccb4f624a7 ("tools/bpf: properly account for libbfd variations")
> >     sets the linking flags depending on which flavor of the libbfd feature was
> >     detected.
> >
> >     However, the flavors except libbfd cannot be detected, as they are not in
> >     the feature list.
> >
> >     Complete the list of features to detect by adding libbfd-liberty and
> >     libbfd-liberty-z.
> >
> >     Committer notes:
> >
> >     Adjust conflict with with:
> >
> >       1e1613f64cc8a09d ("tools bpftool: Don't display disassembler-four-args
> feature test")
> >       600b7b26c07a070d ("tools bpftool: Fix compilation error with new
> binutils")
> >
> >     Fixes: 6e8ccb4f624a73c5 ("tools/bpf: properly account for libbfd variations")
> >     Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
> >     Cc: Alexei Starovoitov <ast@kernel.org>
> >     Cc: Andres Freund <andres@anarazel.de>
> >     Cc: Andrii Nakryiko <andrii@kernel.org>
> >     Cc: bpf@vger.kernel.org
> >     Cc: Daniel Borkmann <daniel@iogearbox.net>
> >     Cc: Ingo Molnar <mingo@redhat.com>
> >     Cc: John Fastabend <john.fastabend@gmail.com>
> >     Cc: KP Singh <kpsingh@kernel.org>
> >     Cc: llvm@lists.linux.dev
> >     Cc: Martin KaFai Lau <martin.lau@linux.dev>
> >     Cc: Nathan Chancellor <nathan@kernel.org>
> >     Cc: Nick Desaulniers <ndesaulniers@google.com>
> >     Cc: Nick Terrell <terrelln@fb.com>
> >     Cc: Peter Zijlstra <peterz@infradead.org>
> >     Cc: Quentin Monnet <quentin@isovalent.com>
> >     Cc: Song Liu <song@kernel.org>
> >     Cc: Stanislav Fomichev <sdf@google.com>
> >     Link: https://lore.kernel.org/r/20220719170555.2576993-2-
> roberto.sassu@huawei.com
> >     Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
> >
> > diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
> > index 04d733e98bffbc08..9cc132277150c534 100644
> > --- a/tools/bpf/bpftool/Makefile
> > +++ b/tools/bpf/bpftool/Makefile
> > @@ -93,9 +93,11 @@ INSTALL ?= install
> >  RM ?= rm -f
> >
> >  FEATURE_USER = .bpftool
> > -FEATURE_TESTS = libbfd disassembler-four-args disassembler-init-styled
> libcap \
> > +FEATURE_TESTS = libbfd libbfd-liberty libbfd-liberty-z
> > +	disassembler-four-args disassembler-init-styled libcap \
> >  	clang-bpf-co-re
> > -FEATURE_DISPLAY = libbfd libcap clang-bpf-co-re
> > +FEATURE_DISPLAY = libbfd libbfd-liberty libbfd-liberty-z
> > +	libcap clang-bpf-co-re
> >
> >  check_feat := 1
> >  NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-
> uninstall
> 
> --
> 
> - Arnaldo