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SubjectRe: [RFC/fix] Re: libbpf build broken on musl libc (Alpine Linux)
On Thu, Sep 13, 2018 at 03:32:40PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Tue, Sep 11, 2018 at 02:24:53PM -0700, Alexei Starovoitov escreveu:
> > On Tue, Sep 11, 2018 at 09:15:43AM -0300, Arnaldo Carvalho de Melo wrote:
> > > Em Tue, Sep 11, 2018 at 12:22:18PM +0200, Jakub Kicinski escreveu:
> > > > On Mon, 10 Sep 2018 14:29:03 -0300, Arnaldo Carvalho de Melo wrote:
> > > > > After lunch I'll work on a patch to fix this,
> > > > Any luck?
>
> > > Well, we need to apply the patch below and make tools/lib/str_error_r.c
> > > live in a library that libbpf and perf is linked to.
>
> > do you want us to take the patch or you're applying it yourself?
>
> Please do some testing with my perf/libbpf+str_error_r branch, it has
> two patches to get this fixed, the one I sent and a prep one making
> libbpf link against libapi.
>
> [acme@jouet perf]$ git log --oneline -2
> a7ab924b7fec (HEAD -> perf/urgent, acme.korg/perf/libbpf+str_error_r) tools lib bpf: Use str_error_r() to fix the build in Alpine Linux
> fb4a79e04c2b tools lib bpf: Build and link to tools/lib/api/

https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git/commit/?h=perf/libbpf%2bstr_error_r&id=fb4a79e04c2b37ee873a3b31a3250925cf466fff
we cannot do this.
lib/api is GPL we cannot use it in LGPL library.

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