On Thu, Oct 10, 2019 at 11:47:00AM -0300, Arnaldo Carvalho de Melo wrote: SNIP
> > diff --git a/tools/perf/lib/include/internal/mmap.h > > b/tools/perf/lib/include/internal/mmap.h > > index ee536c4441bb..b328332b6ccf 100644 > > --- a/tools/perf/lib/include/internal/mmap.h > > +++ b/tools/perf/lib/include/internal/mmap.h > > @@ -11,6 +11,7 @@ > > #define PERF_SAMPLE_MAX_SIZE (1 << 16) > > > > struct perf_mmap; > > +union perf_event; > > Why are you adding this here? oops, it should be in lib/include/perf/mmap.h ;-) plz let me know if you want me to repost thanks, jirka