Re: [PATCH 00/10] perf parse-events: enable more flex/bison warnings

From: Arnaldo Carvalho de Melo
Date: Thu Jun 11 2020 - 09:13:39 EST


Em Thu, Jun 11, 2020 at 11:02:49AM +0200, Jiri Olsa escreveu:
> On Wed, Jun 10, 2020 at 02:50:50PM -0700, Ian Rogers wrote:
> > All C compiler warnings are disabled are disabled by -w. This change
> > removes the -w from flex and bison targets. To avoid implicit
> > declarations header files are declared as targets and included.
> >
> > Tested with GCC 9.3.0 and clang 9.0.1.
> >
> > Previously posted as a single change:
> > https://lore.kernel.org/lkml/20200609234344.3795-2-irogers@xxxxxxxxxx/
> >
> > Ian Rogers (10):
> > perf parse-events: Use automatic variable for flex input
> > perf parse-events: Use automatic variable for yacc input
> > perf pmu: Add bison debug build flag
> > perf pmu: Add flex debug build flag
> > perf parse-events: Declare flex header file output
> > perf parse-events: Declare bison header file output
> > perf parse-events: Disable a subset of flex warnings
> > perf expr: Avoid implicit lex function declaration
> > perf parse-events: Avoid implicit lex function declaration
> > perf parse-events: Disable a subset of bison warnings
>
> looks great, I wonder what the -w replacement will do in
> Arnaldo's distro test, but it'd be nice to get rid it
>
> Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>

Thanks, applied locally and will submit it to the test build suite.

- Arnaldo

> thanks,
> jirka
>
> >
> > tools/perf/util/Build | 50 +++++++++++++++++++++-------------
> > tools/perf/util/expr.y | 2 ++
> > tools/perf/util/parse-events.y | 1 +
> > 3 files changed, 34 insertions(+), 19 deletions(-)
> >
> > --
> > 2.27.0.278.ge193c7cf3a9-goog
> >
>

--

- Arnaldo