YYDEBUG enables line numbers and other error helpers in the generated pmu-bison.c. Conditionally enabled only for debug builds. Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx> --- tools/perf/util/pmu.y | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/perf/util/pmu.y b/tools/perf/util/pmu.y index 600c8c158c8e..198907a8a48a 100644 --- a/tools/perf/util/pmu.y +++ b/tools/perf/util/pmu.y @@ -5,6 +5,10 @@ %{ +#ifndef NDEBUG +#define YYDEBUG 1 +#endif + #include <linux/compiler.h> #include <linux/list.h> #include <linux/bitmap.h> -- 2.42.0.283.g2d96d420d3-goog