[PATCH v1 4/5] perf pmu: Add YYDEBUG

[Ian Rogers]

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