From 88cc47e24597971b05b6e94c28a2fc81d2a8d61a Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Fri, 28 Jul 2023 17:26:54 -0300
Subject: [PATCH] perf build: Define YYNOMEM as YYNOABORT for bison < 3.81

YYNOMEM was introduced in bison 3.81, so define it as YYABORT for older
versions, which should provide the previous perf behaviour.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/Build | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/perf/util/Build b/tools/perf/util/Build
index 96f4ea1..9c6c447 100644
--- a/tools/perf/util/Build
+++ b/tools/perf/util/Build
@@ -301,6 +301,12 @@ ifeq ($(BISON_GE_35),1)
 else
   bison_flags += -w
 endif
+
+BISON_LT_381 := $(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \< 381)
+ifeq ($(BISON_LT_381),1)
+  bison_flags += -DYYNOMEM=YYABORT
+endif
+
 CFLAGS_parse-events-bison.o += $(bison_flags)
 CFLAGS_pmu-bison.o          += -DYYLTYPE_IS_TRIVIAL=0 $(bison_flags)
 CFLAGS_expr-bison.o         += -DYYLTYPE_IS_TRIVIAL=0 $(bison_flags)
-- 
2.7.4