From 5dacc6b3a1d40cd9e86cc0059c990fc7c70a5831 Mon Sep 17 00:00:00 2001
From: itchyny <itchyny@cybozu.co.jp>
Date: Wed, 28 Jun 2023 17:56:53 +0900
Subject: Fix bison warnings on incompatibilities with POSIX Yacc (#2634)

---
 Makefile.am  | 8 ++++----
 src/parser.y | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 4ccde3a0..6729b954 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -44,10 +44,10 @@ BUILT_SOURCES = src/builtin.inc src/version.h
 	$(AM_V_LEX) echo "NOT building lexer.c!"
 endif
 
-# Tell YACC (bison) autoconf macros that you want a header file created.
-# If the --warnings=all fails, you probably have an old version of bison
-# OSX ships an old bison, so update with homebrew or macports
-AM_YFLAGS = --warnings=all -d
+# Tell YACC (Bison) autoconf macros that you want a header file created.
+# If the --warnings=all fails, you probably have an old version of Bison
+# macOS ships an old Bison, so update with Homebrew or MacPorts.
+AM_YFLAGS = --warnings=all -Wno-yacc -d
 
 ### libjq
 
diff --git a/src/parser.y b/src/parser.y
index f04853f5..020e83f5 100644
--- a/src/parser.y
+++ b/src/parser.y
@@ -26,7 +26,7 @@ struct lexer_param;
 }
 
 %locations
-%error-verbose
+%define parse.error verbose
 %define api.pure
 %union {
   jv literal;
-- 
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