From ac6b8bccdc39d576c08863436577e01f150de4aa Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Tue, 31 Oct 2023 12:04:58 +0900
Subject: [PATCH] Extract Racc::VERSION from racc/info.rb at extconf.rb

---
 ext/racc/cparse/cparse.c   | 2 +-
 ext/racc/cparse/extconf.rb | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/ext/racc/cparse/cparse.c b/ext/racc/cparse/cparse.c
index ed9cca19..80c72a40 100644
--- a/ext/racc/cparse/cparse.c
+++ b/ext/racc/cparse/cparse.c
@@ -22,7 +22,7 @@
                         Important Constants
 ----------------------------------------------------------------------- */
 
-#define RACC_VERSION "1.7.1"
+#define RACC_VERSION STRINGIZE(RACC_INFO_VERSION)
 
 #define DEFAULT_TOKEN -1
 #define ERROR_TOKEN    1
diff --git a/ext/racc/cparse/extconf.rb b/ext/racc/cparse/extconf.rb
index 6e82d5af..ffec1f9d 100644
--- a/ext/racc/cparse/extconf.rb
+++ b/ext/racc/cparse/extconf.rb
@@ -2,5 +2,7 @@
 #
 
 require 'mkmf'
+require_relative '../../../lib/racc/info'
 
+$defs << "-D""RACC_INFO_VERSION=#{Racc::VERSION}"
 create_makefile 'racc/cparse'