From 1216df718969c0f856bce9e1adc64bce127eadd9 Mon Sep 17 00:00:00 2001
From: Toby Goodwin <toby@paccrat.org>
Date: Fri, 23 Jun 2017 22:16:23 +0100
Subject: add parse tree dumper with --enable-develop

---
 configure.ac | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index b7b8a7f..23ebf8a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -145,6 +145,19 @@ yes)	AC_CACHE_CHECK(extant directories for default path, rc_cv_def_path,[
 	;;
 esac
 
+
+AC_ARG_ENABLE(develop,
+	[  --enable-develop        Include extra code for developers],[
+	case "$enableval" in
+	yes)
+		rc_develop=true
+		AC_DEFINE([RC_DEVELOP], 1, [Enable developer options]) ;;
+	no)  ;;
+	*)   AC_MSG_ERROR([bad value $enableval for --enable-develop]) ;;
+	esac])
+AM_CONDITIONAL(AMC_DEVELOP, test "$rc_develop" = true)
+
+
 AC_ARG_WITH(history,
 	[  --with-history          Build history subprograms],[
 	case "$withval" in
-- 
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