From 523ccebf7f8f7009279daad87cce185972535e07 Mon Sep 17 00:00:00 2001
From: nuno-lopes <nuno-lopes@642ea486-5414-0410-9d7f-a0204ed87703>
Date: Sun, 24 Feb 2008 17:31:15 +0000
Subject: [PATCH] disallow -d and -D flags at the same time

---
 re2c/main.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/re2c/main.cc b/re2c/main.cc
index 0833f4b1..2f78081f 100644
--- a/re2c/main.cc
+++ b/re2c/main.cc
@@ -350,6 +350,12 @@ int main(int argc, char *argv[])
 		return 2;
 	}
 
+	if (dFlag && DFlag)
+	{
+		std::cerr << "re2c: error: Cannot combine -d with -D switch\n";
+		return 2;
+	}
+
 	if (uFlag)
 	{
 		wFlag = true;
-- 
2.40.0