From d183c7e68eb5b191fcc9d52eaeb86ce1211ba9f7 Mon Sep 17 00:00:00 2001
From: Morgan Deters <mdeters@gmail.com>
Date: Wed, 2 Nov 2011 13:05:11 +0000
Subject: [PATCH] give an option error if the user specifies --proof in a
 non-proof-enabled build

---
 src/util/options.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/util/options.cpp b/src/util/options.cpp
index 3e877c541..3b7b7b08c 100644
--- a/src/util/options.cpp
+++ b/src/util/options.cpp
@@ -638,7 +638,11 @@ throw(OptionException) {
       break;
       
     case PROOF:
+#ifdef CVC4_PROOF
       proof = true;
+#else /* CVC4_PROOF */
+      throw OptionException("This is not a proof-enabled build of CVC4; --proof cannot be used");
+#endif /* CVC4_PROOF */
       break;
       
     case NO_TYPE_CHECKING:
-- 
2.30.2