From c4eeaeab9e242cc8877e13394b6ea83b70f0f464 Mon Sep 17 00:00:00 2001
From: Guilherme Amadio <amadio@cern.ch>
Date: Wed, 30 Aug 2017 11:38:56 +0200
Subject: [PATCH] Avoid macro redefinition in RConfigure.h

---
 config/RConfigure.in | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/config/RConfigure.in b/config/RConfigure.in
index bd886fbbf87..ee8c0f48233 100644
--- a/config/RConfigure.in
+++ b/config/RConfigure.in
@@ -39,7 +39,9 @@
 #@useimt@ R__USE_IMT   /**/
 
 #if defined(R__HAS_VECCORE) && defined(R__HAS_VC)
+#ifndef VECCORE_ENABLE_VC
 #define VECCORE_ENABLE_VC
 #endif
+#endif
 
 #endif
-- 
GitLab