From f6a5cbb972a25f5f18dccf2ba6cd200db32282de Mon Sep 17 00:00:00 2001
From: Marcelo Matus <mmatus@acms.arizona.edu>
Date: Fri, 6 Jan 2006 18:00:50 +0000
Subject: [PATCH] allow to predefine %begin_block,%end_block

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@8260 626c5289-ae23-0410-ae9c-e8d60b6d4f22
---
 SWIG/Lib/typemaps/swigmacros.swg | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/SWIG/Lib/typemaps/swigmacros.swg b/SWIG/Lib/typemaps/swigmacros.swg
index 345878bc2..9803f79c4 100644
--- a/SWIG/Lib/typemaps/swigmacros.swg
+++ b/SWIG/Lib/typemaps/swigmacros.swg
@@ -89,8 +89,12 @@
 
 #define %arg(Arg...)        Arg
 #define %str(Arg)           `Arg`
-#define %begin_block        do {
-#define %end_block          } while(0)
+#ifndef %begin_block
+#  define %begin_block      do {
+#endif
+#ifndef %end_block
+#  define %end_block        } while(0)
+#endif
 #define %block(Block...)    %begin_block Block; %end_block
 
 /* define a new macro */