diff -r -u build/msw/config.gcc build/msw/config.gcc
--- build/msw/config.gcc	2006-12-11 22:50:33.000000000 +0100
+++ build/msw/config.gcc	2007-02-25 19:52:55.000000000 +0100
@@ -77,7 +77,7 @@
 USE_RICHTEXT := 1
 
 # Build OpenGL canvas library (USE_GUI must be 1)? [0,1]
-USE_OPENGL := 0
+USE_OPENGL := 1
 
 # Build ODBC database classes (USE_GUI must be 1)? [0,1]
 USE_ODBC := 0