--- shared_ptr.hpp-orig	2007-09-14 10:21:41.000000000 -0500
+++ shared_ptr.hpp	2007-09-14 10:19:54.000000000 -0500
@@ -383,7 +383,8 @@
 
     // implicit conversion to "bool"
 
-#if defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, <= 0x530)
+#if (defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, <= 0x530)) || \
+    defined(__CINT__)
 
     operator bool () const
     {