diff -r 510d5bd079ad libs/system/src/error_code.cpp
--- a/libs/system/src/error_code.cpp	Fri Jun 27 15:59:57 2008 -0600
+++ b/libs/system/src/error_code.cpp	Mon Jun 30 18:23:23 2008 -0600
@@ -133,11 +133,13 @@
         sz = 0;
       return msg;
       }
+#ifndef BOOST_NO_EXCEPTIONS
       catch(...)
       {
         if ( sz > sizeof(buf) ) std::free( bp );
         throw;
       }
+#endif
   #  endif
   # endif
   }