$NetBSD$
pkgsrc doesn't have lib64 so don't set it.
fixes build on linux.
http://sf.net/p/qore/code/6817/
--- configure.orig	2014-11-01 13:34:33.661609007 +0000
+++ configure
@@ -14267,7 +14267,6 @@ if test "$enable_64bit" = "yes"; then
       *linux*)	if test "$GXX" = "yes"; then
 		   CXXFLAGS="$CXXFLAGS -m64"
 		fi
-		LIBSUFFIX=64
 
 		;;
       *hpux*)	if test "$host_cpu" = "ia64"; then
