--- configure.orig	2008-02-15 18:40:57.000000000 -0800
+++ configure	2008-02-15 19:06:13.000000000 -0800
@@ -276,6 +276,8 @@
         echo "QTDIR is set to $QTDIR, but library directory $QTDIR/lib does not exist!"
         exit 2
       fi
+    fi
+    if test -d "$QTDIR/lib64"; then
       LIBDIR=lib64
     fi
     if test ! -d "$QTDIR/include"; then