diff -Nru PyQt-x11-gpl-4.9.4/configure.py PyQt-x11-gpl-4.9.4.buono/configure.py
--- PyQt-x11-gpl-4.9.4/configure.py	2012-09-26 10:57:20.302056510 +0000
+++ PyQt-x11-gpl-4.9.4.buono/configure.py	2012-09-26 10:56:12.418802710 +0000
@@ -966,6 +966,7 @@
             else:
                 # Use distutils to get the additional configuration.
                 from distutils.sysconfig import get_config_vars
+                from distutils.sysconfig import get_python_lib
                 ducfg = get_config_vars()
 
                 config_args = ducfg.get("CONFIG_ARGS", "")
@@ -980,16 +981,7 @@
                     dynamic_pylib = "--enable-shared" in config_args
 
                 if dynamic_pylib:
-                    if glob.glob("%s/lib/libpython%d.%d*" % (ducfg["exec_prefix"], py_major, py_minor)):
-                        lib_dir_flag = quote("-L%s/lib" % ducfg["exec_prefix"])
-                    elif glob.glob("%s/libpython%d.%d*" % (ducfg["LIBDIR"], py_major, py_minor)):
-                        lib_dir_flag = quote("-L%s" % ducfg["LIBDIR"])
-                    else:
-                        sipconfig.inform("Qt Designer plugin disabled because Python library couldn't be found")
-                        lib_dir_flag = ''
-                        opts.designer_plugin = False
-
-                    link = "%s -lpython%d.%d%s" % (lib_dir_flag, py_major, py_minor, abi)
+                    link = "-L%s -lpython%d.%d" % (get_python_lib(plat_specific=1, standard_lib=1), py_major, py_minor)
                 else:
                     sipconfig.inform("Qt Designer plugin disabled because Python library is static")
                     opts.designer_plugin = False