--- configure.py	2009-06-16 10:37:38.000000000 +0200
+++ configure.py.new	2009-07-04 04:47:49.000000000 +0200
@@ -43,6 +43,7 @@
 
 qt_version = 0
 qt_edition = ""
+qt_licensee = None
 qt_dir = None
 qt_incdir = None
 qt_libdir = None
@@ -909,6 +910,9 @@
 
     sipconfig.inform("Qt v%s %sis being used." % (sipconfig.version_to_string(qt_version), edstr))
 
+    if qt_licensee:
+        sipconfig.inform("Qt is licensed to %s." % qt_licensee)
+
     if sys.platform == "darwin" and qt_framework:
         sipconfig.inform("Qt is built as a framework.")
 
@@ -1465,9 +1469,8 @@
     sipconfig.inform("This is the %s version of PyQt %s (licensed under the %s) for Python %s on %s." % (ltype, pyqt_version_str, lname, sys.version.split()[0], sys.platform))
 
     # Common checks.
-    if qt_edition and ltype != "internal":
-        if qt_edition != "free" and ltype == "GPL":
-            sipconfig.error("This version of PyQt and the %s edition of Qt have incompatible licenses." % qt_edition)
+    if qt_licensee and ltype == "GPL":
+        sipconfig.error("This version of PyQt and the commercial version of Qt have incompatible licenses.")
 
     # Confirm the license if not already done.
     if not opts.license_confirmed:
@@ -1675,6 +1678,8 @@
     out << QT_VERSION << '\\n';
     out << QT_EDITION << '\\n';
 
+    out << QLibraryInfo::licensee() << '\\n';
+
 #if defined(QT_SHARED) || defined(QT_DLL)
     out << "shared\\n";
 #else
@@ -1761,7 +1766,7 @@
     f.close()
 
     global qt_dir, qt_incdir, qt_libdir, qt_bindir, qt_datadir, qt_pluginsdir
-    global qt_version, qt_edition, qt_shared, qt_xfeatures
+    global qt_version, qt_edition, qt_licensee, qt_shared, qt_xfeatures
 
     qt_dir = lines[0]
     qt_incdir = lines[1]
@@ -1771,8 +1776,12 @@
     qt_pluginsdir = lines[5]
     qt_version = lines[6]
     qt_edition = lines[7]
-    qt_shared = "y"
-    qt_xfeatures = lines[9:]
+    qt_licensee = lines[8]
+    qt_shared = "y"
+    qt_xfeatures = lines[10:]
+
+    if qt_licensee == 'Open Source':
+        qt_licensee = None
 
     try:
         qt_version = int(qt_version)
@@ -1789,6 +1798,10 @@
     if qt_edition & 0x200:
         # It has ActiveQt.
         qt_edition = "Desktop"
+
+        # ActiveQt became part of the open source version in v4.5.2.
+        if qt_version >= 0x040502 and qt_licensee is None:
+            qt_edition = "free"
     elif qt_edition & 0x008:
         # It has OpenGL.
         qt_edition = "free"