Index: qmake/generators/unix/unixmake2.cpp
===================================================================
--- qmake/generators/unix/unixmake2.cpp.orig
+++ qmake/generators/unix/unixmake2.cpp
@@ -1276,7 +1276,7 @@ UnixMakefileGenerator::writeLibtoolFile(
     QTextStream t(&ft);
     t << "# " << lname << " - a libtool library file\n";
     t << "# Generated by qmake/libtool (" << qmake_version() << ") (Qt "
-      << QT_VERSION_STR << ") on: " << QDateTime::currentDateTime().toString();
+      << QT_VERSION_STR << ")";
 	t << "\n";
 
     t << "# The name that we can dlopen(3).\n"