2. automatically increase major soname version with every unstable release git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22292 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22135 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21046 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775