-update-alternatives --install /usr/bin/wx-config wx-config /usr/lib/wx/config/gtk2-unicode-release-=V 70
-update-alternatives --install /usr/bin/wx-config wx-config /usr/lib/wx/config/gtk2-unicode-release-=V-static 60
+update-alternatives --install /usr/bin/wx-config wx-config \
+ /usr/lib/wx/config/gtk2-unicode-release-=V \
+ $(( =PRIO * 10 + 8 ))