Remove the ${sysconfdir}/macports/mp_version file prior to reinstalling MacPorts, as its installation is now deprecated.
--- trunk/base/Makefile.in 2007-12-29 04:43:49 UTC (rev 32394)
+++ trunk/base/Makefile.in 2007-12-29 05:08:23 UTC (rev 32395)
@@ -32,6 +32,7 @@
include Mk/macports.upgrade.mk
install:: upgrade
+ [ ! -f ${sysconfdir}/macports/mp_version ] || rm -vf ${sysconfdir}/macports/mp_version
include Mk/macports.subdir.mk