[Gc] About "Disclaim" patch for BDWGC

[Petter Urkedal]

On 2011-08-09, Ivan Maidanski wrote:
> 1. So, everybody should do "autoreconf -vif" on every checkout (for safety), right? Is there a way to automate it?

That should only be needed on after cloning a repo.  Automake adds a
rule to the Makefile to regenerate as needed.  (Also Git does not encode
time stamps, but resets all changed files after a checkout to the
current time.  Thus dependency tracking should work as expected.)

> 2. Is there a command to wipe the files produced by autoreconf? (to get everything like just after repo cloning)

make maintainer-clean