HEADS UP! Upcoming work in HEAD and other events!

[Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>]

    PREVIEW TAG SLIPPED:

	I have slipped the Preview tag to the latest codebase.  We are about
	to undergo some significant work in HEAD, especially in regards to
	the big giant lock work and the libc rev bump project work.  Joerg 
	is going to be bringing in the Citrus framework very soon.

    BUG FIXES MADE SINCE RELEASE WILL BE MFCd TO THE RELEASE BRANCH TONIGHT

	A number of bug fixes have been made since the release.  These fixes
	will be MFCd to the release branch tonight and the release branch
	will be bumped from 1.2.0 to 1.2.1.

    MAJOR WORK ON HEAD:

	People who continue to use HEAD should be aware that significant new
	work is going in starting today.  

	Joerg is going to start bringing in the citrus framework and working
	on libc revision bump issues.  LIBC MAY BREAK!  LIBC MAY BREAK SEVERAL
	TIMES OVER THE NEXT FEW WEEKS, IN FACT!  There could also be 
	buildworld/installworld issues and other things.

	In addition, I will be doing a great deal if big-giant-lock work.
	The kernel may become unstable.

	I STRONGLY recommend that people who do not want to help test 
	this work stick with the Preview tag or the release tag.  I will

    AS OF NOW, ON HEAD, BUILDWORLD-BASED BOOTSTRAPPING FROM FreeBSD-4.x WILL
    NO LONGER BE SUPPORTED.

	The time has come to break away from our FreeBSD-4.x bootstrapping 
	feature.  That is, to no longer try to make our buildworld operate
	under FreeBSD-4.x for bootstrapping purposes.  It is simply becoming
	too much of a chore to keep adding hacks to the sourcebase to make
	the build work under FreeBSD.

	There will be two ways to upgrade from FreeBSD-4.x:

	* First, build the 1.2.x release on 4.x, install, then upgrade to 
	  Preview (or stick with the release).

	* Second, we will be providing a binary upgrade feature in the 
	  installer, eventually (by the next release).   I would also like
	  to see an 'upgrade' script placed on the ISO that does the same
	  thing in a stand-alone fashion.

    If someone would like to write the script to do an 'upgrade' based on
    a mounted ISO, raise your hands!  The script would have to do the 
    following:

	* copy the 4.x binaries and libraries required to run the commands
	  to a temporary location since the originals will be overwritten.

	* use those binaries to then copy the binaries and libraries and
	  other files from a mounted ISO (aka /cdrom or /mnt) to a target
	  directory (usually /).

	* incorporate the 'make upgrade' target in /usr/src/Makefile
	  and /usr/src/etc/Makefile to handle post-install cleanups.

    The installer will also eventually (by the next release) have an upgrade
    option.

					-Matt
					Matthew Dillon 
					<dillon@xxxxxxxxxxxxx>