Support BSD and Caciocavallo

[Andrew John Hughes]

This patch adds support for downloading the BSD and Caciocavallo trees
to IcedTea.
You can choose a project using --with-project and a value of jdk7 (the
default), closures,
cvmi, caciocavallo and bsd to select a tree.  It currently only makes
a difference if you also add --enable-hg; the two are separated so
additional project-specific rules can be added.  I tried building the
caciocavallo and closures trees but the IcedTea patches need some work
to apply cleanly (presumably because these trees are based on older
build drops).

2008-08-30  Andrew John Hughes  <gnu_andrew at member.fsf.org>

	* Makefile.am: Add BSD and Caciocavallo URLs.
	* acinclude.m4:
	(WITH_PROJECT): Added.
	(ENABLE_OTHER_PROJECTS): Converted to WITH_PROJECT.
	* configure.ac: Support building with BSD
	and Caciocavallo projects via --with-project.

Note that jdk7 is now finally at b33, just as b34 comes out...

Bedtime,
-- 
Andrew :-)

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