non recursive includes proof of concept #2

[Robert Collins]

Well, I finally snuck in a little time to update my proof of concept for
non recursive includes.

Still, I don't code perl - and it shows ;).

How to use?

Grab CVS automake, apply thepatch, drop the test files into tests
subdir.

Have a look at the test cases to see how to use it.

What does it do?

It transforms macros and paths in an included file (called
Makefile.rules for now) , to make them suitable for a non-recursive
build.

As show by the test cases, this allows a couple of neat things:
1) A stub Makefile.am 
===
include \$(srcdir)/Makefile.rules
===
is all that is needed in a given subdirectory to generate a full
makefile. (Useful if you want to be able to cd to a given dir and
perform builds just in that dir).

2) File paths, and canonical macro names are conveniently short - just
what Bob F has been (rightfully IMO) complaining about.

3) You don't end up with a huge Makefile.am to support, rather each part
of the project has a small rules file.

Rob

-- 
GPG key available at: <http://www.robertcollins.net/keys.txt>.

recursive-proof-concept-2.diff
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subdir_include.test
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subdir_include_distcheck.test
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