Re: subdirs.am and $(RECURSIVE_TARGETS)

[Tom Tromey]

Akim> Not only to I find this more pleasant, but most importantly it's
Akim> a win for Automake (we can have more modular *.am files which
Akim> register their own recursive targets), and it's a win for users
Akim> who can += on RECURSIVE_TARGETS.

>> In the not-too-distant past, you couldn't `+=' an
>> internally-defined variable.

And you still can't -- I forgot.

I've thought about this more and I'd rather we not use a variable for
internal targets.  If we want a variable for the user then that is
fine.

Derek>     RECURSIVE_TARGETS += mytarget

For this to be really nice I think we'd have to automatically add
`mytarget-recursive' and `mytarget' to any Makefile.am beneath the
defining Makefile.am.

However, this turns out to be hard because we won't know about it when
building a single Makefile.in.


One approach would be to require recursive targets to be defined in
configure.in.  But that is pretty heavy.

Tom