Greg A. Woods wrote:

> Besides, the Autoconf folks are the only ones I've ever heard of who've
> tried to take advantage of continued lines in a scenario where portable
> code is necessary and of late they've unfortunately been prone to doing
> this quite often -- the current maintainers seem to have a tendency to
> get blinded by features in the few make programs they commonly use.

I have nothing more to add here; I've always found GNU auto* to be
rather a restraint to portability than an aid.  Of course, that's
also because many people just write autoconf/make/libtool scripts
with unportable assumptions.

--mkb