Re: unoptimized autoconf generated code

[Ralf Wildenhues]

* Eric Blake wrote on Thu, Mar 04, 2010 at 09:36:14PM CET:
> According to Ralf Wildenhues on 3/4/2010 1:23 PM:
> 
> >  So the latter
> > isn't only an optimization, and the former has the potential to break
> > user code; as AS_BOX wasn't documented until now, users would have to
> > reimplement it, possibly using the exact code that the old AS_BOX had.
> > AS_BOX and m4_text_box are not tested in the testsuite BTW.
> 
> m4_text_box is tested if AS_BOX is tested.

Pedantically, no.  You can rename m4_text_box to foo_bar throughout
lib/* and you have an API regression the testsuite won't find.  That's
not quite but almost like the AC_LANG_SOURCE issue.  I really think that
all documented APIs should be tested individually.

Cheers,
Ralf