Re: configure's dependency on pkg-config

[Glenn Morris]

Stephen Berman wrote:

> seems to be at least a doc bug in INSTALL, which should explicitly say
> that pkg-config is required in order for Emacs to use certain libraries

It already says enough IMO

  For some libraries, like Gtk+, fontconfig and ALSA, `configure' uses
  pkg-config to find where those libraries are installed.

> The alternative would be to patch configure (or rather configure.in)
> to allow setting the standard configure time variables to override
> using pkg-config. This seems better to me in principle (though it
> might be judged not to be worth the effort);

It's not worth the effort. Just install pkg-config and move on.

> are there any platforms Emacs runs on that cannot use pkg-config but
> on which Emacs could use libxml2 etc.?

Not to my knowledge.