[PATCH libX11] Add AC_ARG_VAR for GROFF and PS2PDF

[Jeremy Huddleston]

On Oct 20, 2009, at 12:34, Dan Nicholson wrote:
> I'm pretty sure AC_PATH_PROG{,S} already check the environment
> variables. What AC_ARG_VAR does is put a blurb in the --help output
> and allow you to pass it on the command line. E.g., ./configure
> GROFF=/foo/groff. Is that what you want?

Yes.


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