[PATCH libX11] Add AC_ARG_VAR for GROFF and PS2PDF

[Dan Nicholson]

On Tue, Oct 20, 2009 at 12:38 PM, Yaakov (Cygwin/X)
<yselkowitz at users.sourceforge.net> wrote:
> On 20/10/2009 14:34, 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.  The groff shipped in Mac OS < 10.6 is defective, so this is needed
> to tell configure to use a working groff (from Fink, MacPorts, or a
> self-compiled version).

What I'm saying is that AC_PATH_PROGS already respects
GROFF=/foo/groff in the environment. AC_ARG_VAR means you can also
pass that on the command line to configure. Is that necessary or does
the existing support in AC_PATH_PROGS work (please check)?

--
Dan