[bug #60623] m4/groff.m4: use BuildFoundries.pl to locate URW fonts

[G. Branden Robinson]

URL:
  <https://savannah.gnu.org/bugs/?60623>

                 Summary: m4/groff.m4: use BuildFoundries.pl to locate URW
fonts
                 Project: GNU troff
            Submitted by: gbranden
            Submitted on: Mon 17 May 2021 10:38:54 PM UTC
                Category: None
                Severity: 3 - Normal
              Item Group: Build/Installation
                  Status: None
                 Privacy: Public
             Assigned to: gbranden
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None

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Details:

Reported (and support already written) by Deri James.

Split off from bug #60604.


In commit f61c6ca5b84b488cbd324f2d23285fff1d807f04 a facility to do a dry run
search was added to BuildFoundries.pl, which could be used. See bug #56748.


Relatedly:
* See if this means we no longer need to document Ghostscript as a
prerequisite for PDF output (if we use gs outside of the HTML driver only to
locate the URW fonts in the configure script, then this will be true).
* See if this means we can drop our dependency on awk, simplifying some m4sh
and autoconf shenanigans.




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