Re: Selecting Papersize

[G. Branden Robinson]

Hi Damian,

At 2023-07-09T13:56:13+1000, Damian McGuckin wrote:
> So, when I build groff 1.23.0, I should make sure that PAGE is set to
> A4.

That should certainly work, but it shouldn't be _necessary_ if you do
the build in an environment where an /etc/resolv.conf file reveals the
Internet domain name you're using.  Our configuration script attempts to
infer the correct default paper format on the assumption that ISO A4 is
the right choice _almost_ everywhere in the world.

https://git.savannah.gnu.org/cgit/groff.git/tree/m4/groff.m4?h=1.23.0#n1011

> The big question is whether I really need to pass '-P-pa4' to groff so
> that it can hand it off to the postprocessor., say grops/gropdf. Or
> can the postprocessor get the information it needs from its input?

The device descriptions for troff-mode (i.e., typesetting) devices are
generated at build time using the configured `PAGE` default.

$ find -name DESC.in
./src/devices/xditview/DESC.in
./font/devdvi/DESC.in
./font/devlbp/DESC.in
./font/devps/DESC.in
./font/devlj4/DESC.in
./font/devpdf/DESC.in

For example...

https://git.savannah.gnu.org/cgit/groff.git/tree/font/devps/devps.am?h=1.23.0#n142

So, the answer to your big question _should_ be, "no", and if it isn't,
either your /etc/resolv.conf has something funny in it, or our
autodetection logic could use some more work.  Let us know!

Regards,
Branden

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