[PATCH] gdb/doc: use silent-rules.mk in the Makefile

[Eli Zaretskii]

> From: Andrew Burgess <aburgess@redhat.com>
> Cc: gdb-patches@sourceware.org
> Date: Mon, 15 Apr 2024 14:55:32 +0100
> 
> >   TEXI2POD gdb.pod
> >   POD2MAN1 gdb.1
> 
> That one's harder.  The target information comes from make's $@
> variable, so it's easy enough to do:
> 
>   TEXI2POD gdb.1
>   POD2MAN  gdb.1
> 
> which isn't exactly what you asked for.
> 
> Anyway an updated patch is below.  I've then included the output of
> 'make -C gdb/doc all-doc diststuff' with and without V=1 flag.
> 
> Let me know if this is acceptable or not.

Yes, LGTM, thanks.