toolchain/59817: Port or1k does not build

[jkoshy%netbsd.org@localhost]

>Number:         59817
>Category:       toolchain
>Synopsis:       Port or1k does not build
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    toolchain-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Dec 04 19:05:00 +0000 2025
>Originator:     Joseph Koshy
>Release:        NetBSD 10.99.4
>Organization:
	The NetBSD Project
>Environment:
>Description:
	The OR1K tools build fails with:

	% ./build.sh -U -u -m or1k tools
	<...>
	nbgmake[1]: *** No rule to make target `/usr/src/tools/gcc/../../external/gpl3/gcc.old/dist/gcc/config/or1k/or1k.md', needed by `s-mddeps'.  Stop.
	<...>
	nbgmake: *** [all-gcc] Error 2

>How-To-Repeat:
	% cd /usr/src
	% ./build.sh -U -u -m or1k tools
>Fix: