misc/59799: NetBSD-10 build fails on Linux host

[gson%gson.org@localhost (Andreas Gustafsson)]

>Number:         59799
>Category:       misc
>Synopsis:       NetBSD-10 build fails on Linux host
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    misc-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Nov 28 10:20:00 +0000 2025
>Originator:     Andreas Gustafsson
>Release:        NetBSD-10 branch, source date >= 2025.10.19.09.48.29
>Organization:
  
>Environment:
System: NetBSD
Architecture: x86_64
Machine: amd64
>Description:

Building NetBSD-10/amd64 on a Debian 12 host fails since these commits:

  2025.10.19.09.48.29 martin src/bin/pax/options.c 1.119.6.1
  2025.10.19.09.48.29 martin src/tools/compat/compat_defs.h 1.120.4.2
  2025.10.19.09.48.29 martin src/tools/compat/configure.ac 1.99.6.3
  2025.10.19.09.48.29 martin src/tools/compat/Makefile 1.90.2.2
  2025.10.19.09.48.29 martin src/tools/compat/nbtool_config.h.in 1.53.6.3

See logs at:

  https://www.gson.org/netbsd/bugs/build/amd64-10/commits-2025.10.html#2025.10.19.09.48.29

This email thread looks like the same bug:

  https://mail-index.netbsd.org/netbsd-users/2025/11/17/msg033425.html

>How-To-Repeat:

>Fix: