new failure:
# link tmux/tmux
/usr/src/obj/tooldir.NetBSD-5.99.55-amd64/bin/x86_64--netbsd-gcc
--sysroot=/usr/src/obj/destdir.amd64 -o tmux arguments.o attributes.o
cfg.o client.o clock.o cmd-attach-session.o cmd-bind-key.o cmd-break-
pane.o cmd-capture-pane.o cmd-choose-buffer.o cmd-choose-client.o
cmd-choose-session.o cmd-choose-window.o cmd-clear-history.o cmd-clock-mode.o
cmd-command-prompt.o cmd-confirm-before.o cmd-copy-mode.o cmd-delete
-buffer.o cmd-detach-client.o cmd-display-message.o cmd-display-panes.o
cmd-find-window.o cmd-has-session.o cmd-if-shell.o cmd-join-pane.o
cmd-kill-pane.o cmd-kill-server.o cmd-kill-session.o cmd-kill-window.o cm
d-link-window.o cmd-list-buffers.o cmd-list-clients.o cmd-list-commands.o
cmd-list-keys.o cmd-list-panes.o cmd-list-sessions.o cmd-list-windows.o
cmd-list.o cmd-load-buffer.o cmd-lock-server.o cmd-move-window.o c
md-new-session.o cmd-new-window.o cmd-paste-buffer.o cmd-pipe-pane.o
cmd-refresh-client.o cmd-rename-session.o cmd-rename-window.o cmd-resize-pane.o
cmd-respawn-pane.o cmd-respawn-window.o cmd-rotate-window.o cmd
-run-shell.o cmd-save-buffer.o cmd-select-layout.o cmd-select-pane.o
cmd-select-window.o cmd-send-keys.o cmd-send-prefix.o cmd-server-info.o
cmd-set-buffer.o cmd-set-environment.o cmd-set-option.o cmd-show-buffer
.o cmd-show-environment.o cmd-show-messages.o cmd-show-options.o
cmd-source-file.o cmd-split-window.o cmd-start-server.o cmd-string.o
cmd-suspend-client.o cmd-swap-pane.o cmd-swap-window.o cmd-switch-client.o cmd
-unbind-key.o cmd-unlink-window.o cmd.o colour.o environ.o grid-utf8.o
grid-view.o grid.o input-keys.o input.o job.o key-bindings.o key-string.o
layout-custom.o layout-set.o layout.o log.o mode-key.o names.o opti
ons.o options-table.o osdep-netbsd.o paste.o resize.o screen-redraw.o
screen-write.o screen.o server-client.o server-fn.o server-window.o server.o
session.o signal.o status.o tmux.o tty-acs.o tty-keys.o tty-term.
o tty.o utf8.o window-choose.o window-clock.o window-copy.o window.o xmalloc.o
xterm-keys.o imsg-buffer.o imsg.o strtonum.o -levent -lterminfo -lutil -lm
-Wl,-rpath-link,/usr/src/obj/destdir.amd64/lib -L=/
lib
x86_64--netbsd-gcc: arguments.o: No such file or directory
x86_64--netbsd-gcc: cmd-respawn-pane.o: No such file or directory
x86_64--netbsd-gcc: options-table.o: No such file or directory