xpipeman build fails

[Paul Goyette <paul%whooppee.com@localhost>]

on a very current NetBSD 11.99.3

...
===> Configuring for xpipeman-1.5nb6
imake -DUseInstalled -I/usr/pkg/lib/X11/config
imake: executing: /usr/pkg/bin/tradcpp -I. -D__amd64__ -D__amd64__ -traditional -debuglog .imake.cpplog -D__amd64__ -DUseInstalled -I/usr/pkg/lib/X11/config .imake.start.c
make Makefiles
make includes
make depend
rm -f .depend

makedepend -f-  -- -I. -I./lib/Xt  -I/usr/pkg/include    -DCSRG_BASED  -DFUNCPROTO=15 -DNARROWPROTO   -DSCORE_FILE=\"/var/games/xpipescores\" -DMAXSCORES=20  -DUSE_MAKEDEPEND -- actions.c game.c graphics.c main.c score.c popup.c info.c > .depend
makedepend: warning:  actions.c, line 38: cannot find include file "X11/X.h"
        not in ./X11/X.h
        not in ./lib/Xt/X11/X.h
        not in /usr/pkg/include/X11/X.h
        not in /usr/include/X11/X.h
makedepend: warning:  actions.c, line 39: cannot find include file "X11/Intrinsic.h"
        not in ./X11/Intrinsic.h
        not in ./lib/Xt/X11/Intrinsic.h
        not in /usr/pkg/include/X11/Intrinsic.h
        not in /usr/include/X11/Intrinsic.h
makedepend: warning:  actions.c, line 40: cannot find include file "X11/StringDefs.h"
        not in ./X11/StringDefs.h
        not in ./lib/Xt/X11/StringDefs.h
        not in /usr/pkg/include/X11/StringDefs.h
        not in /usr/include/X11/StringDefs.h
makedepend: warning:  game.c, line 37: cannot find include file "X11/Intrinsic."
        not in ./X11/Intrinsic.h
        not in ./lib/Xt/X11/Intrinsic.h
        not in /usr/pkg/include/X11/Intrinsic.h
        not in /usr/include/X11/Intrinsic.h
makedepend: warning:  graphics.c, line 37: cannot find include file "X11/X.h"
        not in ./X11/X.h
        not in ./lib/Xt/X11/X.h
        not in /usr/pkg/include/X11/X.h
        not in /usr/include/X11/X.h
...
===> Building for xpipeman-1.5nb6
--- actions.o ---
--- game.o ---
--- graphics.o ---
--- main.o ---
--- score.o ---
--- popup.o ---
--- info.o ---
--- xpipeman._man ---
--- actions.o ---
...
--- info.o ---
info.c: In function 'create_info_popup':
info.c:247:42: error: passing argument 3 of 'XtAddCallback' from incompatible pointer type [-Wincompatible-pointer-types]
  247 |   XtAddCallback(info_popdown,XtNcallback,info_popdown_callback,0);
      |                                          ^~~~~~~~~~~~~~~~~~~~~
      |                                          |
      |                                          void (* (*)())(struct _WidgetRec *, void *, void *)
...



+---------------------+--------------------------+----------------------+
| Paul Goyette (.sig) | PGP Key fingerprint:     | E-mail addresses:    |
| (Retired)           | 1B11 1849 721C 56C8 F63A | paul%whooppee.com@localhost    |
| Software Developer  | 6E2E 05FD 15CE 9F2D 5102 | pgoyette%netbsd.org@localhost  |
| & Network Engineer  |                          | pgoyette99%gmail.com@localhost |
+---------------------+--------------------------+----------------------+