libxputty/xputty/header/xwidget-platform.h:84:1: error: unknown type name 'Display'

[yurivict]

Build fails:

c++: warning: optimization flag '-fstrength-reduce' is not supported [-Wignored-optimization-argument]
c++: warning: optimization flag '-fschedule-insns' is not supported [-Wignored-optimization-argument]
In file included from MidiKeyBoard.cpp:22:
In file included from ./MidiKeyBoard.h:55:
In file included from /usr/ports/audio/mamba/work/Mamba-2.6/libxputty/xputty/header/xwidgets.h:40:
In file included from /usr/ports/audio/mamba/work/Mamba-2.6/libxputty/xputty/header/widgets/xbutton.h:26:
In file included from /usr/ports/audio/mamba/work/Mamba-2.6/libxputty/xputty/header/xputty.h:200:
In file included from /usr/ports/audio/mamba/work/Mamba-2.6/libxputty/xputty/header/xwidget.h:34:
/usr/ports/audio/mamba/work/Mamba-2.6/libxputty/xputty/header/xwidget-platform.h:84:1: error: unknown type name 'Display'
   84 | Display *os_open_display(char *display_name);
      | ^
/usr/ports/audio/mamba/work/Mamba-2.6/libxputty/xputty/header/xwidget-platform.h:91:23: error: unknown type name 'Display'
   91 | void os_close_display(Display *dpy);
      |                       ^
/usr/ports/audio/mamba/work/Mamba-2.6/libxputty/xputty/header/xwidget-platform.h:101:1: error: unknown type name 'Window'
  101 | Window os_get_root_window(Xputty *main, int flag);
      | ^
/usr/ports/audio/mamba/work/Mamba-2.6/libxputty/xputty/header/xwidget-platform.h:119:39: error: unknown type name 'Window'
  119 | void os_translate_coords(Widget_t *w, Window from_window, Window to_window,
      |                                       ^
/usr/ports/audio/mamba/work/Mamba-2.6/libxputty/xputty/header/xwidget-platform.h:119:59: error: unknown type name 'Window'
  119 | void os_translate_coords(Widget_t *w, Window from_window, Window to_window,
      |                                                           ^
/usr/ports/audio/mamba/work/Mamba-2.6/libxputty/xputty/header/xwidget-platform.h:147:21: error: unknown type name 'Display'
  147 | void os_move_window(Display *dpy, Widget_t *w, int x, int y);
      |                     ^
/usr/ports/audio/mamba/work/Mamba-2.6/libxputty/xputty/header/xwidget-platform.h:156:23: error: unknown type name 'Display'

Version: 2.6 FreeBSD 14.0