problems building on NetBSD

I'm updating my NetBSD package to 0.8.1, and have so far run into the
following issues:

1) mb-applet-menu-launcher uses SIGRTMIN where it doesn't need to.

This signal is related to DNOTIFY, but not all uses are protected by
ifdef, and one of the uses is totally pointless (button_callback()
builds a sigset_t with that signal set, but never uses it!)

--- matchbox-panel-0.8.1/applets/mb-applet-menu-launcher.c.orig	2004-04-09 10:54:14.000000000 -0400
+++ matchbox-panel-0.8.1/applets/mb-applet-menu-launcher.c	2004-04-09 11:15:22.000000000 -0400
@@ -709,18 +709,13 @@
 button_callback (MBTrayApp *app, int x, int y, Bool is_released )
 {
   int abs_x, abs_y;
-  sigset_t block_sigset;
   static Bool next_cancels;
 
   app_data->button_is_down = True;
   if (is_released) app_data->button_is_down = False;
 
-  sigemptyset(&block_sigset);
-  sigaddset(&block_sigset, SIGRTMIN);
-
   if (is_released && !next_cancels)
     {
-      sigaddset(&block_sigset, SIGRTMIN);
       menu_get_popup_pos (app, &abs_x, &abs_y);
       mb_menu_activate (app_data->mbmenu, abs_x, abs_y);
 
@@ -816,18 +811,24 @@
       if (ev->xclient.message_type == app_data->mbcommand_atom
 	  && ev->xclient.data.l[0] == MB_CMD_SHOW_EXT_MENU )
 	{
+#ifdef USE_DNOTIFY
 	  sigemptyset(&block_sigset);
 	  sigaddset(&block_sigset, SIGRTMIN);
+#endif
 
 	  if (!mb_menu_is_active(app_data->mbmenu)) 
 	    {
 	      int abs_x, abs_y;
+#ifdef USE_DNOTIFY
 	      sigprocmask(SIG_BLOCK, &block_sigset, NULL); 
+#endif
 	      menu_get_popup_pos (app, &abs_x, &abs_y);
 	      mb_menu_activate(app_data->mbmenu, abs_x, abs_y);
 	    } else {
 	      mb_menu_deactivate(app_data->mbmenu);
+#ifdef USE_DNOTIFY
 	      sigprocmask(SIG_UNBLOCK, &block_sigset, NULL); 
+#endif
 	    }
 	}
     }


2) mb-applet-wireless is linux-specific. There should be a way to
   disable it, or configure should do so automatically.

3) matchbox-desktop's makefile unconditionally uses -ldl, which isn't
   appropriate everywhere

4) matchbox-window-manager/data/schemas/Makefile doesn't support
   install-data-local, but the makefile in the parent directory calls it
   with that (not sure why everyone doesn't see this problem? maybe because
   of not using gconf?)