Source
--- unix/tixUnixXpm.c.orig 2006-11-15 14:18:36.000000000 -0800
+++ unix/tixUnixXpm.c 2018-11-07 05:35:43.000000000 -0800
#include <tixPort.h>
#include <tixUnixInt.h>
#include <tixImgXpm.h>
+#ifndef MAC_OSX_TK
#include <X11/Xutil.h>
+#else
+#include <X11_tk/Xutil.h>
+#endif
#if !defined(WIN32) && !defined(MAC_OSX_TK)
#define TkPutImage(colors, ncolors, display, pixels, gc, image, destx, desty, srcx, srcy, width, height) \
--- generic/tixPort.h.orig 2005-03-25 14:15:53.000000000 -0600
+++ generic/tixPort.h 2018-11-16 02:49:09.000000000 -0600
# include "tixMacPort.h"
# else
# if defined(MAC_OSX_TK)
-# include <X11/X.h>
+# include <X11_tk/X.h>
# define Cursor XCursor
# define Region XRegion
# include "../unix/tixUnixPort.h"