Index: tclconfig/tcl.m4
===================================================================
RCS file: /cvsroot/tktreectrl/tktreectrl/tclconfig/tcl.m4,v
retrieving revision 1.4
diff -u -p -u -p -r1.4 tcl.m4
--- tclconfig/tcl.m4	25 Mar 2005 20:22:20 -0000	1.4
+++ tclconfig/tcl.m4	4 Jun 2005 10:37:51 -0000
@@ -2092,6 +2092,9 @@ AC_DEFUN(TEA_PATH_X, [
 	    *MAC_OSX_TK*)
 		AC_DEFINE(MAC_OSX_TK)
 		TEA_WINDOWINGSYSTEM="aqua"
+                if test -z "${ac_cv_c_tkh}" -o ! -r "${ac_cv_c_tkh}/X11/Xlib.h"; then
+                    TK_XINCLUDES='-I${TK_SRC_DIR}/xlib'
+                fi
 		;;
 	    *)
 		TEA_PATH_UNIX_X