--- pd-0.41-4/src/configure.in	2008-03-14 17:03:00.000000000 -0700

+++ pd-0.41-4/src/configure.in.new	2008-12-03 11:56:04.000000000 -0800

@@ -148,6 +148,7 @@

 #    exit -1

 fi

+AC_CHECK_LIB(tcl8.6, main,,

 AC_CHECK_LIB(tcl85, main,,

         AC_CHECK_LIB(tcl8.5, main,,

         AC_CHECK_LIB(tcl84, main,,

@@ -155,8 +156,9 @@

                 AC_CHECK_LIB(tcl8.3, main,,

                     AC_CHECK_LIB(tcl8.2, main,,

                                     AC_CHECK_LIB(tcl8.0, main,,

-                            echo no tcl library found; exit 1)))))))

+                            echo no tcl library found; exit 1))))))))

+AC_CHECK_LIB(tk8.6, main,,

 AC_CHECK_LIB(tk85, main,,

         AC_CHECK_LIB(tk8.5, main,,

        AC_CHECK_LIB(tk84, main,,

@@ -164,7 +166,7 @@

                 AC_CHECK_LIB(tk8.3, main,,

                     AC_CHECK_LIB(tk8.2, main,,

                                     AC_CHECK_LIB(tk8.0, main,,

-                            echo no tk library found; exit 1)))))))

+                            echo no tk library found; exit 1))))))))

 if test x$tk != "xno"; then

--- pd-0.41-4/src/t_tkcmd.c	2008-03-14 17:03:00.000000000 -0700

+++ pd-0.41-4/src/t_tkcmd.c.new	2008-12-03 12:19:52.000000000 -0800

@@ -2,6 +2,8 @@

 * For information on usage and redistribution, and for a DISCLAIMER OF ALL

 * WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */

+#define USE_INTERP_RESULT

+

 #ifndef MSW     /* in unix this only works first; in MSW it only works last. */

 #include "tk.h"

 #endif

@@ -541,7 +543,7 @@

     result = Tcl_Eval(tk_pdinterp,  s);

     if (result != TCL_OK)

     {

-        if (*tk_pdinterp->result) printf("%s\n",  tk_pdinterp->result);

+        if (*Tcl_GetStringResult(tk_pdinterp)) printf("%s\n",  Tcl_GetStringResult(tk_pdinterp));

     }

 }