--- src/kadmin/testing/util/tcl_kadm5.c.orig	2013-11-22 16:22:36.690361910 +0700
+++ src/kadmin/testing/util/tcl_kadm5.c	2013-11-22 16:44:15.022203082 +0700
@@ -801,7 +801,7 @@
         return retcode;
     }
     if (argc != num_keysalts) {
-        sprintf(interp->result, "%d keysalts specified, "
+        sprintf(Tcl_GetErrorLine(interp), "%d keysalts specified, "
                 "but num_keysalts is %d", argc, num_keysalts);
         retcode = TCL_ERROR;
         goto finished;
@@ -814,7 +814,7 @@
             goto finished;
         }
         if (argc1 != 2) {
-            sprintf(interp->result, "wrong # fields in keysalt "
+            sprintf(Tcl_GetErrorLine(interp), "wrong # fields in keysalt "
                     "(%d should be 2)", argc1);
             retcode = TCL_ERROR;
             goto finished;
@@ -856,7 +856,7 @@
     *key_data = NULL;
     if (list == NULL) {
         if (n_key_data != 0) {
-            sprintf(interp->result, "0 key_datas specified, "
+            sprintf(Tcl_GetErrorLine(interp), "0 key_datas specified, "
                     "but n_key_data is %d", n_key_data);
             retcode = TCL_ERROR;
             goto finished;
@@ -868,14 +868,14 @@
         return retcode;
     }
     if (argc != n_key_data) {
-        sprintf(interp->result, "%d key_datas specified, "
+        sprintf(Tcl_GetErrorLine(interp), "%d key_datas specified, "
                 "but n_key_data is %d", argc, n_key_data);
         retcode = TCL_ERROR;
         goto finished;
     }

     if (argc != 0) {
-        sprintf(interp->result, "cannot parse key_data yet");
+        sprintf(Tcl_GetErrorLine(interp), "cannot parse key_data yet");
         retcode = TCL_ERROR;
         goto finished;
     }
@@ -896,7 +896,7 @@
     *tlp = NULL;
     if (list == NULL) {
         if (n_tl_data != 0) {
-            sprintf(interp->result, "0 tl_datas specified, "
+            sprintf(Tcl_GetErrorLine(interp), "0 tl_datas specified, "
                     "but n_tl_data is %d", n_tl_data);
             retcode = TCL_ERROR;
             goto finished;
@@ -908,7 +908,7 @@
         return retcode;
     }
     if (argc != n_tl_data) {
-        sprintf(interp->result, "%d tl_datas specified, "
+        sprintf(Tcl_GetErrorLine(interp), "%d tl_datas specified, "
                 "but n_tl_data is %d", argc, n_tl_data);
         retcode = TCL_ERROR;
         goto finished;
@@ -929,7 +929,7 @@
             goto finished;
         }
         if (argc1 != 3) {
-            sprintf(interp->result, "wrong # fields in tl_data "
+            sprintf(Tcl_GetErrorLine(interp), "wrong # fields in tl_data "
                     "(%d should be 3)", argc1);
             retcode = TCL_ERROR;
             goto finished;
@@ -949,7 +949,7 @@
         }
         tl->tl_data_length = tmp;
         if (tl->tl_data_length != strlen(argv1[2])) {
-            sprintf(interp->result, "specified length %d does not "
+            sprintf(Tcl_GetErrorLine(interp), "specified length %d does not "
                     "match length %lu of string \"%s\"", tmp,
                     (unsigned long) strlen(argv1[2]), argv1[2]);
             retcode = TCL_ERROR;
@@ -962,7 +962,7 @@
         tl = tl->tl_data_next;
     }
     if (tl != NULL) {
-        sprintf(interp->result, "tl is not NULL!");
+        sprintf(Tcl_GetErrorLine(interp), "tl is not NULL!");
         retcode = TCL_ERROR;
         goto finished;
     }
@@ -992,7 +992,7 @@
     }

     if (argc != 20) {
-        sprintf(interp->result,
+        sprintf(Tcl_GetErrorLine(interp),
                 "wrong # args in config params structure (%d should be 20)",
                 argc);
         retcode = TCL_ERROR;
@@ -1129,7 +1129,7 @@
     }

     if (argc != 12 && argc != 20) {
-        sprintf(interp->result,
+        sprintf(Tcl_GetErrorLine(interp),
                 "wrong # args in principal structure (%d should be 12 or 20)",
                 argc);
         retcode = TCL_ERROR;
@@ -1391,7 +1391,7 @@
     }

     if (argc != 7 && argc != 10) {
-        sprintf(interp->result, "wrong # args in policy structure (%d should be 7 or 10)",
+        sprintf(Tcl_GetErrorLine(interp), "wrong # args in policy structure (%d should be 7 or 10)",
                 argc);
         retcode = TCL_ERROR;
         goto finished;
--- src/kadmin/testing/util/tcl_kadm5.h.orig	2013-11-22 16:33:21.532338510 +0700
+++ src/kadmin/testing/util/tcl_kadm5.h	2013-11-22 16:33:35.462212999 +0700
@@ -1,3 +1,12 @@
 /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */

 void Tcl_kadm5_init(Tcl_Interp *interp);
+
+/*
+ * Beginning with 8.6, interp->errorLine isn't public visible anymore
+ * (TIP 330)
+*/
+
+#if (TCL_MAJOR_VERSION == 8) && (TCL_MINOR_VERSION < 6)
+# define Tcl_GetErrorLine(interp) (interp)->errorLine
+#endif
\ No newline at end of file