Descriptiom: Patch makes explicit casts to silence GCC warnings about
    incompatible pointer types (mostly adds or removes const modifier).
Author: Sergei Golovan
Last-Modified: Wed, 09 Jul 2014 19:22:39 +0400

--- a/generic/bltArrayObj.c
+++ b/generic/bltArrayObj.c
@@ -55,7 +55,7 @@
     Blt_HashEntry *hPtr;
     Blt_HashTable *tablePtr;
     Tcl_Obj *elemObjPtr, **vobjv;
-    Tcl_ObjType *oldTypePtr;
+    CONST Tcl_ObjType *oldTypePtr;
     char *string;
     int isNew;
     int nElem;
--- a/generic/bltBgexec.c
+++ b/generic/bltBgexec.c
@@ -926,7 +926,7 @@
         Tcl_DStringInit(&dStr);
         GetSinkData(sinkPtr, &data, &length);
         Tcl_DStringAppend(&dStr, sinkPtr->command, -1);
-        Tcl_DStringAppendElement(&dStr, data);
+        Tcl_DStringAppendElement(&dStr, (char *)data);
         Tcl_DStringAppendElement(&dStr, status);
         if (Tcl_GlobalEval(interp, Tcl_DStringValue(&dStr)) != TCL_OK) {
             Tcl_BackgroundError(interp);
--- a/generic/bltTree.c
+++ b/generic/bltTree.c
@@ -47,7 +47,7 @@
    if (dictType == NULL) {
         Tcl_Obj * obj;
         obj = Tcl_NewDictObj();
-        dictType = obj->typePtr;
+        dictType = (Tcl_ObjType *)obj->typePtr;
         Tcl_DecrRefCount(obj);
    }
    return (objPtr->typePtr == dictType);
@@ -3320,7 +3320,7 @@
         if (tPtr->nodeTable.numEntries > 0) {
             flags |= TREE_TRACE_TAGMULTIPLE;
         }
-        result = CallTraces(interp, clientPtr, node->treeObject, node, tagName, 
+        result = CallTraces(interp, clientPtr, node->treeObject, node, (Blt_TreeKey)tagName, 
             flags, &cnt);
         if (result == TCL_BREAK) {
             return TCL_OK;
@@ -3349,7 +3349,7 @@
     int cnt;
     
     if (!(node->flags & TREE_TRACE_ACTIVE)) {
-        return CallTraces(interp, clientPtr, node->treeObject, node, tagName, 
+        return CallTraces(interp, clientPtr, node->treeObject, node, (Blt_TreeKey)tagName, 
             (TREE_TRACE_TAGDELETE), &cnt);
     }
     return TCL_OK;
--- a/generic/bltTreeCmd.c
+++ b/generic/bltTreeCmd.c
@@ -7733,7 +7733,7 @@
 	return TCL_ERROR;
     }
     if (valueObjPtr->typePtr != NULL) {
-	Tcl_SetResult(interp, valueObjPtr->typePtr->name, TCL_VOLATILE);
+	Tcl_SetResult(interp, (char *)(valueObjPtr->typePtr->name), TCL_VOLATILE);
     } else {
 	Tcl_SetResult(interp, "string", TCL_STATIC);
     }
--- a/generic/bltVector.c
+++ b/generic/bltVector.c
@@ -370,7 +370,7 @@
     *indexPtr = (int)value;
 cleanup:
     if (string != zStatic) {
-        Blt_Free( string );
+        Blt_Free( (void *)string );
     }
     return result;
 }
--- a/generic/bltGrAxis.c
+++ b/generic/bltGrAxis.c
@@ -3436,7 +3436,7 @@
     Graph *graphPtr;
     Axis *axisPtr;
     int argc;
-    char *argv[];
+    CONST char *argv[];
 {
     int flags;
 
--- a/generic/bltGrElem.c
+++ b/generic/bltGrElem.c
@@ -1658,7 +1658,7 @@
     Graph *graphPtr;		/* Graph widget */
     Tcl_Interp *interp;		/* Interpreter to report results to */
     int argc;			/* Number of element names */
-    char **argv;		/* List of element names */
+    CONST char **argv;		/* List of element names */
 {
     Element *elemPtr;
     ClosestSearch search;
@@ -1821,12 +1821,12 @@
     Graph *graphPtr;
     Tcl_Interp *interp;
     int argc;
-    char *argv[];
+    CONST char *argv[];
 {
     Element *elemPtr;
     int flags;
     int numNames, numOpts;
-    char **options;
+    CONST char **options;
     register int i;
 
     /* Figure out where the option value pairs begin */
--- a/generic/bltGrGrid.c
+++ b/generic/bltGrGrid.c
@@ -355,7 +355,7 @@
     Graph *graphPtr;
     Tcl_Interp *interp;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     Grid *gridPtr = (Grid *)graphPtr->gridPtr;
     int flags;
--- a/generic/bltGrHairs.c
+++ b/generic/bltGrHairs.c
@@ -379,7 +379,7 @@
     Graph *graphPtr;
     Tcl_Interp *interp;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     Crosshairs *chPtr = graphPtr->crosshairs;
 
--- a/generic/bltGrLegd.c
+++ b/generic/bltGrLegd.c
@@ -1393,7 +1393,7 @@
     Graph *graphPtr;
     Tcl_Interp *interp;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     int flags = TK_CONFIG_ARGV_ONLY;
     Legend *legendPtr;
--- a/generic/bltGrMarker.c
+++ b/generic/bltGrMarker.c
@@ -4274,13 +4274,13 @@
     Graph *graphPtr;
     Tcl_Interp *interp;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     Marker *markerPtr;
     int flags = TK_CONFIG_ARGV_ONLY;
     char *oldName;
     int nNames, nOpts;
-    char **options;
+    CONST char **options;
     register int i;
     int under;
 
--- a/generic/bltGrPen.c
+++ b/generic/bltGrPen.c
@@ -475,13 +475,13 @@
     Tcl_Interp *interp;
     Graph *graphPtr;
     int argc;
-    char *argv[];
+    CONST char *argv[];
 {
     int flags;
     Pen *penPtr;
     int nNames, nOpts;
     int redraw;
-    char **options;
+    CONST char **options;
     register int i;
 
     /* Figure out where the option value pairs begin */
--- a/generic/bltGrPs.c
+++ b/generic/bltGrPs.c
@@ -406,7 +406,7 @@
     Graph *graphPtr;
     Tcl_Interp *interp;
     int argc;			/* Number of options in argv vector */
-    char **argv;		/* Option vector */
+    CONST char **argv;		/* Option vector */
 {
     int flags = TK_CONFIG_ARGV_ONLY;
     PostScript *psPtr = (PostScript *)graphPtr->postscript;
@@ -1110,7 +1110,7 @@
     Graph *graphPtr;		/* Graph widget record */
     Tcl_Interp *interp;
     int argc;			/* Number of options in argv vector */
-    char **argv;		/* Option vector */
+    CONST char **argv;		/* Option vector */
 {
     PostScript *psPtr = (PostScript *)graphPtr->postscript;
     FILE *f = NULL;
@@ -1121,7 +1121,7 @@
     fileName = NULL;
     if (argc > 3) {
 	if (argv[3][0] != '-') {
-	    fileName = argv[3];	/* First argument is the file name. */
+	    fileName = (char *)argv[3];	/* First argument is the file name. */
 	    argv++, argc--;
 	}
 	if (Blt_ConfigureWidget(interp, graphPtr->tkwin, configSpecs, argc - 3,
--- a/generic/bltGraph.c
+++ b/generic/bltGraph.c
@@ -887,7 +887,7 @@
 CreateGraph(interp, argc, argv, classUid)
     Tcl_Interp *interp;
     int argc;
-    char **argv;
+    CONST char **argv;
     Blt_Uid classUid;
 {
     Graph *graphPtr;
@@ -1082,7 +1082,7 @@
     Graph *graphPtr;
     Tcl_Interp *interp;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     int flags;
 
--- a/generic/bltBitmap.c
+++ b/generic/bltBitmap.c
@@ -887,7 +887,7 @@
     ClientData clientData;	/* Thread-specific data for bitmaps. */
     Tcl_Interp *interp;		/* Interpreter to report results to */
     int argc;			/* Number of arguments */
-    char **argv;		/* Argument list */
+    CONST char **argv;		/* Argument list */
 {
     BitmapInterpData *dataPtr = clientData;
     int width, height;		/* Dimensions of bitmap */
@@ -934,7 +934,7 @@
     ts.leader = 0;
     ts.anchor = TK_ANCHOR_CENTER;
 
-    textPtr = Blt_GetTextLayout(argv[3], &ts);
+    textPtr = Blt_GetTextLayout((char *)argv[3], &ts);
     bitmap = Blt_CreateTextBitmap(tkwin, textPtr, &ts, &width, &height);
     Blt_Free(textPtr);
     if (bitmap == None) {
@@ -1003,7 +1003,7 @@
     ClientData clientData;	/* Thread-specific data for bitmaps. */
     Tcl_Interp *interp;		/* Interpreter to report results to */
     int argc;			/* Number of arguments */
-    char **argv;		/* Argument list */
+    CONST char **argv;		/* Argument list */
 {
     BitmapInterpData *dataPtr = clientData;
     int width, height;		/* Dimensions of bitmap */
@@ -1032,7 +1032,7 @@
 	return TCL_ERROR;
     }
     /* Skip leading spaces. */
-    for (p = argv[3]; isspace(UCHAR(*p)); p++) {
+    for (p = (char *)argv[3]; isspace(UCHAR(*p)); p++) {
 	/*empty*/
     }
     defn = Blt_Strdup(p);
--- a/generic/bltBusy.c
+++ b/generic/bltBusy.c
@@ -413,7 +413,7 @@
     Tcl_Interp *interp;
     Busy *busyPtr;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     Tk_Cursor oldCursor;
 
--- a/generic/bltCanvEps.c
+++ b/generic/bltCanvEps.c
@@ -1136,7 +1136,7 @@
     Tk_Canvas canvas;		/* Canvas containing itemPtr. */
     Tk_Item *itemPtr;		/* EPS item to reconfigure. */
     int argc;			/* Number of elements in argv.  */
-    char **argv;		/* Arguments describing things to configure. */
+    CONST char **argv;		/* Arguments describing things to configure. */
     int flags;			/* Flags to pass to Tk_ConfigureWidget. */
 {
     EpsItem *epsPtr = (EpsItem *)itemPtr;
@@ -1282,10 +1282,10 @@
     unsigned long gcMask;
     GC newGC;
     int width, height, i;
-    char **argv;
+    CONST char **argv;
 
     tkwin = Tk_CanvasTkwin(canvas);
-    argv = (char**)ckalloc((argc+1)*sizeof(char*));
+    argv = (CONST char **)ckalloc((argc+1)*sizeof(char*));
     for (i=0; i<argc; i++) {
         argv[i] = Tcl_GetString(objv[i]);
     }
--- a/generic/bltConfig.c
+++ b/generic/bltConfig.c
@@ -1545,7 +1545,7 @@
     Tk_Window tkwin;
     int result;
     char *tempName;
-    char *oldClass;
+    CONST char *oldClass;
     int isTemporary = FALSE;
 
     tempName = Blt_Strdup(resName);
@@ -1573,7 +1573,7 @@
     Blt_Free(tempName);
 
     Tk_SetClass(tkwin, className);
-    result = Blt_ConfigureWidget(interp, tkwin, specsPtr, argc, argv, widgRec,
+    result = Blt_ConfigureWidget(interp, tkwin, specsPtr, argc, (CONST char **)argv, widgRec,
 	flags);
     if (isTemporary) {
 	Tk_DestroyWindow(tkwin);
--- a/generic/bltOldConfig.c
+++ b/generic/bltOldConfig.c
@@ -578,7 +578,7 @@
 	    case TK_CONFIG_CUSTOM:
 		if ((*specPtr->customPtr->parseProc)(
 			specPtr->customPtr->clientData, interp, tkwin,
-			value, widgRec, specPtr->offset) != TCL_OK) {
+			(char *)value, widgRec, specPtr->offset) != TCL_OK) {
 		    return TCL_ERROR;
 		}
 		break;
@@ -737,7 +737,7 @@
     argv[2] = specPtr->dbClass;
     argv[3] = specPtr->defValue;
     if (specPtr->type == TK_CONFIG_SYNONYM) {
-	return Tcl_Merge(2, argv);
+	return Tcl_Merge(2, (char * CONST *)argv);
     }
     argv[4] = FormatConfigValue(interp, tkwin, specPtr, widgRec, buffer,
 	    &freeProc);
@@ -768,10 +768,10 @@
 
 
         argv[5] = conftypes[specPtr->type];
-        result = Tcl_Merge(6, argv);
+        result = Tcl_Merge(6, (char * CONST *)argv);
 
     } else {
-        result = Tcl_Merge(5, argv);
+        result = Tcl_Merge(5, (char * CONST *)argv);
     }
     if (freeProc != NULL) {
 	if ((freeProc == TCL_DYNAMIC) || (freeProc == (Tcl_FreeProc *) free)) {
--- a/generic/bltContainer.c
+++ b/generic/bltContainer.c
@@ -1185,7 +1185,7 @@
 			         * may not already have values for
 			         * some fields. */
     int argc;
-    char **argv;
+    CONST char **argv;
     int flags;
 {
     XGCValues gcValues;
--- a/generic/bltDragdrop.c
+++ b/generic/bltDragdrop.c
@@ -452,9 +452,9 @@
 static void SourceEventProc _ANSI_ARGS_((ClientData clientData,
 	XEvent *eventPtr));
 static int ConfigureSource _ANSI_ARGS_((Tcl_Interp *interp, Source * srcPtr,
-	int argc, char **argv, int flags));
+	int argc, CONST char **argv, int flags));
 static int ConfigureToken _ANSI_ARGS_((Tcl_Interp *interp, Source * srcPtr,
-	int argc, char **argv));
+	int argc, CONST char **argv));
 
 static Target *CreateTarget _ANSI_ARGS_((Tcl_Interp *interp, Tk_Window tkwin));
 static Target *FindTarget _ANSI_ARGS_((Tk_Window tkwin));
@@ -1060,7 +1060,7 @@
     Tcl_Interp *interp;
     Source *srcPtr;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     Token *tokenPtr;
 
@@ -1069,7 +1069,7 @@
 	    (char *)tokenPtr, TK_CONFIG_ARGV_ONLY) != TCL_OK) {
 	return TCL_ERROR;
     }
-    return ConfigureSource(interp, srcPtr, 0, (char **)NULL,
+    return ConfigureSource(interp, srcPtr, 0, (CONST char **)NULL,
 	TK_CONFIG_ARGV_ONLY);
 }
 
@@ -1161,7 +1161,7 @@
     srcPtr->token.borderWidth = srcPtr->token.activeBorderWidth = 3;
     srcPtr->hashPtr = hPtr;
     Blt_InitHashTable(&(srcPtr->handlerTable), BLT_STRING_KEYS);
-    if (ConfigureSource(interp, srcPtr, 0, (char **)NULL, 0) != TCL_OK) {
+    if (ConfigureSource(interp, srcPtr, 0, (CONST char **)NULL, 0) != TCL_OK) {
 	DestroySource(srcPtr);
 	return NULL;
     }
@@ -1280,7 +1280,7 @@
     Tcl_Interp *interp;		/* current interpreter */
     register Source *srcPtr;	/* drag&drop source widget record */
     int argc;			/* number of arguments */
-    char **argv;		/* argument strings */
+    CONST char **argv;		/* argument strings */
     int flags;			/* flags controlling interpretation */
 {
     unsigned long gcMask;
@@ -2332,11 +2332,11 @@
 TokenOp(interp, argc, argv)
     Tcl_Interp *interp;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     Source *srcPtr;
 
-    if (GetSource(interp, argv[2], &srcPtr) != TCL_OK) {
+    if (GetSource(interp, (char *)argv[2], &srcPtr) != TCL_OK) {
 	return TCL_ERROR;
     }
     if ((argc > 3) && 
@@ -2408,7 +2408,7 @@
 SourceOp(interp, argc, argv)
     Tcl_Interp *interp;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     Source *srcPtr;
     int isNew;
@@ -2429,7 +2429,7 @@
     /*
      *  Find or create source info...
      */
-    srcPtr = CreateSource(interp, argv[2], &isNew);
+    srcPtr = CreateSource(interp, (char *)argv[2], &isNew);
     if (srcPtr == NULL) {
 	return TCL_ERROR;
     }
--- a/generic/bltHierbox.c
+++ b/generic/bltHierbox.c
@@ -1088,7 +1088,7 @@
 static void EventuallyInvokeSelectCmd _ANSI_ARGS_((Hierbox *hboxPtr));
 static int ComputeVisibleEntries _ANSI_ARGS_((Hierbox *hboxPtr));
 static int ConfigureEntry _ANSI_ARGS_((Hierbox *hboxPtr, Entry * entryPtr,
-	int argc, char **argv, int flags));
+	int argc, CONST char **argv, int flags));
 static void ComputeLayout _ANSI_ARGS_((Hierbox *hboxPtr));
 
 static CompareProc ExactCompare, GlobCompare, RegexpCompare;
@@ -2064,7 +2064,7 @@
     }
     entryPtr->labelText = Blt_Strdup(name);
 
-    if (ConfigureEntry(hboxPtr, entryPtr, 0, (char **)NULL, 0) != TCL_OK) {
+    if (ConfigureEntry(hboxPtr, entryPtr, 0, (CONST char **)NULL, 0) != TCL_OK) {
 	DestroyEntry(entryPtr);
 	return NULL;
     }
@@ -3309,7 +3309,7 @@
     Hierbox *hboxPtr;
     Entry *entryPtr;
     int argc;
-    char **argv;
+    CONST char **argv;
     int flags;
 {
     GC newGC;
@@ -3926,7 +3926,7 @@
     Hierbox *hboxPtr;		/* Information about widget; may or may not
 			         * already have values for some fields. */
     int argc;
-    char **argv;
+    CONST char **argv;
     int flags;
 {
     XGCValues gcValues;
@@ -5493,7 +5493,7 @@
     Hierbox *hboxPtr;
     Tcl_Interp *interp;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     /* Figure out where the option value pairs begin */
     argc -= 3;
@@ -5829,7 +5829,7 @@
     char **argv;
 {
     int nIds, nOpts;
-    char **options;
+    CONST char **options;
     register int i;
     Tree *treePtr;
 
@@ -5847,7 +5847,7 @@
     }
     nIds = i;			/* Number of element names specified */
     nOpts = argc - i;		/* Number of options specified */
-    options = argv + i;		/* Start of options in argv  */
+    options = (CONST char **)argv + i;		/* Start of options in argv  */
 
     for (i = 0; i < nIds; i++) {
 	StringToNode(hboxPtr, argv[i], &treePtr);
@@ -7204,7 +7204,7 @@
     Tcl_DString dString;
     register int i, l;
     int nOpts;
-    char **options;
+    CONST char **options;
     char **nameArr;
 
     rootPtr = hboxPtr->rootPtr;
@@ -7230,7 +7230,7 @@
 	}
     }
     nOpts = argc - count;
-    options = argv + count;
+    options = (CONST char **)argv + count;
 
     Tcl_DStringInit(&dString);
     for (i = 0; i < count; i++) {
--- a/generic/bltHtext.c
+++ b/generic/bltHtext.c
@@ -3948,7 +3948,7 @@
     HText *htPtr;		/* Hypertext widget */
     Tcl_Interp *interp;		/* Interpreter associated with widget */
     int argc;			/* Number of arguments. */
-    char **argv;		/* Argument strings. */
+    CONST char **argv;		/* Argument strings. */
 {
     Line *linePtr;
     EmbeddedWidget *winPtr;
@@ -4092,7 +4092,7 @@
     HText *htPtr;
     Tcl_Interp *interp;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     char *itemPtr;
     Tk_ConfigSpec *specsPtr;
@@ -4531,7 +4531,7 @@
     Itk_SetWidgetCommand(htPtr->tkwin, htPtr->cmdToken);
 #endif
     if ((Blt_ConfigureWidget(interp, htPtr->tkwin, configSpecs, argc - 2,
-		argv + 2, (char *)htPtr, 0) != TCL_OK) ||
+		(CONST char **)argv + 2, (char *)htPtr, 0) != TCL_OK) ||
 	(ConfigureText(interp, htPtr) != TCL_OK)) {
 	Tk_DestroyWindow(htPtr->tkwin);
 	return TCL_ERROR;
--- a/generic/bltTable.c
+++ b/generic/bltTable.c
@@ -1181,7 +1181,7 @@
     Tcl_Interp *interp;
     Entry *entryPtr;
     int argc;			/* Option-value arguments */
-    char **argv;
+    CONST char **argv;
 {
     int oldRowSpan, oldColSpan;
 
@@ -1533,7 +1533,7 @@
     PartitionInfo *infoPtr;
     char *pattern;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     RowColumn *rcPtr;
     register Blt_ChainLink *linkPtr;
@@ -1852,7 +1852,7 @@
     Table *tablePtr;		/* Table to be configured */
     Tcl_Interp *interp;		/* Interpreter to report results back to */
     int argc;
-    char **argv;		/* Option-value pairs */
+    CONST char **argv;		/* Option-value pairs */
 {
     if (argc == 0) {
 	return Tk_ConfigureInfo(interp, tablePtr->tkwin, tableConfigSpecs,
@@ -2179,7 +2179,7 @@
     Tk_Window tkwin;
     int row, column;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     Entry *entryPtr;
     int result = TCL_OK;
--- a/generic/bltTabnotebook.c
+++ b/generic/bltTabnotebook.c
@@ -2758,7 +2758,7 @@
 			         * may not already have values for
 			         * some fields. */
     int argc;
-    char **argv;
+    CONST char **argv;
     int flags;
 {
     XGCValues gcValues;
@@ -3155,7 +3155,7 @@
     Notebook *nbPtr;
     Tcl_Interp *interp;
     int argc;			/* Not used. */
-    char **argv;
+    CONST char **argv;
 {
     Tab *tabPtr;
     Blt_ChainLink *linkPtr, *beforeLinkPtr;
@@ -3193,7 +3193,7 @@
     }
     lastNotebookInstance = nbPtr;
     if (Blt_ConfigureWidgetComponent(interp, nbPtr->tkwin, tabPtr->name,
-	"Tab", tabConfigSpecs, argc - 3, argv + 3, (char *)tabPtr, 0) 
+	"Tab", tabConfigSpecs, argc - 3, (char **)argv + 3, (char *)tabPtr, 0) 
 	!= TCL_OK) {
 	DestroyTab(nbPtr, tabPtr);
 	return TCL_ERROR;
@@ -3658,10 +3658,10 @@
     Notebook *nbPtr;
     Tcl_Interp *interp;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     int nTabs, nOpts, result;
-    char **options;
+    CONST char **options;
     register int i;
     Tab *tabPtr;
 
--- a/generic/bltTabset.c
+++ b/generic/bltTabset.c
@@ -3154,7 +3154,7 @@
 			         * may not already have values for
 			         * some fields. */
     int argc,
-    char **argv,
+    CONST char **argv,
     int flags)
 {
     XGCValues gcValues;
@@ -3404,7 +3404,7 @@
     Tabset *setPtr,
     Tcl_Interp *interp,
     int argc,
-    char **argv)
+    CONST char **argv)
 {
     tabSet = setPtr;
     if (argc == 2) {
@@ -3665,7 +3665,7 @@
     } else {
 	Tab *beforePtr;
 
-	if (GetTabByIndName(setPtr, argv[2], &beforePtr) 
+	if (GetTabByIndName(setPtr, (char *)argv[2], &beforePtr) 
 	    != TCL_OK) {
 	    result = TCL_ERROR;
 	    goto finish;
@@ -4415,10 +4415,10 @@
     Tabset *setPtr;
     Tcl_Interp *interp;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     int nTabs, nOpts, result;
-    char **options;
+    CONST char **options;
     register int i;
     Tab *tabPtr;
 
@@ -6844,7 +6844,7 @@
 	return TCL_ERROR;
     }
     setPtr = CreateTabset(interp, tkwin);
-    if (ConfigureTabset(interp, setPtr, argc - 2, argv + 2, 0) != TCL_OK) {
+    if (ConfigureTabset(interp, setPtr, argc - 2, (CONST char **)argv + 2, 0) != TCL_OK) {
 	Tk_DestroyWindow(setPtr->tkwin);
 	return TCL_ERROR;
     }
--- a/generic/bltTreeViewCmd.c
+++ b/generic/bltTreeViewCmd.c
@@ -5186,8 +5186,8 @@
     char *string, *subPath;
     int nLen, idx, useid, oLen;
     int sobjc, tobjc;
-    Tcl_Obj *CONST *sobjv;
-    Tcl_Obj *CONST *tobjv;
+    Tcl_Obj **sobjv;
+    Tcl_Obj **tobjv;
     TreeViewStyle *stylePtr;
     TreeViewColumn *columnPtr;
     TreeViewEntry *entryPtr;
--- a/generic/bltUnixDnd.c
+++ b/generic/bltUnixDnd.c
@@ -620,7 +620,7 @@
 static void DestroyDnd _ANSI_ARGS_((DestroyData data));
 static int DndEventProc _ANSI_ARGS_((ClientData clientData, XEvent *eventPtr));
 static int ConfigureToken _ANSI_ARGS_((Tcl_Interp *interp, Dnd *dndPtr,
-	int argc, char **argv, int flags));
+	int argc, CONST char **argv, int flags));
 
 static Winfo *OverTarget _ANSI_ARGS_((Dnd *dndPtr));
 static void AddTargetProperty _ANSI_ARGS_((Dnd *dndPtr));
@@ -1825,7 +1825,7 @@
     Tcl_Interp *interp;		/* current interpreter */
     Dnd *dndPtr;		/* Drag&drop source widget record */
     int argc;			/* number of arguments */
-    char **argv;		/* argument strings */
+    CONST char **argv;		/* argument strings */
     int flags;			/* flags controlling interpretation */
 {
     GC newGC;
@@ -3761,12 +3761,12 @@
     ClientData clientData;	/* Thread-specific data. */
     Tcl_Interp *interp;		/* current interpreter */
     int argc;			/* number of arguments */
-    char **argv;		/* argument strings */
+    CONST char **argv;		/* argument strings */
 {
     Dnd *dndPtr;
     int flags;
 
-    if (GetDnd(clientData, interp, argv[2], &dndPtr) != TCL_OK) {
+    if (GetDnd(clientData, interp, (char *)argv[2], &dndPtr) != TCL_OK) {
 	return TCL_ERROR;
     }
     flags = TK_CONFIG_ARGV_ONLY;
@@ -4418,7 +4418,7 @@
     ClientData clientData;
     Tcl_Interp *interp;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     DndInterpData *dataPtr = clientData;
     Tk_Window tkwin;
@@ -4462,12 +4462,12 @@
     ClientData clientData;	/* Thread-specific data. */
     Tcl_Interp *interp;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     Dnd *dndPtr;
     int flags;
 
-    if (GetDnd(clientData, interp, argv[3], &dndPtr) != TCL_OK) {
+    if (GetDnd(clientData, interp, (char *)argv[3], &dndPtr) != TCL_OK) {
 	return TCL_ERROR;
     }
     flags = 0;
@@ -4529,13 +4529,13 @@
     ClientData clientData;	/* Thread-specific data. */
     Tcl_Interp *interp;
     int argc;
-    char **argv;
+    CONST char **argv;
 {
     Token *tokenPtr;
     Dnd *dndPtr;
     int flags;
 
-    if (GetDnd(clientData, interp, argv[3], &dndPtr) != TCL_OK) {
+    if (GetDnd(clientData, interp, (char *)argv[3], &dndPtr) != TCL_OK) {
 	return TCL_ERROR;
     }
     flags = TK_CONFIG_ARGV_ONLY;
--- a/generic/tkButton.c
+++ b/generic/tkButton.c
@@ -855,7 +855,7 @@
 	Tcl_Interp *interp, int argc, char **argv));
 static void ComputeButtonGeometry _ANSI_ARGS_((Button *butPtr));
 static int ConfigureButton _ANSI_ARGS_((Tcl_Interp *interp,
-	Button *butPtr, int argc, char **argv,
+	Button *butPtr, int argc, CONST char **argv,
 	int flags));
 static void DestroyButton _ANSI_ARGS_((Button *butPtr));
 static void DisplayButton _ANSI_ARGS_((ClientData clientData));
@@ -1305,7 +1305,7 @@
     Tk_CreateEventHandler(butPtr->tkwin,
 	ExposureMask | StructureNotifyMask | FocusChangeMask,
 	ButtonEventProc, butPtr);
-    if (ConfigureButton(interp, butPtr, argc - 2, argv + 2,
+    if (ConfigureButton(interp, butPtr, argc - 2, (CONST char **)argv + 2,
 	    configFlags[type]) != TCL_OK) {
 	Tk_DestroyWindow(butPtr->tkwin);
 	return TCL_ERROR;
@@ -1337,7 +1337,7 @@
                 value = Tcl_GetString(valuePtr);
         }
     }
-    return value;
+    return (char *)value;
 }
 
 static int ButtonSetValue(Button *butPtr, char *value, int warn) {
@@ -1427,7 +1427,7 @@
 		(char *)butPtr, argv[2],
 		configFlags[butPtr->type]);
 	} else {
-	    result = ConfigureButton(interp, butPtr, argc - 2, argv + 2,
+	    result = ConfigureButton(interp, butPtr, argc - 2, (CONST char **)argv + 2,
 		configFlags[butPtr->type] | TK_CONFIG_ARGV_ONLY);
 	}
     } else if ((c == 'd') && (strncmp(argv[1], "deselect", length) == 0)
@@ -1694,7 +1694,7 @@
     register Button *butPtr;	/* Information about widget;  may or may
 				 * not already have values for some fields. */
     int argc;			/* Number of valid entries in argv. */
-    char **argv;		/* Arguments. */
+    CONST char **argv;		/* Arguments. */
     int flags;			/* Flags to pass to Tk_ConfigureWidget. */
 {
     XGCValues gcValues;
--- a/generic/tkFrame.c
+++ b/generic/tkFrame.c
@@ -734,7 +734,7 @@
 #endif /* TK_MAJOR_VERSION > 4 */
 
     if (Tk_ConfigureWidget(interp, framePtr->tkwin, configSpecs,
-	    argc, argv, (char *)framePtr, flags | framePtr->mask) != TCL_OK) {
+	    argc, (CONST char **)argv, (char *)framePtr, flags | framePtr->mask) != TCL_OK) {
 	return TCL_ERROR;
     }
     if (framePtr->tile != NULL) {
--- a/generic/bltScrollbar.c
+++ b/generic/bltScrollbar.c
@@ -301,7 +301,7 @@
 static void ComputeScrollbarGeometry _ANSI_ARGS_((
 	Scrollbar *scrollPtr));
 static int ConfigureScrollbar _ANSI_ARGS_((Tcl_Interp *interp,
-	Scrollbar *scrollPtr, int argc, char **argv,
+	Scrollbar *scrollPtr, int argc, CONST char **argv,
 	int flags));
 static void DestroyScrollbar _ANSI_ARGS_((DestroyData *memPtr));
 static void DisplayScrollbar _ANSI_ARGS_((ClientData clientData));
@@ -434,7 +434,7 @@
     Tk_CreateEventHandler(scrollPtr->tkwin,
 	ExposureMask | StructureNotifyMask | FocusChangeMask,
 	ScrollbarEventProc, (ClientData)scrollPtr);
-    if (ConfigureScrollbar(interp, scrollPtr, argc - 2, argv + 2, 0) != TCL_OK) {
+    if (ConfigureScrollbar(interp, scrollPtr, argc - 2, (CONST char **)argv + 2, 0) != TCL_OK) {
 	goto error;
     }
     Tcl_SetResult(interp, Tk_PathName(scrollPtr->tkwin), TCL_VOLATILE);
@@ -558,7 +558,7 @@
 	    result = Tk_ConfigureInfo(interp, scrollPtr->tkwin, configSpecs,
 		(char *)scrollPtr, argv[2], 0);
 	} else {
-	    result = ConfigureScrollbar(interp, scrollPtr, argc - 2, argv + 2,
+	    result = ConfigureScrollbar(interp, scrollPtr, argc - 2, (CONST char **)argv + 2,
 		TK_CONFIG_ARGV_ONLY);
 	}
     } else if ((c == 'd') && (strncmp(argv[1], "delta", length) == 0)) {
@@ -904,7 +904,7 @@
 					 * may not already have values for
 					 * some fields. */
     int argc;			/* Number of valid entries in argv. */
-    char **argv;		/* Arguments. */
+    CONST char **argv;		/* Arguments. */
     int flags;			/* Flags to pass to
 					 * Tk_ConfigureWidget. */
 {
--- a/generic/bltTed.c
+++ b/generic/bltTed.c
@@ -819,7 +819,7 @@
 ConfigureTed(tedPtr, argc, argv, flags)
     Ted *tedPtr;
     int argc;
-    char **argv;		/* Option-value pairs */
+    CONST char **argv;		/* Option-value pairs */
     int flags;
 {
     XGCValues gcValues;