diff --git a/cif/CIFrdutils.c b/cif/CIFrdutils.c
index 9b7de201..23fd9432 100644
--- a/cif/CIFrdutils.c
+++ b/cif/CIFrdutils.c
@@ -140,7 +140,7 @@ CIFReadError(const char *format, ...)
 	if (cifLineNumber > 0)
 	    TxError("Error at line %d of CIF file: ", cifLineNumber);
 	else
-	    TxError("CIF file read error: ", cifLineNumber);
+	    TxError("CIF file read error: ");
 	va_start(args, format);
 	Vfprintf(stderr, format, args);
 	va_end(args);
diff --git a/database/DBcellsrch.c b/database/DBcellsrch.c
index c4d91492..39913083 100644
--- a/database/DBcellsrch.c
+++ b/database/DBcellsrch.c
@@ -1622,7 +1622,7 @@ dbTileScaleFunc(tile, scvals)
 		(targetRect.r_ytop - targetRect.r_ybot == 0))
     {
 	TxPrintf("Tile %p at (%d, %d) has zero area after scaling:  Removed.\n",
-		tile, targetRect.r_xbot, targetRect.r_ybot);
+		(void *) tile, targetRect.r_xbot, targetRect.r_ybot);
 	return 0;
     }
 
diff --git a/extract/ExtBasic.c b/extract/ExtBasic.c
index 6e6d8ef8..fcd6f12f 100644
--- a/extract/ExtBasic.c
+++ b/extract/ExtBasic.c
@@ -383,7 +383,7 @@ extBasic(def, outFile)
 	    if (devidx < 0)
 	    {
 		TxError("Extract error:  \"device\" property has unknown "
-				"device type.\n", token);
+				"device type: %s\n", token);
 		propfound = FALSE;
 	    }
 	    if (propfound)
diff --git a/gcr/gcrDebug.c b/gcr/gcrDebug.c
index dbfece8c..6f243dd8 100644
--- a/gcr/gcrDebug.c
+++ b/gcr/gcrDebug.c
@@ -542,11 +542,11 @@ gcrDumpCol(col, size)
 	return;
 
     for (i = size; i >= 0; i--)
-	TxPrintf("[%2d] hi=%6d(%c) lo=%6d(%c) h=%6d v=%6d w=%6d f=%4d\n", i,
+	TxPrintf("[%2d] hi=%6d(%c) lo=%6d(%c) h=%6lu v=%6lu w=%6lu f=%4d\n", i,
 	    col[i].gcr_hi, col[i].gcr_hOk ? 'T' : 'F',
 	    col[i].gcr_lo, col[i].gcr_lOk ? 'T' : 'F',
-	    col[i].gcr_h, col[i].gcr_v,
-	    col[i].gcr_wanted, col[i].gcr_flags);
+	    (pointertype) col[i].gcr_h, (pointertype) col[i].gcr_v,
+	    (pointertype) col[i].gcr_wanted, col[i].gcr_flags);
 }
 
 /*
diff --git a/lef/defRead.c b/lef/defRead.c
index 84cacdd0..49d2bac7 100644
--- a/lef/defRead.c
+++ b/lef/defRead.c
@@ -348,7 +348,7 @@ DefAddRoutes(rootDef, f, oscale, special, netname, ruleset, defLayerMap, annotat
 	}
 	else if (!strcmp(token, "POLYGON"))
 	{
-	    LefError(DEF_ERROR, "Route has POLYGON entries, this is not handled!\n",
+	    LefError(DEF_ERROR, "Route has %s entries, this is not handled!\n",
 			token);
 	    token = LefNextToken(f, TRUE);	/* read opening parens */
 	    goto endCoord;
diff --git a/plot/plotMain.c b/plot/plotMain.c
index e1f94d22..fa07a297 100644
--- a/plot/plotMain.c
+++ b/plot/plotMain.c
@@ -281,7 +281,7 @@ PlotPrintParams()
 {
     TxPrintf("General plotting parameters are:\n");
     TxPrintf("    showCellNames: %s\n", PlotShowCellNames ? "true" : "false");
-    TxPrintf("");
+    TxPrintf("\n");
     TxPrintf("Postscript plotting parameters are:\n");
     TxPrintf("    PS_cellIdFont:  \"%s\"\n", PlotPSIdFont);
     TxPrintf("    PS_cellNameFont:\"%s\"\n", PlotPSNameFont);
@@ -297,7 +297,7 @@ PlotPrintParams()
     TxPrintf("    PS_margin:      %d (%.3f in)\n", PlotPSMargin,
 		(float)PlotPSMargin / 72);
 
-    TxPrintf("");
+    TxPrintf("\n");
     TxPrintf("PNM plotting parameters are:\n");
     TxPrintf("    pnmmaxmem: %d KB\n", PlotPNMmaxmem);
     TxPrintf("    pnmdownsample: %d\n", PlotPNMdownsample);
@@ -305,7 +305,7 @@ PlotPrintParams()
 
 #ifdef VERSATEC
     TxPrintf("    pnmplotRTL: %s\n", PlotPNMRTL ? "true" : "false");
-    TxPrintf("");
+    TxPrintf("\n");
     TxPrintf("HP/Versatec plotting parameters are:\n");
     TxPrintf("    cellIdFont:    \"%s\"\n", PlotVersIdFont);
     TxPrintf("    cellNameFont:  \"%s\"\n", PlotVersNameFont);
diff --git a/plow/PlowTest.c b/plow/PlowTest.c
index aaae633b..37f2feae 100644
--- a/plow/PlowTest.c
+++ b/plow/PlowTest.c
@@ -336,7 +336,7 @@ PlowTest(w, cmd)
 	    break;
 	case PC_MERGEDOWN:
 	    tp = TiSrPointNoHint(plane, &editArea.r_ll);
-	    TxPrintf("Merging tile %p below\n", tp);
+	    TxPrintf("Merging tile %p below\n", (void *)tp);
 	    TiToRect(tp, &editArea);
 	    TiToRect(RT(tp), &area2);
 	    (void) GeoInclude(&area2, &editArea);
@@ -345,7 +345,7 @@ PlowTest(w, cmd)
 	    break;
 	case PC_MERGEUP:
 	    tp = TiSrPointNoHint(plane, &editArea.r_ll);
-	    TxPrintf("Merging tile %p above\n", tp);
+	    TxPrintf("Merging tile %p above\n", (void *)tp);
 	    TiToRect(tp, &editArea);
 	    TiToRect(RT(tp), &area2);
 	    (void) GeoInclude(&area2, &editArea);
@@ -355,7 +355,7 @@ PlowTest(w, cmd)
 	case PC_PRINT:
 	    tp = TiSrPointNoHint(plane, &editArea.r_ll);
 	    TxPrintf("Tile %p  LEFT=%d RIGHT=%d BOTTOM=%d TOP=%d\n",
-		tp, LEFT(tp), RIGHT(tp), BOTTOM(tp), TOP(tp));
+		(void *)tp, LEFT(tp), RIGHT(tp), BOTTOM(tp), TOP(tp));
 	    TxPrintf("    TRAILING=%d LEADING=%d TYPE=%s\n",
 		TRAILING(tp), LEADING(tp), DBTypeLongName(TiGetTypeExact(tp)));
 	    break;
diff --git a/textio/txCommands.c b/textio/txCommands.c
index dbf82652..15077066 100644
--- a/textio/txCommands.c
+++ b/textio/txCommands.c
@@ -201,7 +201,7 @@ void
 TxPrintEvent(event)
     TxInputEvent *event;
 {
-    TxError("Input event at %p\n    ", event);
+    TxError("Input event at %p\n    ", (void *) event);
     if (event->txe_button == TX_EOF) {
 	TxError("EOF event");
     } else if (event->txe_button == TX_BYPASS) {
@@ -255,7 +255,7 @@ TxPrintCommand(cmd)
     int i, j;
     char TxTemp[200];
 
-    TxError("Command at %p\n    ", cmd);
+    TxError("Command at %p\n    ", (void *) cmd);
     if (cmd->tx_button == TX_CHARACTER) {
 	TxError("Text command with %d words: ", cmd->tx_argc);
 	for (i = 0; i < cmd->tx_argc; i++) {
diff --git a/windows/windDebug.c b/windows/windDebug.c
index 6f0065bb..bceac628 100644
--- a/windows/windDebug.c
+++ b/windows/windDebug.c
@@ -54,7 +54,7 @@ windPrintWindow(w)
     LinkedRect *lr;
 
     TxPrintf("\nWindow %d: '%s'\n", w->w_wid, w->w_caption);
-    TxPrintf("  Client %lx  Surface %lx \n", w->w_client, CD2INT(w->w_surfaceID));
+    TxPrintf("  Client %p  Surface %lx \n", (void *) w->w_client, CD2INT(w->w_surfaceID));
 
     TxPrintf("  All area (%d, %d) (%d, %d)\n",
 	w->w_allArea.r_xbot, w->w_allArea.r_ybot,