diff --git a/tgt-fpga/xilinx.c b/tgt-fpga/xilinx.c
index 2409dbbc9..eb5390e63 100644
--- a/tgt-fpga/xilinx.c
+++ b/tgt-fpga/xilinx.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003-2010 Stephen Williams (steve at icarus.com)
+ * Copyright (c) 2003-2012 Stephen Williams (steve at icarus.com)
  *
  *    This source code is free software; you can redistribute it
  *    and/or modify it in source code form under the terms of the GNU
@@ -877,7 +877,7 @@ void xilinx_shiftl(ivl_lpm_t net)
 	   inputs. The slice on the low end shifts in a 0 for a select
 	   input. */
       for (qdx = 0 ;  qdx < width ;  qdx += 1) {
-	    ivl_nexus_t nex0, nex1;
+	    ivl_nexus_t nex0;
 	    edif_joint_t jnt0;
 	    edif_joint_t jnt1;
 
@@ -885,6 +885,7 @@ void xilinx_shiftl(ivl_lpm_t net)
 	    jnt0 = edif_joint_of_nexus(edf, nex0);
 
 	    if (qdx > 0) {
+		  ivl_nexus_t nex1;
 		  nex1 = ivl_lpm_data(net,qdx-1);
 		  jnt1 = edif_joint_of_nexus(edf, nex1);
 	    } else {
diff --git a/tgt-stub/expression.c b/tgt-stub/expression.c
index fd22bca86..ecf2a61b1 100644
--- a/tgt-stub/expression.c
+++ b/tgt-stub/expression.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007-2011 Stephen Williams (steve@icarus.com)
+ * Copyright (c) 2007-2012 Stephen Williams (steve@icarus.com)
  *
  *    This source code is free software; you can redistribute it
  *    and/or modify it in source code form under the terms of the GNU
@@ -410,7 +410,7 @@ void show_expression(ivl_expr_t net, unsigned ind)
 	      break;
 
 	  default:
-	    fprintf(out, "%*s<expr_type=%u>\n", ind, "", code);
+	    fprintf(out, "%*s<expr_type=%d>\n", ind, "", code);
 	    break;
       }
 }
diff --git a/tgt-stub/statement.c b/tgt-stub/statement.c
index 1ff9e3eeb..83be3a195 100644
--- a/tgt-stub/statement.c
+++ b/tgt-stub/statement.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004-2007,2012 Stephen Williams (steve@icarus.com)
+ * Copyright (c) 2004-2012 Stephen Williams (steve@icarus.com)
  *
  *    This source code is free software; you can redistribute it
  *    and/or modify it in source code form under the terms of the GNU
@@ -420,6 +420,6 @@ void show_statement(ivl_statement_t net, unsigned ind)
 	    break;
 
 	  default:
-	    fprintf(out, "%*sunknown statement type (%u)\n", ind, "", code);
+	    fprintf(out, "%*sunknown statement type (%d)\n", ind, "", code);
       }
 }
diff --git a/tgt-stub/stub.c b/tgt-stub/stub.c
index 5b8b00bee..f8a1630ff 100644
--- a/tgt-stub/stub.c
+++ b/tgt-stub/stub.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2011 Stephen Williams (steve@icarus.com)
+ * Copyright (c) 2000-2012 Stephen Williams (steve@icarus.com)
  *
  *    This source code is free software; you can redistribute it
  *    and/or modify it in source code form under the terms of the GNU
@@ -567,7 +567,7 @@ static void show_lpm_mux(ivl_lpm_t net)
 	      ivl_lpm_basename(net), width, size);
 
       nex = ivl_lpm_q(net);
-      fprintf(out, "    Q: %p <drive0/1 = %u/%u>\n", nex, drive0, drive1);
+      fprintf(out, "    Q: %p <drive0/1 = %d/%d>\n", nex, drive0, drive1);
       if (width != width_of_nexus(nex)) {
 	    fprintf(out, "    Q: ERROR: Nexus width is %u\n",
 		    width_of_nexus(nex));
@@ -1511,9 +1511,9 @@ static void show_logic(ivl_net_logic_t net)
       for (idx = 0 ;  idx < npins ;  idx += 1) {
 	    ivl_nexus_t nex = ivl_logic_pin(net, idx);
 
-	    fprintf(out, "    %d: %p", idx, nex);
+	    fprintf(out, "    %u: %p", idx, nex);
 	    if (idx == 0)
-		  fprintf(out, " <drive0/1 = %u/%u>", drive0, drive1);
+		  fprintf(out, " <drive0/1 = %d/%d>", drive0, drive1);
 	    fprintf(out, "\n");
 
 	    if (nex == 0) {
@@ -1526,7 +1526,7 @@ static void show_logic(ivl_net_logic_t net)
 	    }
 
 	    if (ivl_logic_width(net) != width_of_nexus(nex)) {
-		  fprintf(out, "    %d: ERROR: Nexus width is %u\n",
+		  fprintf(out, "    %u: ERROR: Nexus width is %u\n",
 			  idx, width_of_nexus(nex));
 		  stub_errors += 1;
 	    }
diff --git a/tgt-verilog/verilog.c b/tgt-verilog/verilog.c
index 4136950cb..d9c6af93f 100644
--- a/tgt-verilog/verilog.c
+++ b/tgt-verilog/verilog.c
@@ -377,7 +377,7 @@ static void show_statement(ivl_statement_t net, unsigned ind)
 	    break;
 
 	  default:
-	    fprintf(out, "%*sunknown statement type (%u)\n", ind, "", code);
+	    fprintf(out, "%*sunknown statement type (%d)\n", ind, "", code);
       }
 }