Index: trunk/src/plugins/rt_topo/crbs.c
===================================================================
--- trunk/src/plugins/rt_topo/crbs.c	(revision 1433)
+++ trunk/src/plugins/rt_topo/crbs.c	(revision 1434)
@@ -43,7 +43,7 @@
 
 static void crbs_coll_report_cb(grbs_t *grbs, grbs_2net_t *tn, grbs_2net_t *coll_tn, grbs_arc_t *coll_arc)
 {
-	crbs_t *crbs = grbs->user_data;
+/*	crbs_t *crbs = grbs->user_data;*/
 	crbs_2net_t *coll_ctn = coll_tn->user_data;
 /*	crbs_2net_t *ctn = tn->user_data;*/
 
Index: trunk/src/plugins/rt_topo/crbs_cdt.c
===================================================================
--- trunk/src/plugins/rt_topo/crbs_cdt.c	(revision 1433)
+++ trunk/src/plugins/rt_topo/crbs_cdt.c	(revision 1434)
@@ -64,7 +64,7 @@
 	int immut = 1; /* because constrained in the cdt, we do not ever want these to move in grbs */
 
 	if (len2 > maxlen2) {
-		double d, len, x, y;
+		double len, x, y;
 		long spn, n;
 		point_t *lp, *p;
 
@@ -108,7 +108,6 @@
 	point_t *p1, *p2;
 	cdt_t *cdt = &crbs->cdt;
 	rtp_vertex_t *v;
-	edge_t *e;
 	long n;
 	double maxl2, maxlen = (rt_topo_cfg.wire_thick + rt_topo_cfg.wire_clr/2) * 50; /* split long constrained edges so that no segment is longer than this value */
 	double cop, clr;
@@ -153,7 +152,6 @@
 		minlen2 = minlen * minlen;
 
 		for(n = 0; n < cdt->edges.used; n++) {
-			double len;
 			edge_t *e = cdt->edges.array[n];
 			double dx, dy, len2;
 			
Index: trunk/src/plugins/rt_topo/crbs_route.c
===================================================================
--- trunk/src/plugins/rt_topo/crbs_route.c	(revision 1433)
+++ trunk/src/plugins/rt_topo/crbs_route.c	(revision 1434)
@@ -426,7 +426,7 @@
 	usrch_a_star_t ast = {0};
 	usrch_a_star_node_t *it;
 	grbs_detached_addr_t addr_tmp[2];
-	grbs_detached_addr_t *first, *da, *prev;
+	grbs_detached_addr_t *first, *da;
 	grbs_addr_t *na, *pa, *firsta, *lasta;
 	crbs_2net_t *tn;
 	int res = -1;
@@ -496,12 +496,11 @@
 	}
 
 	/* build from start to end, in the original order */
-	prev = first;
 	firsta = NULL;
 	lasta = pa = grbs_addr_new(&crbs->grbs, ADDR_POINT, first->pt);
 	lasta->user_data = NULL;
 	printf("GT 2net_new %s %f %f  from P%ld", ctn->tn->net->hdr.oid, rt_topo_cfg.wire_thick, rt_topo_cfg.wire_clr, first->pt->uid);
-	for(da = first->user_data; da != NULL; prev = da, da = da->user_data) {
+	for(da = first->user_data; da != NULL; da = da->user_data) {
 		hop_cnt++;
 		switch(da->user_long) {
 			case GRBS_ADIR_INC:         printf(" to P%ld", da->pt->uid); break;
@@ -667,7 +666,7 @@
 	crbs_t crbs;
 	rt_topo_2net_t *t;
 	rtrnd_layer_t ly_cdt = {0}, ly_bnk = {0};
-	int res, tries;
+	int res;
 
 	memset(&crbs, 0, sizeof(crbs_t));
 	crbs.disable_vconcave = 0;
Index: trunk/src/plugins/rt_topo/laa3_solve.c
===================================================================
--- trunk/src/plugins/rt_topo/laa3_solve.c	(revision 1433)
+++ trunk/src/plugins/rt_topo/laa3_solve.c	(revision 1434)
@@ -138,8 +138,7 @@
 
 	printf("laa3 solver gain: %f", best_gain);
 	if (best_gain > 0) {
-		rtrnd_crossing_t *cr = &best_tn->cross.array[best_ci], *cr2;
-		int cridx2;
+		rtrnd_crossing_t *cr = &best_tn->cross.array[best_ci];
 
 		printf(" by moving tn %p seg %d from layer %d to %d\n", best_tn, best_ci, best_tn->asg[cr->bridx], best_lid);
 		best_tn->asg[cr->bridx] = best_lid;
@@ -153,8 +152,10 @@
    same coord as an unrelated pin; common when the board uses grid and well
    aligned pins */
 #ifdef DOUBLE_CHECK_CROSSING
+		{
+		int cridx2;
 		for(cridx2 = 0; cridx2 < cr->cn->cross.used; cridx2++) {
-			cr2 = &cr->cn->cross.array[cridx2];
+			rtrnd_crossing_t *cr2 = &cr->cn->cross.array[cridx2];
 			if ((fabs(cr2->x-cr->x) < 0.0001) && (fabs(cr2->y-cr->y) < 0.0001)) {
 				if (cr->cn_cr != cr2)
 					printf("  update2 mismatch %d %d at {%f %f} vs {%f %f} (%p == %p)\n", cr->cn_bridx, cr2->bridx, cr->x, cr->y, cr2->x, cr2->y, cr->cn_cr, cr2);
@@ -161,6 +162,7 @@
 				assert(cr->cn_cr == cr2);
 			}
 		}
+		}
 #endif
 
 	}
Index: trunk/src/plugins/rt_topo/trbs_cdt.c
===================================================================
--- trunk/src/plugins/rt_topo/trbs_cdt.c	(revision 1433)
+++ trunk/src/plugins/rt_topo/trbs_cdt.c	(revision 1434)
@@ -235,21 +235,18 @@
 	/* ... this second loop is creating the new points and actual constrained
 	   edges as mapped in the first loop above */
 	for(n = n2 = 0; n < vp.used; n += 2, n2 += 2) {
-		int i;
 		double x = vc.array[n2], y = vc.array[n2+1];
-		point_t *opp = vp.array[n], *np;
+		point_t *opp = vp.array[n], *newp;
 		edge_t *e = vp.array[n+1];
 		rtrnd_any_obj_t *p_obj;
 
-		np = rtrnd_line_new(ly_dbg, NULL, NULL, x, y, opp->pos.x, opp->pos.y, 0.2, 0);
-		if (((trbs_point_t *)e->endp[0]->data)->obj == ((trbs_point_t *)e->endp[1]->data)->obj) {
-			trbs_point_t *ntp = np->data;
+		rtrnd_line_new(ly_dbg, NULL, NULL, x, y, opp->pos.x, opp->pos.y, 0.2, 0);
+		if (((trbs_point_t *)e->endp[0]->data)->obj == ((trbs_point_t *)e->endp[1]->data)->obj)
 			p_obj = ((trbs_point_t *)e->endp[0]->data)->obj;
-		}
 		else
 			p_obj = NULL;
 
-		point_t *newp = trbs_insert_point(trbs, x, y, p_obj, NULL);
+		newp = trbs_insert_point(trbs, x, y, p_obj, NULL);
 		if (newp != NULL) {
 			printf("  insert:   P%ld (%f;%f) obj=%p\n", ((trbs_point_t *)newp->data)->uid, newp->pos.x, newp->pos.y, p_obj);
 			{