Index: trunk/src/layer_grp.c
===================================================================
--- trunk/src/layer_grp.c	(revision 7737)
+++ trunk/src/layer_grp.c	(revision 7738)
@@ -131,10 +131,10 @@
 	return pcb->LayerGroups.grp[gid].name;
 }
 
-pcb_bool pcb_is_layergrp_empty(pcb_layergrp_id_t num)
+pcb_bool pcb_is_layergrp_empty(pcb_board_t *pcb, pcb_layergrp_id_t num)
 {
 	int i;
-	pcb_layer_group_t *g = &PCB->LayerGroups.grp[num];
+	pcb_layer_group_t *g = &pcb->LayerGroups.grp[num];
 
 	/* some layers are never empty */
 	if (g->type & PCB_LYT_MASK)
Index: trunk/src/layer_grp.h
===================================================================
--- trunk/src/layer_grp.h	(revision 7737)
+++ trunk/src/layer_grp.h	(revision 7738)
@@ -65,7 +65,7 @@
 pcb_layergrp_id_t pcb_layer_move_to_group(pcb_board_t *pcb, pcb_layer_id_t layer, pcb_layergrp_id_t group);
 
 /* Returns pcb_true if all layers in a group are empty */
-pcb_bool pcb_is_layergrp_empty(pcb_layergrp_id_t lgrp);
+pcb_bool pcb_is_layergrp_empty(pcb_board_t *pcb, pcb_layergrp_id_t lgrp);
 
 /* call the gui to set a layer group */
 int pcb_layer_gui_set_glayer(pcb_layergrp_id_t grp, int is_empty);
Index: trunk/src_plugins/export_dxf/dxf.c
===================================================================
--- trunk/src_plugins/export_dxf/dxf.c	(revision 7737)
+++ trunk/src_plugins/export_dxf/dxf.c	(revision 7738)
@@ -4407,7 +4407,7 @@
 		/* do nothing here to export all layers */
 	}
 	else {
-		if (pcb_is_layergrp_empty(group)) {
+		if (pcb_is_layergrp_empty(PCB, group)) {
 			/* do not export empty layers */
 			if (dxf_verbose) {
 				fprintf(stderr, "DXF: Warning, Layer %ld contains no exportable items and is not set.\n", group);
Index: trunk/src_plugins/export_gerber/gerber.c
===================================================================
--- trunk/src_plugins/export_gerber/gerber.c	(revision 7737)
+++ trunk/src_plugins/export_gerber/gerber.c	(revision 7738)
@@ -632,7 +632,7 @@
 
 
 	if (!all_layers)
-		if ((group >= 0) && pcb_is_layergrp_empty(group) && !(flags & PCB_LYT_SILK))
+		if ((group >= 0) && pcb_is_layergrp_empty(PCB, group) && !(flags & PCB_LYT_SILK))
 			return 0;
 
 	if ((flags & PCB_LYT_INVIS) || (flags & PCB_LYT_ASSY)) {
Index: trunk/src_plugins/export_png/png.c
===================================================================
--- trunk/src_plugins/export_png/png.c	(revision 7737)
+++ trunk/src_plugins/export_png/png.c	(revision 7738)
@@ -476,13 +476,13 @@
 			if (comp_layer < solder_layer)
 				for (i = comp_layer; i <= solder_layer; i++) {
 					photo_groups[n++] = i;
-					if (i != comp_layer && i != solder_layer && !pcb_is_layergrp_empty(i))
+					if (i != comp_layer && i != solder_layer && !pcb_is_layergrp_empty(PCB, i))
 						photo_has_inners = 1;
 				}
 			else
 				for (i = comp_layer; i >= solder_layer; i--) {
 					photo_groups[n++] = i;
-					if (i != comp_layer && i != solder_layer && !pcb_is_layergrp_empty(i))
+					if (i != comp_layer && i != solder_layer && !pcb_is_layergrp_empty(PCB, i))
 						photo_has_inners = 1;
 				}
 			if (!photo_has_inners) {
Index: trunk/src_plugins/export_ps/eps.c
===================================================================
--- trunk/src_plugins/export_ps/eps.c	(revision 7737)
+++ trunk/src_plugins/export_ps/eps.c	(revision 7738)
@@ -367,7 +367,7 @@
 	if ((flags & PCB_LYT_ASSY) || (flags & PCB_LYT_FAB) || (flags & PCB_LYT_CSECT) || (flags & PCB_LYT_INVIS))
 		return 0;
 
-	if ((group >= 0) && pcb_is_layergrp_empty(group) && (flags & PCB_LYT_OUTLINE))
+	if ((group >= 0) && pcb_is_layergrp_empty(PCB, group) && (flags & PCB_LYT_OUTLINE))
 		return 0;
 
 	is_drill = ((flags & PCB_LYT_PDRILL) || (flags & PCB_LYT_UDRILL));
Index: trunk/src_plugins/export_ps/ps.c
===================================================================
--- trunk/src_plugins/export_ps/ps.c	(revision 7737)
+++ trunk/src_plugins/export_ps/ps.c	(revision 7738)
@@ -776,7 +776,7 @@
 	if (is_empty)
 		return 0;
 
-	if ((group >= 0) && pcb_is_layergrp_empty(group))
+	if ((group >= 0) && pcb_is_layergrp_empty(PCB, group))
 		return 0;
 
 	if (flags & PCB_LYT_INVIS)