Index: trunk/src/obj_common.c
===================================================================
--- trunk/src/obj_common.c	(revision 27379)
+++ trunk/src/obj_common.c	(revision 27380)
@@ -175,6 +175,10 @@
 		}
 		obj->intnoconn = cid;
 	}
+	else if (strncmp(name, "noexport", 8) == 0) {
+		obj->noexport = 1;
+		obj->noexport_named = (name[8] == ':');
+	}
 }
 
 const char *pcb_obj_id_invalid(const char *id)
Index: trunk/src/obj_common.h
===================================================================
--- trunk/src/obj_common.h	(revision 27379)
+++ trunk/src/obj_common.h	(revision 27380)
@@ -188,6 +188,8 @@
 	void                 *ratconn; \
 	unsigned char        thermal; \
 	unsigned char        intconn, intnoconn; \
+	unsigned int         noexport:1; \
+	unsigned int         noexport_named:1; \
 	const pcb_color_t    *override_color
 
 /* Lines, pads, and rats all use this so they can be cross-cast.  */
@@ -239,6 +241,23 @@
 #define pcb_obj_id_del(data, obj) \
 	htip_pop(&(data)->id2obj, (obj)->ID)
 
+/* Figure object's noexport attribute vs. the current exporter and run
+   inhibit if object should not be exported. On GUI, draw the no-export mark
+   at x;y */
+#define pcb_obj_noexport(info, obj, inhibit) \
+do { \
+	if (obj->noexport) { \
+		if (info->exporting) { \
+			if (!obj->noexport_named || (pcb_attribute_get(&obj->Attributes, info->noexport_name) != NULL)) { \
+				inhibit; \
+			} \
+		} \
+		else \
+			pcb_draw_delay_label_add((pcb_any_obj_t *)obj); \
+	} \
+} while(0)
+
+
 #define pcb_hidden_floater(obj) (conf_core.editor.hide_names && PCB_FLAG_TEST(PCB_FLAG_FLOATER, (obj)))
 
 /* Returns whether a subc part object is editable (not under the subc lock) */