--- pym.orig/portage.py	2003-12-10 21:45:47.163244480 +0100
+++ pym/portage.py	2003-12-10 21:46:06.504947325 +0100
@@ -4039,6 +4039,15 @@
 		auxcache_is_valid = self.auxcache[cat].has_key(pkg) and \
 		                    self.auxcache[cat][pkg].has_key("mtime") and \
 		                    self.auxcache[cat][pkg]["mtime"] == emtime
+
+		# noslotcache: ignore the cache entry in case we ask for a dynamic slot
+		if auxcache_is_valid and ("SLOT" in mylist) and self.auxcache[cat][pkg].has_key("RESTRICT"):
+			if "noslotcache" in self.auxcache[cat][pkg]["RESTRICT"].split():
+				doregen=1
+				usingmdcache=1
+				if debug > 1:
+					writemsg("auxcache was valid for "+str(pkg)+" but we don't trust it for SLOT.\n")
+
 		if auxcache_is_valid:
 			if debug > 1:
 				writemsg("auxcache is valid: "+str(auxcache_is_valid)+" "+str(pkg)+"\n")