http://bugs.gentoo.org/126080

--- src/Makefile
+++ src/Makefile
@@ -220,7 +220,7 @@
 # build targets
 # -----------------------------------------------------------------------------
 
-all: libgame_dir game_em_dir $(PROGNAME)
+all: $(PROGNAME)
 
 $(PROGNAME): $(RNDLIBS) $(TIMESTAMP_FILE) $(OBJS) $(ICON)
 	$(CC) $(PROFILING) $(OBJS) $(ICON) $(RNDLIBS) $(LDFLAGS) -o $(PROGNAME)