Index: serf-1.2.1/Makefile.in
===================================================================
--- serf-1.2.1.orig/Makefile.in	2013-07-11 14:41:08.390868031 +0200
+++ serf-1.2.1/Makefile.in	2013-07-11 14:41:08.386868032 +0200
@@ -140,7 +140,7 @@
 
 clean:
 	rm -f $(TARGET_LIB) $(OBJECTS) $(OBJECTS:.lo=.o) $(PROGRAMS) $(TEST_OBJECTS) $(TEST_OBJECTS:.lo=.o) $(TEST_SUITE_OBJECTS) $(TEST_SUITE_OBJECTS:.lo=.o)
-	for subdir in . buckets test; do \
+	for subdir in . auth buckets test test/server; do \
 		(cd $$subdir && rm -rf .libs) ; \
 	done