diff --git a/Makefile b/Makefile
index 8ab1a9f3..17596125 100644
--- a/Makefile
+++ b/Makefile
@@ -22,10 +22,13 @@ SUBDIRS = inst/pre \
 ifneq ($(wildcard $(MODDIR)/make/ytools.mk),)
 
 all:
+	echo hallo
 	$(make_subdirs_target)
-clean: # distclean:
-	rm -rf $(CLEAN)
+
+clean distclean:
+	rm -rf $(CLEAN) $(DISTCLEAN)
 	$(make_subdirs_target)
+
 install: all
 	$(make_subdirs_target)
 	make $(INSTALLED_VERSION_FILE)
diff --git a/make/autoconf.mk b/make/autoconf.mk
index 3666b1cb..179725dd 100644
--- a/make/autoconf.mk
+++ b/make/autoconf.mk
@@ -5,7 +5,7 @@
 
 CLEAN += $(wildcard *.acdone)
 DISTCLEAN += configure config.log autoscan.log configure.ac config.status
-AC_FILES_IN = $(shell find . -name '*.in' | grep -v contrib)
+AC_FILES_IN = $(shell find . -name '*.in' | grep -ve "contrib\|dist")
 AC_FILES    = $(basename $(AC_FILES_IN))
 
 all: config $(AC_FILES)