X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2Fcontribs%2FLAMBDA-TYPES%2FMakefile;h=42bd7b8fd94f2e5935183e080dd540521f56668d;hb=5eb10ed1a0a64b09e36dfb5f29774ada50fd37c6;hp=5e651970a0fbf8be681cb3eb66b9e8d81e317909;hpb=d2194c4b6be02eb5072aa338495429638d980c1a;p=helm.git

diff --git a/helm/matita/contribs/LAMBDA-TYPES/Makefile b/helm/matita/contribs/LAMBDA-TYPES/Makefile
index 5e651970a..42bd7b8fd 100644
--- a/helm/matita/contribs/LAMBDA-TYPES/Makefile
+++ b/helm/matita/contribs/LAMBDA-TYPES/Makefile
@@ -33,7 +33,7 @@ verbose:
 	$(H)$(MAKE) MATITAC='$(MATITACOPT)' MATITACLEAN='$(MATITACLEANOPT)' MATITADEP='$(MATITADEPOPT)' $(@:%.opt=%)
 
 clean_:
-	rm -r __*not_for_matita
+	rm -f __*not_for_matita
 
 clean: clean_
 	$(H)$(MATITACLEAN) $(SRC)