Don't delete old dependency file unless new one builds.

diff --git a/Makefile.am b/Makefile.am
index 8a0be7c..09cb806 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -222,7 +222,6 @@ docs:
 depend: .depend
 
 .depend: $(wildcard *.mli) $(wildcard *.ml)
-       rm -f $@ $@-t
        $(OCAMLFIND) ocamldep $(OCAMLPACKAGES) $^ | \
          $(SED) -e :a -e '/ *\\$$/N; s/ *\\\n */ /; ta' | \
          sort > $@-t