Add a 'distclean' Makefile top-level target

This cleans up a little more than "make clean",
in particular removing files generated from templates,
and automake-generated files in iscsiuio.

Also, a ".PHONY:" target was added where needed
so that each Makefile has a complete list of
phony targets.

1 files changed, 5 insertions, 1 deletions

diff --git a/doc/Makefile b/doc/Makefile
index 9ed025d..7267dfc 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -47,5 +47,9 @@ $(MANPAGES_DEST): $(MAN8DIR)/%: %
 $(MAN8DIR):
 	[ -d $@ ] || $(INSTALL) -d $@
 
-clean:
+clean: ;
+
+distclean:
 	$(RM) $(MANPAGES_GENERATED)
+
+.PHONY: all install install_doc clean distclean