--- a/Makefile.in	2015-01-13 08:52:30.000000000 +0100
+++ b/Makefile.in	2015-01-13 08:52:58.000000000 +0100
@@ -30,6 +30,7 @@
 subdirs = src doc
 
 RECURSIVE_TARGETS = all allbin alldoc tags clean distclean realclean install
+.PHONY: $(RECURSIVE_TARGETS)
 
 #-------------------------------------------------------------------------