fix calling makefile on specific files

ebb51092 · Ralf Jung · bbda866b · ebb51092
Commit ebb51092 authored Aug 19, 2016 by Ralf Jung
--- a/Makefile
+++ b/Makefile
 # Makefile originally taken from coq-club

-%: Makefile.coq
+%: Makefile.coq phony
 	+make -f Makefile.coq $@

 all: Makefile.coq
@@ -17,4 +17,6 @@ _CoqProject: ;

 Makefile: ;

-.PHONY: all clean
+phony: ;
+
+.PHONY: all clean phony