fix Makefile

Makefile

@@ -7,14 +7,15 @@ ARFLAGS = rcs
 
 PREFIX ?= /usr
 
-def: compile_library
+def:
+	@echo Run make install
 
 install_header:
 	[ ! -d $(PREFIX)/include/rlib ] || rm -rf $(PREFIX)/include/rlib
 	cp -r . $(PREFIX)/include/rlib
 	rm -rf $(PREFIX)/include/rlib/test $(PREFIX)/include/rlib/.git
 
-install_cmake: install_library
+install_cmake:
 	[ ! -d $(PREFIX)/lib/cmake/rlib ] || rm -rf $(PREFIX)/lib/cmake/rlib
 	[ ! -d $(PREFIX)/lib/cmake ] || cp -r cmake $(PREFIX)/lib/cmake/rlib