Declare PHONY targets in root Makefile

Author: cocasema

Makefile

@@ -1,3 +1,6 @@
+
+all: build # build2 build3
+
 time:
 	/usr/bin/ntpdate -b -s -u pool.ntp.org
 
@@ -9,6 +12,7 @@ clean:
 	rm -f *.pyo
 	rm -f *.egg
 	rm -f overlays/*.pyo overlays/*.pyc
+
 tests:
 	py.test
 
@@ -30,3 +34,8 @@ build3:
 install3: build3
 	python3 setup.py install --force
 
+.PHONY: all clean
+.PHONY: tests
+.PHONY: build  install
+.PHONY: build2 install2
+.PHONY: build3 install3