makefile for windows

tests/Makefile

+ifeq ($(OS), Windows_NT)
+DETECTED_OS=Windows
+else
+DETECTED_OS=POSIX
+endif
+
+all: listDevices
+
+%: %.prj %.icl 
+	cpm $<
+
 %.prj:
 	cpm project $(basename $@) create
 	cpm project $@ target iTasks
 	cpm project $@ set -h 2000m -s 20m -dynamics
 	cpm project $@ root ..
-	cpm project $@ path add "$$PWD/../POSIX"
+	cpm project $@ path add "$$PWD/../$(DETECTED_OS)"
 	cpm project $@ path add "$$PWD/.."