use variable to recurse make

diff --git a/examples/input/touch-screen/Makefile b/examples/input/touch-screen/Makefile
index c21562a30d8a7695b53f736364acbe548ade69e2..8dce08d22b4a5acf90c270bf2534e37e5f6bcc42 100755 (executable)
--- a/examples/input/touch-screen/Makefile
+++ b/examples/input/touch-screen/Makefile
@@ -120,7 +120,7 @@ all: $(BUILD)
 
 $(BUILD):
        @[ -d $@ ] || mkdir -p $@
-       @make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+       @$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
 
 #---------------------------------------------------------------------------------
 clean: