RIOT/sys/arduino/Makefile.include

# compile together the Arduino sketches of the application
SKETCHES = $(wildcard $(APPDIR)/*.sketch)
SRCDIR = $(RIOTBASE)/sys/arduino

# run the Arduino pre-build script
$(shell $(RIOTBASE)/dist/tools/arduino/pre_build.sh $(SRCDIR) $(APPDIR) $(SKETCHES))

# include the Arduino headers
INCLUDES += -I$(RIOTBASE)/sys/arduino/include
sys: added module for running Arduino code 8 years ago			`# compile together the Arduino sketches of the application`
make: remove trailing slash from BINDIR variable 7 years ago			`SKETCHES = $(wildcard $(APPDIR)/*.sketch)`
sys: added module for running Arduino code 8 years ago			`SRCDIR = $(RIOTBASE)/sys/arduino`

			`# run the Arduino pre-build script`
			`$(shell $(RIOTBASE)/dist/tools/arduino/pre_build.sh $(SRCDIR) $(APPDIR) $(SKETCHES))`

			`# include the Arduino headers`
sys/arduino: make arduino sketch works on avr based boards 7 years ago			`INCLUDES += -I$(RIOTBASE)/sys/arduino/include`