linux-stable/tools/gpio/Makefile

CC = $(CROSS_COMPILE)gcc
CFLAGS += -Wall -g -D_GNU_SOURCE

all: lsgpio

lsgpio: lsgpio.o gpio-utils.o

%.o: %.c gpio-utils.h

.PHONY: clean
clean:
	rm -f *.o lsgpio
tools/gpio: create GPIO tools This creates GPIO tools under tools/gpio/* and adds a single example program to list the GPIOs on a system. When proper devices are created it provides this minimal output: Cc: Johan Hovold <johan@kernel.org> Cc: Michael Welling <mwelling@ieee.org> Cc: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> 2015-10-21 13:45:54 +00:00			`CC = $(CROSS_COMPILE)gcc`
			`CFLAGS += -Wall -g -D_GNU_SOURCE`

			`all: lsgpio`

			`lsgpio: lsgpio.o gpio-utils.o`

			`%.o: %.c gpio-utils.h`

			`.PHONY: clean`
			`clean:`
			`rm -f *.o lsgpio`