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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2016-06-19 23:41:11 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-06-23 11:07:13 +0200 |
| commit | 8674cea84dc6c0b98d8f45d6f2cf348864aabf1b (patch) | |
| tree | 8c6443596936ff2eead94a4ef52fc9ed95ca20a7 /tools/gpio | |
| parent | dd3b204af11b50be6dc77e18b88b3c646bba354c (diff) | |
| download | lwn-8674cea84dc6c0b98d8f45d6f2cf348864aabf1b.tar.gz lwn-8674cea84dc6c0b98d8f45d6f2cf348864aabf1b.zip | |
tools/gpio: move to tools buildsystem
There is a nice buildsystem dedicated for userspace tools in Linux kernel tree.
Switch gpio target to be built by it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Tested-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'tools/gpio')
| -rw-r--r-- | tools/gpio/Build | 3 | ||||
| -rw-r--r-- | tools/gpio/Makefile | 69 |
2 files changed, 64 insertions, 8 deletions
diff --git a/tools/gpio/Build b/tools/gpio/Build new file mode 100644 index 000000000000..620c1937d957 --- /dev/null +++ b/tools/gpio/Build @@ -0,0 +1,3 @@ +lsgpio-y += lsgpio.o gpio-utils.o +gpio-hammer-y += gpio-hammer.o gpio-utils.o +gpio-event-mon-y += gpio-event-mon.o gpio-utils.o diff --git a/tools/gpio/Makefile b/tools/gpio/Makefile index 619314ff9bd6..5a82f15d0071 100644 --- a/tools/gpio/Makefile +++ b/tools/gpio/Makefile @@ -1,14 +1,67 @@ +include ../scripts/Makefile.include + +ifeq ($(srctree),) +srctree := $(patsubst %/,%,$(dir $(shell pwd))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +endif + +# Do not use make's built-in rules +# (this improves performance and avoids hard-to-debug behaviour); +MAKEFLAGS += -r + CC = $(CROSS_COMPILE)gcc -CFLAGS += -O2 -Wall -g -D_GNU_SOURCE +LD = $(CROSS_COMPILE)ld +CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include + +ALL_TARGETS := lsgpio gpio-hammer gpio-event-mon +ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS)) + +all: $(ALL_PROGRAMS) -all: lsgpio gpio-hammer gpio-event-mon +export srctree OUTPUT CC LD CFLAGS +include $(srctree)/tools/build/Makefile.include -lsgpio: lsgpio.o gpio-utils.o -gpio-hammer: gpio-hammer.o gpio-utils.o -gpio-event-mon: gpio-event-mon.o gpio-utils.o +# +# We need the following to be outside of kernel tree +# +$(OUTPUT)include/linux/gpio.h: ../../include/uapi/linux/gpio.h + mkdir -p $(OUTPUT)include/linux 2>&1 || true + ln -sf $(CURDIR)/../../include/uapi/linux/gpio.h $@ -%.o: %.c gpio-utils.h +prepare: $(OUTPUT)include/linux/gpio.h + +# +# lsgpio +# +LSGPIO_IN := $(OUTPUT)lsgpio-in.o +$(LSGPIO_IN): prepare FORCE + $(Q)$(MAKE) $(build)=lsgpio +$(OUTPUT)lsgpio: $(LSGPIO_IN) + $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ + +# +# gpio-hammer +# +GPIO_HAMMER_IN := $(OUTPUT)gpio-hammer-in.o +$(GPIO_HAMMER_IN): prepare FORCE + $(Q)$(MAKE) $(build)=gpio-hammer +$(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN) + $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ + +# +# gpio-event-mon +# +GPIO_EVENT_MON_IN := $(OUTPUT)gpio-event-mon-in.o +$(GPIO_EVENT_MON_IN): prepare FORCE + $(Q)$(MAKE) $(build)=gpio-event-mon +$(OUTPUT)gpio-event-mon: $(GPIO_EVENT_MON_IN) + $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ -.PHONY: clean clean: - rm -f *.o lsgpio gpio-hammer gpio-event-mon + rm -f $(ALL_PROGRAMS) + rm -f $(OUTPUT)include/linux/gpio.h + find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete + +FORCE: + +.PHONY: all clean FORCE prepare |