diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2017-07-26 12:59:29 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-07-26 12:25:23 +0100 |
| commit | f325b73dc4db9d6c2393805b4f468e82d730764e (patch) | |
| tree | 93a087d81bf2ed839b4e4d10aba63127ba976162 | |
| parent | 5771a8c08880cdca3bfb4a3fc6d309d6bba20877 (diff) | |
| download | lwn-f325b73dc4db9d6c2393805b4f468e82d730764e.tar.gz lwn-f325b73dc4db9d6c2393805b4f468e82d730764e.zip | |
spi: tools: move to tools buildsystem
There is a nice buildsystem dedicated for userspace tools in Linux kernel tree.
Switch spi target to be built by it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | tools/spi/Build | 2 | ||||
| -rw-r--r-- | tools/spi/Makefile | 56 |
2 files changed, 56 insertions, 2 deletions
diff --git a/tools/spi/Build b/tools/spi/Build new file mode 100644 index 000000000000..8e8466033d99 --- /dev/null +++ b/tools/spi/Build @@ -0,0 +1,2 @@ +spidev_test-y += spidev_test.o +spidev_fdx-y += spidev_fdx.o diff --git a/tools/spi/Makefile b/tools/spi/Makefile index 3815b18ba070..aa9517260715 100644 --- a/tools/spi/Makefile +++ b/tools/spi/Makefile @@ -1,6 +1,58 @@ +include ../scripts/Makefile.include + +ifeq ($(srctree),) +srctree := $(patsubst %/,%,$(dir $(CURDIR))) +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 +LD = $(CROSS_COMPILE)ld +CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include + +ALL_TARGETS := spidev_test spidev_fdx +ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS)) + +all: $(ALL_PROGRAMS) + +export srctree OUTPUT CC LD CFLAGS +include $(srctree)/tools/build/Makefile.include -all: spidev_test spidev_fdx +# +# We need the following to be outside of kernel tree +# +$(OUTPUT)include/linux/spi/spidev.h: ../../include/uapi/linux/spi/spidev.h + mkdir -p $(OUTPUT)include/linux/spi 2>&1 || true + ln -sf $(CURDIR)/../../include/uapi/linux/spi/spidev.h $@ + +prepare: $(OUTPUT)include/linux/spi/spidev.h + +# +# spidev_test +# +SPIDEV_TEST_IN := $(OUTPUT)spidev_test-in.o +$(SPIDEV_TEST_IN): prepare FORCE + $(Q)$(MAKE) $(build)=spidev_test +$(OUTPUT)spidev_test: $(SPIDEV_TEST_IN) + $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ + +# +# spidev_fdx +# +SPIDEV_FDX_IN := $(OUTPUT)spidev_fdx-in.o +$(SPIDEV_FDX_IN): prepare FORCE + $(Q)$(MAKE) $(build)=spidev_fdx +$(OUTPUT)spidev_fdx: $(SPIDEV_FDX_IN) + $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ clean: - $(RM) spidev_test spidev_fdx + rm -f $(ALL_PROGRAMS) + rm -f $(OUTPUT)include/linux/spi/spidev.h + find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete + +FORCE: + +.PHONY: all clean FORCE prepare |