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spi: tools: move to tools buildsystem

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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>
This commit is contained in:
Andy Shevchenko 2017-07-26 12:59:29 +03:00 committed by Mark Brown
parent 5771a8c088
commit f325b73dc4
2 changed files with 57 additions and 3 deletions
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2
tools/spi/Build Normal file
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@ -0,0 +1,2 @@
spidev_test-y += spidev_test.o
spidev_fdx-y += spidev_fdx.o

58
tools/spi/Makefile
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@ -1,6 +1,58 @@
CC = $(CROSS_COMPILE)gcc
include ../scripts/Makefile.include
all: spidev_test spidev_fdx
ifeq ($(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
#
# 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