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68 lines
1.7 KiB
68 lines
1.7 KiB
# SPDX-License-Identifier: GPL-2.0-only |
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include ../scripts/Makefile.include |
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bindir ?= /usr/bin |
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ifeq ($(srctree),) |
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srctree := $(patsubst %/,%,$(dir $(CURDIR))) |
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srctree := $(patsubst %/,%,$(dir $(srctree))) |
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endif |
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# Do not use make's built-in rules |
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# (this improves performance and avoids hard-to-debug behaviour); |
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MAKEFLAGS += -r |
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CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include |
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ALL_TARGETS := spidev_test spidev_fdx |
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ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS)) |
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all: $(ALL_PROGRAMS) |
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export srctree OUTPUT CC LD CFLAGS |
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include $(srctree)/tools/build/Makefile.include |
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# |
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# We need the following to be outside of kernel tree |
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# |
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$(OUTPUT)include/linux/spi: ../../include/uapi/linux/spi |
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mkdir -p $(OUTPUT)include/linux/spi 2>&1 || true |
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ln -sf $(CURDIR)/../../include/uapi/linux/spi/spidev.h $@ |
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ln -sf $(CURDIR)/../../include/uapi/linux/spi/spi.h $@ |
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prepare: $(OUTPUT)include/linux/spi |
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# |
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# spidev_test |
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# |
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SPIDEV_TEST_IN := $(OUTPUT)spidev_test-in.o |
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$(SPIDEV_TEST_IN): prepare FORCE |
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$(Q)$(MAKE) $(build)=spidev_test |
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$(OUTPUT)spidev_test: $(SPIDEV_TEST_IN) |
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$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ |
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# |
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# spidev_fdx |
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# |
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SPIDEV_FDX_IN := $(OUTPUT)spidev_fdx-in.o |
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$(SPIDEV_FDX_IN): prepare FORCE |
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$(Q)$(MAKE) $(build)=spidev_fdx |
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$(OUTPUT)spidev_fdx: $(SPIDEV_FDX_IN) |
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$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ |
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clean: |
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rm -f $(ALL_PROGRAMS) |
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rm -rf $(OUTPUT)include/ |
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find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete |
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find $(if $(OUTPUT),$(OUTPUT),.) -name '\.*.o.d' -delete |
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find $(if $(OUTPUT),$(OUTPUT),.) -name '\.*.o.cmd' -delete |
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install: $(ALL_PROGRAMS) |
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install -d -m 755 $(DESTDIR)$(bindir); \ |
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for program in $(ALL_PROGRAMS); do \ |
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install $$program $(DESTDIR)$(bindir); \ |
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done |
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FORCE: |
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.PHONY: all install clean FORCE prepare
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