162306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0
262306a36Sopenharmony_ciinclude ../scripts/Makefile.include
362306a36Sopenharmony_ci
462306a36Sopenharmony_cibindir ?= /usr/bin
562306a36Sopenharmony_ci
662306a36Sopenharmony_ciifeq ($(srctree),)
762306a36Sopenharmony_cisrctree := $(patsubst %/,%,$(dir $(CURDIR)))
862306a36Sopenharmony_cisrctree := $(patsubst %/,%,$(dir $(srctree)))
962306a36Sopenharmony_ciendif
1062306a36Sopenharmony_ci
1162306a36Sopenharmony_ci# Do not use make's built-in rules
1262306a36Sopenharmony_ci# (this improves performance and avoids hard-to-debug behaviour);
1362306a36Sopenharmony_ciMAKEFLAGS += -r
1462306a36Sopenharmony_ci
1562306a36Sopenharmony_cioverride CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
1662306a36Sopenharmony_ci
1762306a36Sopenharmony_ciALL_TARGETS := counter_example
1862306a36Sopenharmony_ciALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
1962306a36Sopenharmony_ci
2062306a36Sopenharmony_ciall: $(ALL_PROGRAMS)
2162306a36Sopenharmony_ci
2262306a36Sopenharmony_ciexport srctree OUTPUT CC LD CFLAGS
2362306a36Sopenharmony_ciinclude $(srctree)/tools/build/Makefile.include
2462306a36Sopenharmony_ci
2562306a36Sopenharmony_ci#
2662306a36Sopenharmony_ci# We need the following to be outside of kernel tree
2762306a36Sopenharmony_ci#
2862306a36Sopenharmony_ci$(OUTPUT)include/linux/counter.h: ../../include/uapi/linux/counter.h
2962306a36Sopenharmony_ci	mkdir -p $(OUTPUT)include/linux 2>&1 || true
3062306a36Sopenharmony_ci	ln -sf $(CURDIR)/../../include/uapi/linux/counter.h $@
3162306a36Sopenharmony_ci
3262306a36Sopenharmony_ciprepare: $(OUTPUT)include/linux/counter.h
3362306a36Sopenharmony_ci
3462306a36Sopenharmony_ciCOUNTER_EXAMPLE := $(OUTPUT)counter_example.o
3562306a36Sopenharmony_ci$(COUNTER_EXAMPLE): prepare FORCE
3662306a36Sopenharmony_ci	$(Q)$(MAKE) $(build)=counter_example
3762306a36Sopenharmony_ci$(OUTPUT)counter_example: $(COUNTER_EXAMPLE)
3862306a36Sopenharmony_ci	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
3962306a36Sopenharmony_ci
4062306a36Sopenharmony_ciclean:
4162306a36Sopenharmony_ci	rm -f $(ALL_PROGRAMS)
4262306a36Sopenharmony_ci	rm -rf $(OUTPUT)include/linux/counter.h
4362306a36Sopenharmony_ci	rm -df $(OUTPUT)include/linux
4462306a36Sopenharmony_ci	rm -df $(OUTPUT)include
4562306a36Sopenharmony_ci	find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
4662306a36Sopenharmony_ci
4762306a36Sopenharmony_ciinstall: $(ALL_PROGRAMS)
4862306a36Sopenharmony_ci	install -d -m 755 $(DESTDIR)$(bindir);		\
4962306a36Sopenharmony_ci	for program in $(ALL_PROGRAMS); do		\
5062306a36Sopenharmony_ci		install $$program $(DESTDIR)$(bindir);	\
5162306a36Sopenharmony_ci	done
5262306a36Sopenharmony_ci
5362306a36Sopenharmony_ciFORCE:
5462306a36Sopenharmony_ci
5562306a36Sopenharmony_ci.PHONY: all install clean FORCE prepare
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