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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364# SPDX-License-Identifier: GPL-2.0include ../scripts/Makefile.include
bindir ?= /usr/bin
ifeq ($(srctree),)srctree := $(patsubst %/,%,$(dir $(CURDIR)))srctree := $(patsubst %/,%,$(dir $(srctree)))endif
# Do not use make's built-in rules# (this improves performance and avoids hard-to-debug behaviour);MAKEFLAGS += -r
override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include \ -I$(srctree)/tools/include
ALL_TARGETS := counter_example counter_watch_eventsALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
all: $(ALL_PROGRAMS)
export srctree OUTPUT CC LD CFLAGSinclude $(srctree)/tools/build/Makefile.include
## We need the following to be outside of kernel tree#$(OUTPUT)include/linux/counter.h: ../../include/uapi/linux/counter.h mkdir -p $(OUTPUT)include/linux 2>&1 || true ln -sf $(CURDIR)/../../include/uapi/linux/counter.h $@
prepare: $(OUTPUT)include/linux/counter.h
COUNTER_EXAMPLE := $(OUTPUT)counter_example.o$(COUNTER_EXAMPLE): prepare FORCE $(Q)$(MAKE) $(build)=counter_example$(OUTPUT)counter_example: $(COUNTER_EXAMPLE) $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
COUNTER_WATCH_EVENTS := $(OUTPUT)counter_watch_events.o$(COUNTER_WATCH_EVENTS): prepare FORCE $(Q)$(MAKE) $(build)=counter_watch_events$(OUTPUT)counter_watch_events: $(COUNTER_WATCH_EVENTS) $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
clean: rm -f $(ALL_PROGRAMS) rm -rf $(OUTPUT)include/linux/counter.h rm -df $(OUTPUT)include/linux rm -df $(OUTPUT)include find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete find $(or $(OUTPUT),.) -name '\.*.o.cmd' -delete
install: $(ALL_PROGRAMS) install -d -m 755 $(DESTDIR)$(bindir); \ for program in $(ALL_PROGRAMS); do \ install $$program $(DESTDIR)$(bindir); \ done
FORCE:
.PHONY: all install clean FORCE prepare