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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556# SPDX-License-Identifier: GPL-2.0include ../scripts/Makefile.include
bindir ?= /usr/bin
# This will work when dma is built in tools env. where srctree# isn't set and when invoked from selftests build, where srctree# is set to ".". building_out_of_srctree is undefined for in srctree# buildsifndef building_out_of_srctreesrctree := $(patsubst %/,%,$(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
ALL_TARGETS := dma_map_benchmarkALL_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/map_benchmark.h: ../../include/uapi/linux/map_benchmark.h mkdir -p $(OUTPUT)include/linux 2>&1 || true ln -sf $(CURDIR)/../../include/uapi/linux/map_benchmark.h $@
prepare: $(OUTPUT)include/linux/map_benchmark.h
FORCE:
DMA_MAP_BENCHMARK = dma_map_benchmark$(DMA_MAP_BENCHMARK): prepare FORCE $(CC) $(CFLAGS) $(DMA_MAP_BENCHMARK).c -o $(DMA_MAP_BENCHMARK)
clean: rm -f $(ALL_PROGRAMS) rm -rf $(OUTPUT)include find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete -o -name '\.*.cmd' -delete
install: $(ALL_PROGRAMS) install -d -m 755 $(DESTDIR)$(bindir); \ for program in $(ALL_PROGRAMS); do \ install $$program $(DESTDIR)$(bindir); \ done
.PHONY: all install clean prepare FORCE