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# SPDX-License-Identifier: GPL-2.0
include ../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
# builds
ifndef building_out_of_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
ALL_TARGETS := dma_map_benchmark
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/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
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