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- # SPDX-License-Identifier: GPL-2.0
- APIDIR := ../../../../include/uapi
- TEST_GEN_FILES = action.o
- top_srcdir = ../../../../..
- include ../../lib.mk
- CLANG ?= clang
- LLC ?= llc
- PROBE := $(shell $(LLC) -march=bpf -mcpu=probe -filetype=null /dev/null 2>&1)
- ifeq ($(PROBE),)
- CPU ?= probe
- else
- CPU ?= generic
- endif
- CLANG_SYS_INCLUDES := $(shell $(CLANG) -v -E - </dev/null 2>&1 \
- | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }')
- CLANG_FLAGS = -I. -I$(APIDIR) \
- $(CLANG_SYS_INCLUDES) \
- -Wno-compare-distinct-pointer-types
- $(OUTPUT)/%.o: %.c
- $(CLANG) $(CLANG_FLAGS) \
- -O2 -target bpf -emit-llvm -c $< -o - | \
- $(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@
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