| # 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 $@ |
