1LIBDIR := ../../../lib 2BPFDIR := $(LIBDIR)/bpf 3APIDIR := ../../../include/uapi 4GENDIR := ../../../../include/generated 5GENHDR := $(GENDIR)/autoconf.h 6 7ifneq ($(wildcard $(GENHDR)),) 8 GENFLAGS := -DHAVE_GENHDR 9endif 10 11CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include 12LDLIBS += -lcap -lelf 13 14TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \ 15 test_align 16 17TEST_GEN_FILES = test_pkt_access.o test_xdp.o test_l4lb.o test_tcp_estats.o test_obj_id.o \ 18 test_pkt_md_access.o 19 20TEST_PROGS := test_kmod.sh 21 22include ../lib.mk 23 24BPFOBJ := $(OUTPUT)/libbpf.a 25 26$(TEST_GEN_PROGS): $(BPFOBJ) 27 28.PHONY: force 29 30# force a rebuild of BPFOBJ when its dependencies are updated 31force: 32 33$(BPFOBJ): force 34 $(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/ 35 36CLANG ?= clang 37 38%.o: %.c 39 $(CLANG) -I. -I./include/uapi -I../../../include/uapi \ 40 -I../../../../samples/bpf/ \ 41 -Wno-compare-distinct-pointer-types \ 42 -O2 -target bpf -c $< -o $@ 43