tools/testing/selftests/bpf/Makefile

   1 LIBDIR := ../../../lib
   2 BPFDIR := $(LIBDIR)/bpf
   3
   4 CFLAGS += -Wall -O2 -I../../../include/uapi -I$(LIBDIR) -I../../../include
   5 LDLIBS += -lcap -lelf
   6
   7 TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs
   8
   9 TEST_GEN_FILES = test_pkt_access.o test_xdp.o test_l4lb.o
  10
  11 TEST_PROGS := test_kmod.sh
  12
  13 include ../lib.mk
  14
  15 BPFOBJ := $(OUTPUT)/libbpf.a
  16
  17 $(TEST_GEN_PROGS): $(BPFOBJ)
  18
  19 .PHONY: force
  20
  21 # force a rebuild of BPFOBJ when its dependencies are updated
  22 force:
  23
  24 $(BPFOBJ): force
  25         $(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/
  26
  27 CLANG ?= clang
  28
  29 %.o: %.c
  30         $(CLANG) -I../../../include/uapi -I../../../../samples/bpf/ \
  31                 -D__x86_64__ -Wno-compare-distinct-pointer-types \
  32                 -O2 -target bpf -c $< -o $@