tools/testing/selftests/bpf/Makefile

   1 LIBDIR := ../../../lib
   2 BPFDIR := $(LIBDIR)/bpf
   3 APIDIR := ../../../include/uapi
   4 GENDIR := ../../../../include/generated
   5 GENHDR := $(GENDIR)/autoconf.h
   6
   7 ifneq ($(wildcard $(GENHDR)),)
   8   GENFLAGS := -DHAVE_GENHDR
   9 endif
  10
  11 CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include
  12 LDLIBS += -lcap -lelf
  13
  14 TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs
  15
  16 TEST_GEN_FILES = test_pkt_access.o test_xdp.o test_l4lb.o test_tcp_estats.o
  17
  18 TEST_PROGS := test_kmod.sh
  19
  20 include ../lib.mk
  21
  22 BPFOBJ := $(OUTPUT)/libbpf.a
  23
  24 $(TEST_GEN_PROGS): $(BPFOBJ)
  25
  26 .PHONY: force
  27
  28 # force a rebuild of BPFOBJ when its dependencies are updated
  29 force:
  30
  31 $(BPFOBJ): force
  32         $(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/
  33
  34 CLANG ?= clang
  35
  36 %.o: %.c
  37         $(CLANG) -I../../../include/uapi -I../../../../samples/bpf/ \
  38                 -D__x86_64__ -Wno-compare-distinct-pointer-types \
  39                 -O2 -target bpf -c $< -o $@