kernel/bpf/preload/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2
   3 LIBBPF_SRCS = $(srctree)/tools/lib/bpf/
   4 LIBBPF_A = $(obj)/libbpf.a
   5 LIBBPF_OUT = $(abspath $(obj))
   6
   7 # Although not in use by libbpf's Makefile, set $(O) so that the "dummy" test
   8 # in tools/scripts/Makefile.include always succeeds when building the kernel
   9 # with $(O) pointing to a relative path, as in "make O=build bindeb-pkg".
  10 $(LIBBPF_A):
  11         $(Q)$(MAKE) -C $(LIBBPF_SRCS) O=$(LIBBPF_OUT)/ OUTPUT=$(LIBBPF_OUT)/ $(LIBBPF_OUT)/libbpf.a
  12
  13 userccflags += -I $(srctree)/tools/include/ -I $(srctree)/tools/include/uapi \
  14         -I $(srctree)/tools/lib/ -Wno-unused-result
  15
  16 userprogs := bpf_preload_umd
  17
  18 clean-files := $(userprogs) bpf_helper_defs.h FEATURE-DUMP.libbpf staticobjs/ feature/
  19
  20 bpf_preload_umd-objs := iterators/iterators.o
  21 bpf_preload_umd-userldlibs := $(LIBBPF_A) -lelf -lz
  22
  23 $(obj)/bpf_preload_umd: $(LIBBPF_A)
  24
  25 $(obj)/bpf_preload_umd_blob.o: $(obj)/bpf_preload_umd
  26
  27 obj-$(CONFIG_BPF_PRELOAD_UMD) += bpf_preload.o
  28 bpf_preload-objs += bpf_preload_kern.o bpf_preload_umd_blob.o