# SPDX-License-Identifier: GPL-2.0 LIBBPF_SRCS = $(srctree)/tools/lib/bpf/LIBBPF_OUT = $(abspath $(obj))/libbpfLIBBPF_A = $(LIBBPF_OUT)/libbpf.aLIBBPF_DESTDIR = $(LIBBPF_OUT)LIBBPF_INCLUDE = $(LIBBPF_DESTDIR)/include # Although not in use by libbpf's Makefile, set $(O) so that the "dummy" test# in tools/scripts/Makefile.include always succeeds when building the kernel# with $(O) pointing to a relative path, as in "make O=build bindeb-pkg".$(LIBBPF_A): | $(LIBBPF_OUT)	$(Q)$(MAKE) -C $(LIBBPF_SRCS) O=$(LIBBPF_OUT)/ OUTPUT=$(LIBBPF_OUT)/   \		DESTDIR=$(LIBBPF_DESTDIR) prefix=			       \		$(LIBBPF_OUT)/libbpf.a install_headers libbpf_hdrs: $(LIBBPF_A) .PHONY: libbpf_hdrs $(LIBBPF_OUT):	$(call msg,MKDIR,$@)	$(Q)mkdir -p $@ userccflags += -I $(srctree)/tools/include/ -I $(srctree)/tools/include/uapi \	-I $(LIBBPF_INCLUDE) -Wno-unused-result userprogs := bpf_preload_umd clean-files := libbpf/ $(obj)/iterators/iterators.o: | libbpf_hdrs bpf_preload_umd-objs := iterators/iterators.obpf_preload_umd-userldlibs := $(LIBBPF_A) -lelf -lz $(obj)/bpf_preload_umd: $(LIBBPF_A) $(obj)/bpf_preload_umd_blob.o: $(obj)/bpf_preload_umd obj-$(CONFIG_BPF_PRELOAD_UMD) += bpf_preload.obpf_preload-objs += bpf_preload_kern.o bpf_preload_umd_blob.o