1d71fa5c9SAlexei Starovoitov# SPDX-License-Identifier: GPL-2.0 2d71fa5c9SAlexei Starovoitov 3d71fa5c9SAlexei StarovoitovLIBBPF_SRCS = $(srctree)/tools/lib/bpf/ 4*bf607917SQuentin MonnetLIBBPF_OUT = $(abspath $(obj))/libbpf 5*bf607917SQuentin MonnetLIBBPF_A = $(LIBBPF_OUT)/libbpf.a 6*bf607917SQuentin MonnetLIBBPF_DESTDIR = $(LIBBPF_OUT) 7*bf607917SQuentin MonnetLIBBPF_INCLUDE = $(LIBBPF_DESTDIR)/include 8d71fa5c9SAlexei Starovoitov 9150a2732SQuentin Monnet# Although not in use by libbpf's Makefile, set $(O) so that the "dummy" test 10150a2732SQuentin Monnet# in tools/scripts/Makefile.include always succeeds when building the kernel 11150a2732SQuentin Monnet# with $(O) pointing to a relative path, as in "make O=build bindeb-pkg". 12*bf607917SQuentin Monnet$(LIBBPF_A): | $(LIBBPF_OUT) 13*bf607917SQuentin Monnet $(Q)$(MAKE) -C $(LIBBPF_SRCS) O=$(LIBBPF_OUT)/ OUTPUT=$(LIBBPF_OUT)/ \ 14*bf607917SQuentin Monnet DESTDIR=$(LIBBPF_DESTDIR) prefix= \ 15*bf607917SQuentin Monnet $(LIBBPF_OUT)/libbpf.a install_headers 16*bf607917SQuentin Monnet 17*bf607917SQuentin Monnetlibbpf_hdrs: $(LIBBPF_A) 18*bf607917SQuentin Monnet 19*bf607917SQuentin Monnet.PHONY: libbpf_hdrs 20*bf607917SQuentin Monnet 21*bf607917SQuentin Monnet$(LIBBPF_OUT): 22*bf607917SQuentin Monnet $(call msg,MKDIR,$@) 23*bf607917SQuentin Monnet $(Q)mkdir -p $@ 24d71fa5c9SAlexei Starovoitov 25d71fa5c9SAlexei Starovoitovuserccflags += -I $(srctree)/tools/include/ -I $(srctree)/tools/include/uapi \ 26*bf607917SQuentin Monnet -I $(LIBBPF_INCLUDE) -Wno-unused-result 27d71fa5c9SAlexei Starovoitov 28d71fa5c9SAlexei Starovoitovuserprogs := bpf_preload_umd 29d71fa5c9SAlexei Starovoitov 309d9aae53SToke Høiland-Jørgensenclean-files := $(userprogs) bpf_helper_defs.h FEATURE-DUMP.libbpf staticobjs/ feature/ 31*bf607917SQuentin Monnetclean-files += $(LIBBPF_OUT) $(LIBBPF_DESTDIR) 32*bf607917SQuentin Monnet 33*bf607917SQuentin Monnet$(obj)/iterators/iterators.o: | libbpf_hdrs 349d9aae53SToke Høiland-Jørgensen 35d71fa5c9SAlexei Starovoitovbpf_preload_umd-objs := iterators/iterators.o 36d71fa5c9SAlexei Starovoitovbpf_preload_umd-userldlibs := $(LIBBPF_A) -lelf -lz 37d71fa5c9SAlexei Starovoitov 38d71fa5c9SAlexei Starovoitov$(obj)/bpf_preload_umd: $(LIBBPF_A) 39d71fa5c9SAlexei Starovoitov 40d71fa5c9SAlexei Starovoitov$(obj)/bpf_preload_umd_blob.o: $(obj)/bpf_preload_umd 41d71fa5c9SAlexei Starovoitov 42d71fa5c9SAlexei Starovoitovobj-$(CONFIG_BPF_PRELOAD_UMD) += bpf_preload.o 43d71fa5c9SAlexei Starovoitovbpf_preload-objs += bpf_preload_kern.o bpf_preload_umd_blob.o 44