# SPDX-License-Identifier: GPL-2.0OUTPUT := .outputabs_out := $(abspath $(OUTPUT)) CLANG ?= clangLLC ?= llcLLVM_STRIP ?= llvm-strip TOOLS_PATH := $(abspath ../../../../tools)BPFTOOL_SRC := $(TOOLS_PATH)/bpf/bpftoolBPFTOOL_OUTPUT := $(abs_out)/bpftoolDEFAULT_BPFTOOL := $(BPFTOOL_OUTPUT)/bootstrap/bpftoolBPFTOOL ?= $(DEFAULT_BPFTOOL) LIBBPF_SRC := $(TOOLS_PATH)/lib/bpfLIBBPF_OUTPUT := $(abs_out)/libbpfLIBBPF_DESTDIR := $(LIBBPF_OUTPUT)LIBBPF_INCLUDE := $(LIBBPF_DESTDIR)/includeBPFOBJ := $(LIBBPF_OUTPUT)/libbpf.a INCLUDES := -I$(OUTPUT) -I$(LIBBPF_INCLUDE) -I$(TOOLS_PATH)/include/uapiCFLAGS := -g -Wall ifeq ($(V),1)Q =msg =elseQ = @msg = @printf '  %-8s %s%s\n' "$(1)" "$(notdir $(2))" "$(if $(3), $(3))";MAKEFLAGS += --no-print-directorysubmake_extras := feature_display=0endif .DELETE_ON_ERROR: .PHONY: all clean all: iterators.lskel-little-endian.h big: iterators.lskel-big-endian.h clean:	$(call msg,CLEAN)	$(Q)rm -rf $(OUTPUT) iterators iterators.lskel-%.h: $(OUTPUT)/%/iterators.bpf.o | $(BPFTOOL)	$(call msg,GEN-SKEL,$@)	$(Q)$(BPFTOOL) gen skeleton -L $< > $@ $(OUTPUT)/%/iterators.bpf.o: iterators.bpf.c $(BPFOBJ) | $(OUTPUT)	$(call msg,BPF,$@)	$(Q)mkdir -p $(@D)	$(Q)$(CLANG) -g -O2 --target=bpf -m$* $(INCLUDES)		      \		 -c $(filter %.c,$^) -o $@ &&				      \	$(LLVM_STRIP) -g $@ $(OUTPUT) $(LIBBPF_OUTPUT) $(BPFTOOL_OUTPUT):	$(call msg,MKDIR,$@)	$(Q)mkdir -p $@ $(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(LIBBPF_OUTPUT)	$(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC)			       \		    OUTPUT=$(abspath $(dir $@))/ prefix=		       \		    DESTDIR=$(LIBBPF_DESTDIR) $(abspath $@) install_headers $(DEFAULT_BPFTOOL): | $(BPFTOOL_OUTPUT)	$(Q)$(MAKE) $(submake_extras) -C $(BPFTOOL_SRC)	OUTPUT=$(BPFTOOL_OUTPUT)/ bootstrap