1f0fdfefbSAlexei Starovoitov# SPDX-License-Identifier: GPL-2.0 2f0fdfefbSAlexei StarovoitovOUTPUT := .output 37bf731dcSQuentin Monnetabs_out := $(abspath $(OUTPUT)) 47bf731dcSQuentin Monnet 5f0fdfefbSAlexei StarovoitovCLANG ?= clang 6f0fdfefbSAlexei StarovoitovLLC ?= llc 7f0fdfefbSAlexei StarovoitovLLVM_STRIP ?= llvm-strip 87bf731dcSQuentin Monnet 97bf731dcSQuentin MonnetTOOLS_PATH := $(abspath ../../../../tools) 107bf731dcSQuentin MonnetBPFTOOL_SRC := $(TOOLS_PATH)/bpf/bpftool 117bf731dcSQuentin MonnetBPFTOOL_OUTPUT := $(abs_out)/bpftool 12f0fdfefbSAlexei StarovoitovDEFAULT_BPFTOOL := $(OUTPUT)/sbin/bpftool 13f0fdfefbSAlexei StarovoitovBPFTOOL ?= $(DEFAULT_BPFTOOL) 147bf731dcSQuentin Monnet 157bf731dcSQuentin MonnetLIBBPF_SRC := $(TOOLS_PATH)/lib/bpf 167bf731dcSQuentin MonnetLIBBPF_OUTPUT := $(abs_out)/libbpf 177bf731dcSQuentin MonnetLIBBPF_DESTDIR := $(LIBBPF_OUTPUT) 187bf731dcSQuentin MonnetLIBBPF_INCLUDE := $(LIBBPF_DESTDIR)/include 197bf731dcSQuentin MonnetBPFOBJ := $(LIBBPF_OUTPUT)/libbpf.a 207bf731dcSQuentin Monnet 217bf731dcSQuentin MonnetINCLUDES := -I$(OUTPUT) -I$(LIBBPF_INCLUDE) -I$(TOOLS_PATH)/include/uapi 22f0fdfefbSAlexei StarovoitovCFLAGS := -g -Wall 23f0fdfefbSAlexei Starovoitov 24f0fdfefbSAlexei Starovoitovifeq ($(V),1) 25f0fdfefbSAlexei StarovoitovQ = 26f0fdfefbSAlexei Starovoitovmsg = 27f0fdfefbSAlexei Starovoitovelse 28f0fdfefbSAlexei StarovoitovQ = @ 29f0fdfefbSAlexei Starovoitovmsg = @printf ' %-8s %s%s\n' "$(1)" "$(notdir $(2))" "$(if $(3), $(3))"; 30f0fdfefbSAlexei StarovoitovMAKEFLAGS += --no-print-directory 31f0fdfefbSAlexei Starovoitovsubmake_extras := feature_display=0 32f0fdfefbSAlexei Starovoitovendif 33f0fdfefbSAlexei Starovoitov 34f0fdfefbSAlexei Starovoitov.DELETE_ON_ERROR: 35f0fdfefbSAlexei Starovoitov 36f0fdfefbSAlexei Starovoitov.PHONY: all clean 37f0fdfefbSAlexei Starovoitov 38*79b20392SAlexei Starovoitovall: iterators.lskel.h 39f0fdfefbSAlexei Starovoitov 40f0fdfefbSAlexei Starovoitovclean: 41f0fdfefbSAlexei Starovoitov $(call msg,CLEAN) 42f0fdfefbSAlexei Starovoitov $(Q)rm -rf $(OUTPUT) iterators 43f0fdfefbSAlexei Starovoitov 44*79b20392SAlexei Starovoitoviterators.lskel.h: $(OUTPUT)/iterators.bpf.o | $(BPFTOOL) 45f0fdfefbSAlexei Starovoitov $(call msg,GEN-SKEL,$@) 46*79b20392SAlexei Starovoitov $(Q)$(BPFTOOL) gen skeleton -L $< > $@ 47f0fdfefbSAlexei Starovoitov 48f0fdfefbSAlexei Starovoitov 49f0fdfefbSAlexei Starovoitov$(OUTPUT)/iterators.bpf.o: iterators.bpf.c $(BPFOBJ) | $(OUTPUT) 50f0fdfefbSAlexei Starovoitov $(call msg,BPF,$@) 51f0fdfefbSAlexei Starovoitov $(Q)$(CLANG) -g -O2 -target bpf $(INCLUDES) \ 52f0fdfefbSAlexei Starovoitov -c $(filter %.c,$^) -o $@ && \ 53f0fdfefbSAlexei Starovoitov $(LLVM_STRIP) -g $@ 54f0fdfefbSAlexei Starovoitov 557bf731dcSQuentin Monnet$(OUTPUT) $(LIBBPF_OUTPUT) $(BPFTOOL_OUTPUT): 56f0fdfefbSAlexei Starovoitov $(call msg,MKDIR,$@) 577bf731dcSQuentin Monnet $(Q)mkdir -p $@ 58f0fdfefbSAlexei Starovoitov 597bf731dcSQuentin Monnet$(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(LIBBPF_OUTPUT) 60f0fdfefbSAlexei Starovoitov $(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC) \ 617bf731dcSQuentin Monnet OUTPUT=$(abspath $(dir $@))/ prefix= \ 627bf731dcSQuentin Monnet DESTDIR=$(LIBBPF_DESTDIR) $(abspath $@) install_headers 63f0fdfefbSAlexei Starovoitov 647bf731dcSQuentin Monnet$(DEFAULT_BPFTOOL): $(BPFOBJ) | $(BPFTOOL_OUTPUT) 657bf731dcSQuentin Monnet $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOL_SRC) \ 667bf731dcSQuentin Monnet OUTPUT=$(BPFTOOL_OUTPUT)/ \ 677bf731dcSQuentin Monnet LIBBPF_OUTPUT=$(LIBBPF_OUTPUT)/ \ 687bf731dcSQuentin Monnet LIBBPF_DESTDIR=$(LIBBPF_DESTDIR)/ \ 69d7db0a4eSQuentin Monnet prefix= DESTDIR=$(abs_out)/ install-bin 70