1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyuninclude ../../scripts/Makefile.include 3*4882a593Smuzhiyuninclude ../../scripts/Makefile.arch 4*4882a593Smuzhiyun 5*4882a593Smuzhiyunsrctree := $(abspath $(CURDIR)/../../../) 6*4882a593Smuzhiyun 7*4882a593Smuzhiyunifeq ($(V),1) 8*4882a593Smuzhiyun Q = 9*4882a593Smuzhiyun msg = 10*4882a593Smuzhiyunelse 11*4882a593Smuzhiyun Q = @ 12*4882a593Smuzhiyun ifeq ($(silent),1) 13*4882a593Smuzhiyun msg = 14*4882a593Smuzhiyun else 15*4882a593Smuzhiyun msg = @printf ' %-8s %s%s\n' "$(1)" "$(notdir $(2))" "$(if $(3), $(3))"; 16*4882a593Smuzhiyun endif 17*4882a593Smuzhiyun MAKEFLAGS=--no-print-directory 18*4882a593Smuzhiyunendif 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun# always use the host compiler 21*4882a593SmuzhiyunAR = $(HOSTAR) 22*4882a593SmuzhiyunCC = $(HOSTCC) 23*4882a593SmuzhiyunLD = $(HOSTLD) 24*4882a593SmuzhiyunARCH = $(HOSTARCH) 25*4882a593SmuzhiyunRM ?= rm 26*4882a593Smuzhiyun 27*4882a593SmuzhiyunOUTPUT ?= $(srctree)/tools/bpf/resolve_btfids/ 28*4882a593Smuzhiyun 29*4882a593SmuzhiyunLIBBPF_SRC := $(srctree)/tools/lib/bpf/ 30*4882a593SmuzhiyunSUBCMD_SRC := $(srctree)/tools/lib/subcmd/ 31*4882a593Smuzhiyun 32*4882a593SmuzhiyunBPFOBJ := $(OUTPUT)/libbpf/libbpf.a 33*4882a593SmuzhiyunSUBCMDOBJ := $(OUTPUT)/libsubcmd/libsubcmd.a 34*4882a593Smuzhiyun 35*4882a593SmuzhiyunBINARY := $(OUTPUT)/resolve_btfids 36*4882a593SmuzhiyunBINARY_IN := $(BINARY)-in.o 37*4882a593Smuzhiyun 38*4882a593Smuzhiyunall: $(BINARY) 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun$(OUTPUT) $(OUTPUT)/libbpf $(OUTPUT)/libsubcmd: 41*4882a593Smuzhiyun $(call msg,MKDIR,,$@) 42*4882a593Smuzhiyun $(Q)mkdir -p $(@) 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun$(SUBCMDOBJ): fixdep FORCE | $(OUTPUT)/libsubcmd 45*4882a593Smuzhiyun $(Q)$(MAKE) -C $(SUBCMD_SRC) OUTPUT=$(abspath $(dir $@))/ $(abspath $@) 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun$(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(OUTPUT)/libbpf 48*4882a593Smuzhiyun $(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC) OUTPUT=$(abspath $(dir $@))/ $(abspath $@) 49*4882a593Smuzhiyun 50*4882a593SmuzhiyunCFLAGS := -g \ 51*4882a593Smuzhiyun -I$(srctree)/tools/include \ 52*4882a593Smuzhiyun -I$(srctree)/tools/include/uapi \ 53*4882a593Smuzhiyun -I$(LIBBPF_SRC) \ 54*4882a593Smuzhiyun -I$(SUBCMD_SRC) 55*4882a593Smuzhiyun 56*4882a593SmuzhiyunLIBS = -lelf -lz 57*4882a593Smuzhiyun 58*4882a593Smuzhiyunexport srctree OUTPUT CFLAGS Q 59*4882a593Smuzhiyuninclude $(srctree)/tools/build/Makefile.include 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun$(BINARY_IN): fixdep FORCE | $(OUTPUT) 62*4882a593Smuzhiyun $(Q)$(MAKE) $(build)=resolve_btfids 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun$(BINARY): $(BPFOBJ) $(SUBCMDOBJ) $(BINARY_IN) 65*4882a593Smuzhiyun $(call msg,LINK,$@) 66*4882a593Smuzhiyun $(Q)$(CC) $(BINARY_IN) $(LDFLAGS) -o $@ $(BPFOBJ) $(SUBCMDOBJ) $(LIBS) 67*4882a593Smuzhiyun 68*4882a593Smuzhiyunclean_objects := $(wildcard $(OUTPUT)/*.o \ 69*4882a593Smuzhiyun $(OUTPUT)/.*.o.cmd \ 70*4882a593Smuzhiyun $(OUTPUT)/.*.o.d \ 71*4882a593Smuzhiyun $(OUTPUT)/libbpf \ 72*4882a593Smuzhiyun $(OUTPUT)/libsubcmd \ 73*4882a593Smuzhiyun $(OUTPUT)/resolve_btfids) 74*4882a593Smuzhiyun 75*4882a593Smuzhiyunifneq ($(clean_objects),) 76*4882a593Smuzhiyunclean: fixdep-clean 77*4882a593Smuzhiyun $(call msg,CLEAN,$(BINARY)) 78*4882a593Smuzhiyun $(Q)$(RM) -rf $(clean_objects) 79*4882a593Smuzhiyunelse 80*4882a593Smuzhiyunclean: 81*4882a593Smuzhiyunendif 82*4882a593Smuzhiyun 83*4882a593Smuzhiyuntags: 84*4882a593Smuzhiyun $(call msg,GEN,,tags) 85*4882a593Smuzhiyun $(Q)ctags -R . $(LIBBPF_SRC) $(SUBCMD_SRC) 86*4882a593Smuzhiyun 87*4882a593SmuzhiyunFORCE: 88*4882a593Smuzhiyun 89*4882a593Smuzhiyun.PHONY: all FORCE clean tags 90