# SPDX-License-Identifier: GPL-2.0-only
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include ../../scripts/Makefile.include
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include ../../scripts/Makefile.arch
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srctree := $(abspath $(CURDIR)/../../../)
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ifeq ($(V),1)
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Q =
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msg =
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else
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Q = @
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ifeq ($(silent),1)
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msg =
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else
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msg = @printf ' %-8s %s%s\n' "$(1)" "$(notdir $(2))" "$(if $(3), $(3))";
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endif
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MAKEFLAGS=--no-print-directory
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endif
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# always use the host compiler
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AR = $(HOSTAR)
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CC = $(HOSTCC)
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LD = $(HOSTLD)
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ARCH = $(HOSTARCH)
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RM ?= rm
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OUTPUT ?= $(srctree)/tools/bpf/resolve_btfids/
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LIBBPF_SRC := $(srctree)/tools/lib/bpf/
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SUBCMD_SRC := $(srctree)/tools/lib/subcmd/
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BPFOBJ := $(OUTPUT)/libbpf/libbpf.a
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SUBCMDOBJ := $(OUTPUT)/libsubcmd/libsubcmd.a
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BINARY := $(OUTPUT)/resolve_btfids
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BINARY_IN := $(BINARY)-in.o
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all: $(BINARY)
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$(OUTPUT) $(OUTPUT)/libbpf $(OUTPUT)/libsubcmd:
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$(call msg,MKDIR,,$@)
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$(Q)mkdir -p $(@)
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$(SUBCMDOBJ): fixdep FORCE | $(OUTPUT)/libsubcmd
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$(Q)$(MAKE) -C $(SUBCMD_SRC) OUTPUT=$(abspath $(dir $@))/ $(abspath $@)
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$(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(OUTPUT)/libbpf
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$(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC) OUTPUT=$(abspath $(dir $@))/ $(abspath $@)
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CFLAGS := -g \
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-I$(srctree)/tools/include \
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-I$(srctree)/tools/include/uapi \
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-I$(LIBBPF_SRC) \
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-I$(SUBCMD_SRC)
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LIBS = -lelf -lz
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export srctree OUTPUT CFLAGS Q
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include $(srctree)/tools/build/Makefile.include
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$(BINARY_IN): fixdep FORCE | $(OUTPUT)
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$(Q)$(MAKE) $(build)=resolve_btfids
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$(BINARY): $(BPFOBJ) $(SUBCMDOBJ) $(BINARY_IN)
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$(call msg,LINK,$@)
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$(Q)$(CC) $(BINARY_IN) $(LDFLAGS) -o $@ $(BPFOBJ) $(SUBCMDOBJ) $(LIBS)
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clean_objects := $(wildcard $(OUTPUT)/*.o \
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$(OUTPUT)/.*.o.cmd \
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$(OUTPUT)/.*.o.d \
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$(OUTPUT)/libbpf \
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$(OUTPUT)/libsubcmd \
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$(OUTPUT)/resolve_btfids)
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ifneq ($(clean_objects),)
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clean: fixdep-clean
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$(call msg,CLEAN,$(BINARY))
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$(Q)$(RM) -rf $(clean_objects)
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else
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clean:
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endif
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tags:
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$(call msg,GEN,,tags)
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$(Q)ctags -R . $(LIBBPF_SRC) $(SUBCMD_SRC)
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FORCE:
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.PHONY: all FORCE clean tags
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