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