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  "   	ˆl–Ü4ý( ©³( 	Å€fàB¦-ÿ¿ƒ|NÂÁ $-    	# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
include ../../scripts/Makefile.include

ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
endif

ifeq ($(V),1)
  Q =
else
  Q = @
endif

BPF_DIR = $(srctree)/tools/lib/bpf

ifneq ($(OUTPUT),)
  _OUTPUT := $(OUTPUT)
else
  _OUTPUT := $(CURDIR)/
endif
BOOTSTRAP_OUTPUT := $(_OUTPUT)bootstrap/

LIBBPF_OUTPUT := $(_OUTPUT)libbpf/
LIBBPF_DESTDIR := $(LIBBPF_OUTPUT)
LIBBPF_INCLUDE := $(LIBBPF_DESTDIR)include
LIBBPF_HDRS_DIR := $(LIBBPF_INCLUDE)/bpf
LIBBPF := $(LIBBPF_OUTPUT)libbpf.a

LIBBPF_BOOTSTRAP_OUTPUT := $(BOOTSTRAP_OUTPUT)libbpf/
LIBBPF_BOOTSTRAP_DESTDIR := $(LIBBPF_BOOTSTRAP_OUTPUT)
LIBBPF_BOOTSTRAP_INCLUDE := $(LIBBPF_BOOTSTRAP_DESTDIR)include
LIBBPF_BOOTSTRAP_HDRS_DIR := $(LIBBPF_BOOTSTRAP_INCLUDE)/bpf
LIBBPF_BOOTSTRAP := $(LIBBPF_BOOTSTRAP_OUTPUT)libbpf.a

# We need to copy hashmap.h, nlattr.h, relo_core.h and libbpf_internal.h
# which are not otherwise exported by libbpf, but still required by bpftool.
LIBBPF_INTERNAL_HDRS := $(addprefix $(LIBBPF_HDRS_DIR)/,hashmap.h nlattr.h relo_core.h libbpf_internal.h)
LIBBPF_BOOTSTRAP_INTERNAL_HDRS := $(addprefix $(LIBBPF_BOOTSTRAP_HDRS_DIR)/,hashmap.h relo_core.h libbpf_internal.h)

$(LIBBPF_OUTPUT) $(BOOTSTRAP_OUTPUT) $(LIBBPF_BOOTSTRAP_OUTPUT) $(LIBBPF_HDRS_DIR) $(LIBBPF_BOOTSTRAP_HDRS_DIR):
	$(QUIET_MKDIR)mkdir -p $@

$(LIBBPF): $(wildcard $(BPF_DIR)/*.[ch] $(BPF_DIR)/Makefile) | $(LIBBPF_OUTPUT)
	$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) \
		DESTDIR=$(LIBBPF_DESTDIR:/=) prefix= $(LIBBPF) install_headers

$(LIBBPF_INTERNAL_HDRS): $(LIBBPF_HDRS_DIR)/%.h: $(BPF_DIR)/%.h | $(LIBBPF_HDRS_DIR)
	$(call QUIET_INSTALL, $@)
	$(Q)install -m 644 -t $(LIBBPF_HDRS_DIR) $<

$(LIBBPF_BOOTSTRAP): $(wildcard $(BPF_DIR)/*.[ch] $(BPF_DIR)/Makefile) | $(LIBBPF_BOOTSTRAP_OUTPUT)
	$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_BOOTSTRAP_OUTPUT) \
		DESTDIR=$(LIBBPF_BOOTSTRAP_DESTDIR:/=) prefix= \
		ARCH= CROSS_COMPILE= CC="$(HOSTCC)" LD="$(HOSTLD)" AR="$(HOSTAR)" $@ install_headers

$(LIBBPF_BOOTSTRAP_INTERNAL_HDRS): $(LIBBPF_BOOTSTRAP_HDRS_DIR)/%.h: $(BPF_DIR)/%.h | $(LIBBPF_BOOTSTRAP_HDRS_DIR)
	$(call QUIET_INSTALL, $@)
	$(Q)install -m 644 -t $(LIBBPF_BOOTSTRAP_HDRS_DIR) $<

$(LIBBPF)-clean: FORCE | $(LIBBPF_OUTPUT)
	$(call QUIET_CLEAN, libbpf)
	$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) clean >/dev/null

$(LIBBPF_BOOTSTRAP)-clean: FORCE | $(LIBBPF_BOOTSTRAP_OUTPUT)
	$(call QUIET_CLEAN, libbpf-bootstrap)
	$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_BOOTSTRAP_OUTPUT) clean >/dev/null

prefix ?= /usr/local
bash_compdir ?= /usr/share/bash-completion/completions

CFLAGS += -O2
CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers
CFLAGS += $(filter-out -Wswitch-enum -Wnested-externs,$(EXTRA_WARNINGS))
CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \
	-I$(or $(OUTPUT),.) \
	-I$(LIBBPF_INCLUDE) \
	-I$(srctree)/kernel/bpf/ \
	-I$(srctree)/tools/include \
	-I$(srctree)/tools/include/uapi
ifneq ($(BPFTOOL_VERSION),)
CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"'
endif
ifneq ($(EXTRA_CFLAGS),)
CFLAGS += $(EXTRA_CFLAGS)
endif
ifneq ($(EXTRA_LDFLAGS),)
LDFLAGS += $(EXTRA_LDFLAGS)
endif

HOST_CFLAGS := $(subst -I$(LIBBPF_INCLUDE),-I$(LIBBPF_BOOTSTRAP_INCLUDE),\
		$(subst $(CLANG_CROSS_FLAGS),,$(CFLAGS)))
HOST_LDFLAGS := $(LDFLAGS)

INSTALL ?= install
RM ?= rm -f

FEATURE_USER = .bpftool

FEATURE_TESTS := clang-bpf-co-re
FEATURE_TESTS += llvm
FEATURE_TESTS += libcap
FEATURE_TESTS += libbfd
FEATURE_TESTS += libbfd-liberty
FEATURE_TESTS += libbfd-liberty-z
FEATURE_TESTS += disassembler-four-args
FEATURE_TESTS += disassembler-init-styled

FEATURE_DISPLAY := clang-bpf-co-re
FEATURE_DISPLAY += llvm
FEATURE_DISPLAY += libcap
FEATURE_DISPLAY += libbfd
FEATURE_DISPLAY += libbfd-liberty
FEATURE_DISPLAY += libbfd-liberty-z

check_feat := 1
NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall
ifdef 