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# SPDX-License-Identifier: GPL-2.0
include ../scripts/Makefile.include
prefix ?= /usr/local
CC = gcc
LEX = flex
YACC = bison
MAKE = make
INSTALL ?= install
CFLAGS += -Wall -O2
CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/include/uapi -I$(srctree)/include
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
endif
FEATURE_USER = .bpf
FEATURE_TESTS = libbfd disassembler-four-args
FEATURE_DISPLAY = libbfd disassembler-four-args
check_feat := 1
NON_CHECK_FEAT_TARGETS := clean bpftool_clean
ifdef MAKECMDGOALS
ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),)
check_feat := 0
endif
endif
ifeq ($(check_feat),1)
ifeq ($(FEATURES_DUMP),)
include $(srctree)/tools/build/Makefile.feature
else
include $(FEATURES_DUMP)
endif
endif
ifeq ($(feature-disassembler-four-args), 1)
CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
endif
$(OUTPUT)%.yacc.c: $(srctree)/tools/bpf/%.y
$(YACC) -o $@ -d $<
$(OUTPUT)%.lex.c: $(srctree)/tools/bpf/%.l
$(LEX) -o $@ $<
$(OUTPUT)%.o: $(srctree)/tools/bpf/%.c
$(COMPILE.c) -o $@ $<
all: $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg $(OUTPUT)bpf_asm bpftool
$(OUTPUT)bpf_jit_disasm: CFLAGS += -DPACKAGE='bpf_jit_disasm'
$(OUTPUT)bpf_jit_disasm: LDLIBS = -lopcodes -lbfd -ldl
$(OUTPUT)bpf_jit_disasm: $(OUTPUT)bpf_jit_disasm.o
$(OUTPUT)bpf_dbg: LDLIBS = -lreadline
$(OUTPUT)bpf_dbg: $(OUTPUT)bpf_dbg.o
$(OUTPUT)bpf_asm: LDLIBS =
$(OUTPUT)bpf_asm: $(OUTPUT)bpf_asm.o $(OUTPUT)bpf_exp.yacc.o $(OUTPUT)bpf_exp.lex.o
$(OUTPUT)bpf_exp.lex.o: $(OUTPUT)bpf_exp.yacc.c
clean: bpftool_clean
rm -rf $(OUTPUT)*.o $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg \
$(OUTPUT)bpf_asm $(OUTPUT)bpf_exp.yacc.* $(OUTPUT)bpf_exp.lex.*
install: bpftool_install
$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/bin
$(INSTALL) $(OUTPUT)bpf_jit_disasm $(DESTDIR)$(prefix)/bin/bpf_jit_disasm
$(INSTALL) $(OUTPUT)bpf_dbg $(DESTDIR)$(prefix)/bin/bpf_dbg
$(INSTALL) $(OUTPUT)bpf_asm $(DESTDIR)$(prefix)/bin/bpf_asm
bpftool:
$(MAKE) -C bpftool
bpftool_install:
$(MAKE) -C bpftool install
bpftool_clean:
$(MAKE) -C bpftool clean
.PHONY: bpftool FORCE
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