tools/bpf/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 prefix = /usr
   3
   4 CC = gcc
   5 LEX = flex
   6 YACC = bison
   7 MAKE = make
   8
   9 CFLAGS += -Wall -O2
  10 CFLAGS += -D__EXPORTED_HEADERS__ -I../../include/uapi -I../../include
  11
  12 ifeq ($(srctree),)
  13 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
  14 srctree := $(patsubst %/,%,$(dir $(srctree)))
  15 endif
  16
  17 FEATURE_USER = .bpf
  18 FEATURE_TESTS = libbfd disassembler-four-args
  19 FEATURE_DISPLAY = libbfd disassembler-four-args
  20
  21 check_feat := 1
  22 NON_CHECK_FEAT_TARGETS := clean bpftool_clean
  23 ifdef MAKECMDGOALS
  24 ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),)
  25   check_feat := 0
  26 endif
  27 endif
  28
  29 ifeq ($(check_feat),1)
  30 ifeq ($(FEATURES_DUMP),)
  31 include $(srctree)/tools/build/Makefile.feature
  32 else
  33 include $(FEATURES_DUMP)
  34 endif
  35 endif
  36
  37 ifeq ($(feature-disassembler-four-args), 1)
  38 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
  39 endif
  40
  41 %.yacc.c: %.y
  42         $(YACC) -o $@ -d $<
  43
  44 %.lex.c: %.l
  45         $(LEX) -o $@ $<
  46
  47 all: bpf_jit_disasm bpf_dbg bpf_asm bpftool
  48
  49 bpf_jit_disasm : CFLAGS += -DPACKAGE='bpf_jit_disasm'
  50 bpf_jit_disasm : LDLIBS = -lopcodes -lbfd -ldl
  51 bpf_jit_disasm : bpf_jit_disasm.o
  52
  53 bpf_dbg : LDLIBS = -lreadline
  54 bpf_dbg : bpf_dbg.o
  55
  56 bpf_asm : LDLIBS =
  57 bpf_asm : bpf_asm.o bpf_exp.yacc.o bpf_exp.lex.o
  58 bpf_exp.lex.o : bpf_exp.yacc.c
  59
  60 clean: bpftool_clean
  61         rm -rf *.o bpf_jit_disasm bpf_dbg bpf_asm bpf_exp.yacc.* bpf_exp.lex.*
  62
  63 install: bpftool_install
  64         install bpf_jit_disasm $(prefix)/bin/bpf_jit_disasm
  65         install bpf_dbg $(prefix)/bin/bpf_dbg
  66         install bpf_asm $(prefix)/bin/bpf_asm
  67
  68 bpftool:
  69         $(MAKE) -C bpftool
  70
  71 bpftool_install:
  72         $(MAKE) -C bpftool install
  73
  74 bpftool_clean:
  75         $(MAKE) -C bpftool clean
  76
  77 .PHONY: bpftool FORCE