tools/bpf/bpftool/Makefile

   1 include ../../scripts/Makefile.include
   2 include ../../scripts/utilities.mak
   3
   4 ifeq ($(srctree),)
   5 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
   6 srctree := $(patsubst %/,%,$(dir $(srctree)))
   7 srctree := $(patsubst %/,%,$(dir $(srctree)))
   8 endif
   9
  10 ifeq ($(V),1)
  11   Q =
  12 else
  13   Q = @
  14 endif
  15
  16 BPF_DIR = $(srctree)/tools/lib/bpf/
  17
  18 ifneq ($(OUTPUT),)
  19   BPF_PATH = $(OUTPUT)
  20 else
  21   BPF_PATH = $(BPF_DIR)
  22 endif
  23
  24 LIBBPF = $(BPF_PATH)libbpf.a
  25
  26 BPFTOOL_VERSION=$(shell make --no-print-directory -sC ../../.. kernelversion)
  27
  28 $(LIBBPF): FORCE
  29         $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(OUTPUT) $(OUTPUT)libbpf.a FEATURES_DUMP=$(FEATURE_DUMP_EXPORT)
  30
  31 $(LIBBPF)-clean:
  32         $(call QUIET_CLEAN, libbpf)
  33         $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(OUTPUT) clean >/dev/null
  34
  35 prefix ?= /usr/local
  36 bash_compdir ?= /usr/share/bash-completion/completions
  37
  38 CC = gcc
  39
  40 CFLAGS += -O2
  41 CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wshadow
  42 CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ -I$(srctree)/tools/include/uapi -I$(srctree)/tools/include -I$(srctree)/tools/lib/bpf -I$(srctree)/kernel/bpf/
  43 CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"'
  44 LIBS = -lelf -lbfd -lopcodes $(LIBBPF)
  45
  46 INSTALL ?= install
  47 RM ?= rm -f
  48
  49 FEATURE_USER = .bpftool
  50 FEATURE_TESTS = libbfd disassembler-four-args
  51 FEATURE_DISPLAY = libbfd disassembler-four-args
  52
  53 check_feat := 1
  54 NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall
  55 ifdef MAKECMDGOALS
  56 ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),)
  57   check_feat := 0
  58 endif
  59 endif
  60
  61 ifeq ($(check_feat),1)
  62 ifeq ($(FEATURES_DUMP),)
  63 include $(srctree)/tools/build/Makefile.feature
  64 else
  65 include $(FEATURES_DUMP)
  66 endif
  67 endif
  68
  69 ifeq ($(feature-disassembler-four-args), 1)
  70 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
  71 endif
  72
  73 include $(wildcard *.d)
  74
  75 all: $(OUTPUT)bpftool
  76
  77 SRCS = $(wildcard *.c)
  78 OBJS = $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o
  79
  80 $(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
  81         $(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
  82
  83 $(OUTPUT)bpftool: $(OBJS) $(LIBBPF)
  84         $(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ $(LIBS)
  85
  86 $(OUTPUT)%.o: %.c
  87         $(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
  88
  89 clean: $(LIBBPF)-clean
  90         $(call QUIET_CLEAN, bpftool)
  91         $(Q)$(RM) $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d
  92
  93 install: $(OUTPUT)bpftool
  94         $(call QUIET_INSTALL, bpftool)
  95         $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/sbin
  96         $(Q)$(INSTALL) $(OUTPUT)bpftool $(DESTDIR)$(prefix)/sbin/bpftool
  97         $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(bash_compdir)
  98         $(Q)$(INSTALL) -m 0644 bash-completion/bpftool $(DESTDIR)$(bash_compdir)
  99
 100 uninstall:
 101         $(call QUIET_UNINST, bpftool)
 102         $(Q)$(RM) $(DESTDIR)$(prefix)/sbin/bpftool
 103         $(Q)$(RM) $(DESTDIR)$(bash_compdir)/bpftool
 104
 105 doc:
 106         $(call descend,Documentation)
 107
 108 doc-clean:
 109         $(call descend,Documentation,clean)
 110
 111 doc-install:
 112         $(call descend,Documentation,install)
 113
 114 doc-uninstall:
 115         $(call descend,Documentation,uninstall)
 116
 117 FORCE:
 118
 119 .PHONY: all FORCE clean install uninstall
 120 .PHONY: doc doc-clean doc-install doc-uninstall
 121 .DEFAULT_GOAL := all