tools/bpf/bpftool/Makefile

   1 include ../../scripts/Makefile.include
   2
   3 include ../../scripts/utilities.mak
   4
   5 ifeq ($(srctree),)
   6 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
   7 srctree := $(patsubst %/,%,$(dir $(srctree)))
   8 srctree := $(patsubst %/,%,$(dir $(srctree)))
   9 #$(info Determined 'srctree' to be $(srctree))
  10 endif
  11
  12 ifneq ($(objtree),)
  13 #$(info Determined 'objtree' to be $(objtree))
  14 endif
  15
  16 ifneq ($(OUTPUT),)
  17 #$(info Determined 'OUTPUT' to be $(OUTPUT))
  18 # Adding $(OUTPUT) as a directory to look for source files,
  19 # because use generated output files as sources dependency
  20 # for flex/bison parsers.
  21 VPATH += $(OUTPUT)
  22 export VPATH
  23 endif
  24
  25 ifeq ($(V),1)
  26   Q =
  27 else
  28   Q = @
  29 endif
  30
  31 BPF_DIR = $(srctree)/tools/lib/bpf/
  32
  33 ifneq ($(OUTPUT),)
  34   BPF_PATH=$(OUTPUT)
  35 else
  36   BPF_PATH=$(BPF_DIR)
  37 endif
  38
  39 LIBBPF = $(BPF_PATH)libbpf.a
  40
  41 $(LIBBPF): FORCE
  42         $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(OUTPUT) $(OUTPUT)libbpf.a FEATURES_DUMP=$(FEATURE_DUMP_EXPORT)
  43
  44 $(LIBBPF)-clean:
  45         $(call QUIET_CLEAN, libbpf)
  46         $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(OUTPUT) clean >/dev/null
  47
  48 prefix = /usr
  49 bash_compdir ?= $(prefix)/share/bash-completion/completions
  50
  51 CC = gcc
  52
  53 CFLAGS += -O2
  54 CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wshadow
  55 CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/tools/include/uapi -I$(srctree)/tools/include -I$(srctree)/tools/lib/bpf -I$(srctree)/kernel/bpf/
  56 LIBS = -lelf -lbfd -lopcodes $(LIBBPF)
  57
  58 include $(wildcard *.d)
  59
  60 all: $(OUTPUT)bpftool
  61
  62 SRCS=$(wildcard *.c)
  63 OBJS=$(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o
  64
  65 $(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
  66         $(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
  67
  68 $(OUTPUT)bpftool: $(OBJS) $(LIBBPF)
  69         $(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ $(LIBS)
  70
  71 $(OUTPUT)%.o: %.c
  72         $(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
  73
  74 clean: $(LIBBPF)-clean
  75         $(call QUIET_CLEAN, bpftool)
  76         $(Q)rm -rf $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d
  77
  78 install:
  79         install $(OUTPUT)bpftool $(prefix)/sbin/bpftool
  80         install -m 0755 -d $(bash_compdir)
  81         install -m 0644 bash-completion/bpftool $(bash_compdir)
  82
  83 doc:
  84         $(Q)$(MAKE) -C Documentation/
  85
  86 doc-install:
  87         $(Q)$(MAKE) -C Documentation/ install
  88
  89 FORCE:
  90
  91 .PHONY: all clean FORCE
  92 .DEFAULT_GOAL := all