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
  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 -Wno-missing-field-initializers
  42 CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \
  43         -I$(srctree)/kernel/bpf/ \
  44         -I$(srctree)/tools/include \
  45         -I$(srctree)/tools/include/uapi \
  46         -I$(srctree)/tools/lib/bpf \
  47         -I$(srctree)/tools/perf
  48 CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"'
  49 LIBS = -lelf -lbfd -lopcodes $(LIBBPF)
  50
  51 INSTALL ?= install
  52 RM ?= rm -f
  53
  54 FEATURE_USER = .bpftool
  55 FEATURE_TESTS = libbfd disassembler-four-args reallocarray
  56 FEATURE_DISPLAY = libbfd disassembler-four-args
  57
  58 check_feat := 1
  59 NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall
  60 ifdef MAKECMDGOALS
  61 ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),)
  62   check_feat := 0
  63 endif
  64 endif
  65
  66 ifeq ($(check_feat),1)
  67 ifeq ($(FEATURES_DUMP),)
  68 include $(srctree)/tools/build/Makefile.feature
  69 else
  70 include $(FEATURES_DUMP)
  71 endif
  72 endif
  73
  74 ifeq ($(feature-disassembler-four-args), 1)
  75 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
  76 endif
  77
  78 ifeq ($(feature-reallocarray), 0)
  79 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
  80 endif
  81
  82 include $(wildcard $(OUTPUT)*.d)
  83
  84 all: $(OUTPUT)bpftool
  85
  86 SRCS = $(wildcard *.c)
  87 OBJS = $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o
  88
  89 $(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
  90         $(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
  91
  92 $(OUTPUT)bpftool: $(OBJS) $(LIBBPF)
  93         $(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ $(LIBS)
  94
  95 $(OUTPUT)%.o: %.c
  96         $(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
  97
  98 clean: $(LIBBPF)-clean
  99         $(call QUIET_CLEAN, bpftool)
 100         $(Q)$(RM) $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d
 101         $(call QUIET_CLEAN, core-gen)
 102         $(Q)$(RM) $(OUTPUT)FEATURE-DUMP.bpftool
 103
 104 install: $(OUTPUT)bpftool
 105         $(call QUIET_INSTALL, bpftool)
 106         $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/sbin
 107         $(Q)$(INSTALL) $(OUTPUT)bpftool $(DESTDIR)$(prefix)/sbin/bpftool
 108         $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(bash_compdir)
 109         $(Q)$(INSTALL) -m 0644 bash-completion/bpftool $(DESTDIR)$(bash_compdir)
 110
 111 uninstall:
 112         $(call QUIET_UNINST, bpftool)
 113         $(Q)$(RM) $(DESTDIR)$(prefix)/sbin/bpftool
 114         $(Q)$(RM) $(DESTDIR)$(bash_compdir)/bpftool
 115
 116 doc:
 117         $(call descend,Documentation)
 118
 119 doc-clean:
 120         $(call descend,Documentation,clean)
 121
 122 doc-install:
 123         $(call descend,Documentation,install)
 124
 125 doc-uninstall:
 126         $(call descend,Documentation,uninstall)
 127
 128 FORCE:
 129
 130 .PHONY: all FORCE clean install uninstall
 131 .PHONY: doc doc-clean doc-install doc-uninstall
 132 .DEFAULT_GOAL := all