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 CFLAGS += -O2
  39 CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wshadow -Wno-missing-field-initializers
  40 CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \
  41         -I$(srctree)/kernel/bpf/ \
  42         -I$(srctree)/tools/include \
  43         -I$(srctree)/tools/include/uapi \
  44         -I$(srctree)/tools/lib/bpf \
  45         -I$(srctree)/tools/perf
  46 CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"'
  47 ifneq ($(EXTRA_CFLAGS),)
  48 CFLAGS += $(EXTRA_CFLAGS)
  49 endif
  50 ifneq ($(EXTRA_LDFLAGS),)
  51 LDFLAGS += $(EXTRA_LDFLAGS)
  52 endif
  53
  54 LIBS = -lelf $(LIBBPF)
  55
  56 INSTALL ?= install
  57 RM ?= rm -f
  58
  59 FEATURE_USER = .bpftool
  60 FEATURE_TESTS = libbfd disassembler-four-args reallocarray
  61 FEATURE_DISPLAY = libbfd disassembler-four-args
  62
  63 check_feat := 1
  64 NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall
  65 ifdef MAKECMDGOALS
  66 ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),)
  67   check_feat := 0
  68 endif
  69 endif
  70
  71 ifeq ($(check_feat),1)
  72 ifeq ($(FEATURES_DUMP),)
  73 include $(srctree)/tools/build/Makefile.feature
  74 else
  75 include $(FEATURES_DUMP)
  76 endif
  77 endif
  78
  79 ifeq ($(feature-disassembler-four-args), 1)
  80 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
  81 endif
  82
  83 ifeq ($(feature-reallocarray), 0)
  84 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
  85 endif
  86
  87 include $(wildcard $(OUTPUT)*.d)
  88
  89 all: $(OUTPUT)bpftool
  90
  91 BFD_SRCS = jit_disasm.c
  92
  93 SRCS = $(filter-out $(BFD_SRCS),$(wildcard *.c))
  94
  95 ifeq ($(feature-libbfd),1)
  96   LIBS += -lbfd -ldl -lopcodes
  97 else ifeq ($(feature-libbfd-liberty),1)
  98   LIBS += -lbfd -ldl -lopcodes -liberty
  99 else ifeq ($(feature-libbfd-liberty-z),1)
 100   LIBS += -lbfd -ldl -lopcodes -liberty -lz
 101 endif
 102
 103 ifneq ($(filter -lbfd,$(LIBS)),)
 104 CFLAGS += -DHAVE_LIBBFD_SUPPORT
 105 SRCS += $(BFD_SRCS)
 106 endif
 107
 108 OBJS = $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o
 109
 110 $(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
 111         $(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
 112
 113 $(OUTPUT)bpftool: $(OBJS) $(LIBBPF)
 114         $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
 115
 116 $(OUTPUT)%.o: %.c
 117         $(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
 118
 119 clean: $(LIBBPF)-clean
 120         $(call QUIET_CLEAN, bpftool)
 121         $(Q)$(RM) $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d
 122         $(call QUIET_CLEAN, core-gen)
 123         $(Q)$(RM) $(OUTPUT)FEATURE-DUMP.bpftool
 124
 125 install: $(OUTPUT)bpftool
 126         $(call QUIET_INSTALL, bpftool)
 127         $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/sbin
 128         $(Q)$(INSTALL) $(OUTPUT)bpftool $(DESTDIR)$(prefix)/sbin/bpftool
 129         $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(bash_compdir)
 130         $(Q)$(INSTALL) -m 0644 bash-completion/bpftool $(DESTDIR)$(bash_compdir)
 131
 132 uninstall:
 133         $(call QUIET_UNINST, bpftool)
 134         $(Q)$(RM) $(DESTDIR)$(prefix)/sbin/bpftool
 135         $(Q)$(RM) $(DESTDIR)$(bash_compdir)/bpftool
 136
 137 doc:
 138         $(call descend,Documentation)
 139
 140 doc-clean:
 141         $(call descend,Documentation,clean)
 142
 143 doc-install:
 144         $(call descend,Documentation,install)
 145
 146 doc-uninstall:
 147         $(call descend,Documentation,uninstall)
 148
 149 FORCE:
 150
 151 .PHONY: all FORCE clean install uninstall
 152 .PHONY: doc doc-clean doc-install doc-uninstall
 153 .DEFAULT_GOAL := all