1include ../../scripts/Makefile.include 2include ../../scripts/utilities.mak 3 4ifeq ($(srctree),) 5srctree := $(patsubst %/,%,$(dir $(CURDIR))) 6srctree := $(patsubst %/,%,$(dir $(srctree))) 7srctree := $(patsubst %/,%,$(dir $(srctree))) 8endif 9 10ifeq ($(V),1) 11 Q = 12else 13 Q = @ 14endif 15 16BPF_DIR = $(srctree)/tools/lib/bpf/ 17 18ifneq ($(OUTPUT),) 19 BPF_PATH = $(OUTPUT) 20else 21 BPF_PATH = $(BPF_DIR) 22endif 23 24LIBBPF = $(BPF_PATH)libbpf.a 25 26BPFTOOL_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 35prefix ?= /usr/local 36bash_compdir ?= /usr/share/bash-completion/completions 37 38CC = gcc 39 40CFLAGS += -O2 41CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wshadow -Wno-missing-field-initializers 42CFLAGS += -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$(srctree)/tools/perf 48CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"' 49LIBS = -lelf -lbfd -lopcodes $(LIBBPF) 50 51INSTALL ?= install 52RM ?= rm -f 53 54FEATURE_USER = .bpftool 55FEATURE_TESTS = libbfd disassembler-four-args reallocarray 56FEATURE_DISPLAY = libbfd disassembler-four-args 57 58check_feat := 1 59NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall 60ifdef MAKECMDGOALS 61ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),) 62 check_feat := 0 63endif 64endif 65 66ifeq ($(check_feat),1) 67ifeq ($(FEATURES_DUMP),) 68include $(srctree)/tools/build/Makefile.feature 69else 70include $(FEATURES_DUMP) 71endif 72endif 73 74ifeq ($(feature-disassembler-four-args), 1) 75CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 76endif 77 78ifeq ($(feature-reallocarray), 0) 79CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 80endif 81 82include $(wildcard $(OUTPUT)*.d) 83 84all: $(OUTPUT)bpftool 85 86SRCS = $(wildcard *.c) 87OBJS = $(patsubst %.c,$(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 98clean: $(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 104install: $(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 111uninstall: 112 $(call QUIET_UNINST, bpftool) 113 $(Q)$(RM) $(DESTDIR)$(prefix)/sbin/bpftool 114 $(Q)$(RM) $(DESTDIR)$(bash_compdir)/bpftool 115 116doc: 117 $(call descend,Documentation) 118 119doc-clean: 120 $(call descend,Documentation,clean) 121 122doc-install: 123 $(call descend,Documentation,install) 124 125doc-uninstall: 126 $(call descend,Documentation,uninstall) 127 128FORCE: 129 130.PHONY: all FORCE clean install uninstall 131.PHONY: doc doc-clean doc-install doc-uninstall 132.DEFAULT_GOAL := all 133