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 38CFLAGS += -O2 39CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wshadow -Wno-missing-field-initializers 40CFLAGS += -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$(srctree)/tools/perf 46CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"' 47ifneq ($(EXTRA_CFLAGS),) 48CFLAGS += $(EXTRA_CFLAGS) 49endif 50ifneq ($(EXTRA_LDFLAGS),) 51LDFLAGS += $(EXTRA_LDFLAGS) 52endif 53 54LIBS = -lelf $(LIBBPF) 55 56INSTALL ?= install 57RM ?= rm -f 58 59FEATURE_USER = .bpftool 60FEATURE_TESTS = libbfd disassembler-four-args reallocarray 61FEATURE_DISPLAY = libbfd disassembler-four-args 62 63check_feat := 1 64NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall 65ifdef MAKECMDGOALS 66ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),) 67 check_feat := 0 68endif 69endif 70 71ifeq ($(check_feat),1) 72ifeq ($(FEATURES_DUMP),) 73include $(srctree)/tools/build/Makefile.feature 74else 75include $(FEATURES_DUMP) 76endif 77endif 78 79ifeq ($(feature-disassembler-four-args), 1) 80CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 81endif 82 83ifeq ($(feature-reallocarray), 0) 84CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 85endif 86 87include $(wildcard $(OUTPUT)*.d) 88 89all: $(OUTPUT)bpftool 90 91BFD_SRCS = jit_disasm.c 92 93SRCS = $(filter-out $(BFD_SRCS),$(wildcard *.c)) 94 95ifeq ($(feature-libbfd),1) 96 LIBS += -lbfd -ldl -lopcodes 97else ifeq ($(feature-libbfd-liberty),1) 98 LIBS += -lbfd -ldl -lopcodes -liberty 99else ifeq ($(feature-libbfd-liberty-z),1) 100 LIBS += -lbfd -ldl -lopcodes -liberty -lz 101endif 102 103ifneq ($(filter -lbfd,$(LIBS)),) 104CFLAGS += -DHAVE_LIBBFD_SUPPORT 105SRCS += $(BFD_SRCS) 106endif 107 108OBJS = $(patsubst %.c,$(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 119clean: $(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 125install: $(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 132uninstall: 133 $(call QUIET_UNINST, bpftool) 134 $(Q)$(RM) $(DESTDIR)$(prefix)/sbin/bpftool 135 $(Q)$(RM) $(DESTDIR)$(bash_compdir)/bpftool 136 137doc: 138 $(call descend,Documentation) 139 140doc-clean: 141 $(call descend,Documentation,clean) 142 143doc-install: 144 $(call descend,Documentation,install) 145 146doc-uninstall: 147 $(call descend,Documentation,uninstall) 148 149FORCE: 150 151.PHONY: all FORCE clean install uninstall 152.PHONY: doc doc-clean doc-install doc-uninstall 153.DEFAULT_GOAL := all 154