linux/tools/bpf/bpftool/Makefile

93 lines
2.1 KiB
Makefile

include ../../scripts/Makefile.include
include ../../scripts/utilities.mak
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
#$(info Determined 'srctree' to be $(srctree))
endif
ifneq ($(objtree),)
#$(info Determined 'objtree' to be $(objtree))
endif
ifneq ($(OUTPUT),)
#$(info Determined 'OUTPUT' to be $(OUTPUT))
# Adding $(OUTPUT) as a directory to look for source files,
# because use generated output files as sources dependency
# for flex/bison parsers.
VPATH += $(OUTPUT)
export VPATH
endif
ifeq ($(V),1)
Q =
else
Q = @
endif
BPF_DIR = $(srctree)/tools/lib/bpf/
ifneq ($(OUTPUT),)
BPF_PATH=$(OUTPUT)
else
BPF_PATH=$(BPF_DIR)
endif
LIBBPF = $(BPF_PATH)libbpf.a
$(LIBBPF): FORCE
$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(OUTPUT) $(OUTPUT)libbpf.a FEATURES_DUMP=$(FEATURE_DUMP_EXPORT)
$(LIBBPF)-clean:
$(call QUIET_CLEAN, libbpf)
$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(OUTPUT) clean >/dev/null
prefix = /usr
bash_compdir ?= $(prefix)/share/bash-completion/completions
CC = gcc
CFLAGS += -O2
CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wshadow
CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/tools/include/uapi -I$(srctree)/tools/include -I$(srctree)/tools/lib/bpf -I$(srctree)/kernel/bpf/
LIBS = -lelf -lbfd -lopcodes $(LIBBPF)
include $(wildcard *.d)
all: $(OUTPUT)bpftool
SRCS=$(wildcard *.c)
OBJS=$(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o
$(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
$(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
$(OUTPUT)bpftool: $(OBJS) $(LIBBPF)
$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ $(LIBS)
$(OUTPUT)%.o: %.c
$(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
clean: $(LIBBPF)-clean
$(call QUIET_CLEAN, bpftool)
$(Q)rm -rf $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d
install:
install $(OUTPUT)bpftool $(prefix)/sbin/bpftool
install -m 0755 -d $(bash_compdir)
install -m 0644 bash-completion/bpftool $(bash_compdir)
doc:
$(Q)$(MAKE) -C Documentation/
doc-install:
$(Q)$(MAKE) -C Documentation/ install
FORCE:
.PHONY: all clean FORCE
.DEFAULT_GOAL := all