9c299a32ed
Fix build error found with Ubuntu shipped gcc-5
~/git/bpf/tools/bpf$ make all
Auto-detecting system features:
... libbfd: [ OFF ]
... disassembler-four-args: [ OFF ]
CC bpf_jit_disasm.o
LINK bpf_jit_disasm
CC bpf_dbg.o
/home/john/git/bpf/tools/bpf/bpf_dbg.c: In function ‘cmd_load’:
/home/john/git/bpf/tools/bpf/bpf_dbg.c:1077:13: warning: ‘cont’ may be used uninitialized in this function [-Wmaybe-uninitialized]
} else if (matches(subcmd, "pcap") == 0) {
^
LINK bpf_dbg
CC bpf_asm.o
make: *** No rule to make target `bpf_exp.yacc.o', needed by `bpf_asm'. Stop.
Fixes: 5a8997f207 ("tools: bpf: respect output directory during build")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
108 lines
2.7 KiB
Makefile
108 lines
2.7 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
include ../scripts/Makefile.include
|
|
|
|
prefix ?= /usr/local
|
|
|
|
CC = gcc
|
|
LEX = flex
|
|
YACC = bison
|
|
MAKE = make
|
|
INSTALL ?= install
|
|
|
|
CFLAGS += -Wall -O2
|
|
CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/include/uapi -I$(srctree)/include
|
|
|
|
ifeq ($(srctree),)
|
|
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
|
|
srctree := $(patsubst %/,%,$(dir $(srctree)))
|
|
endif
|
|
|
|
ifeq ($(V),1)
|
|
Q =
|
|
else
|
|
Q = @
|
|
endif
|
|
|
|
FEATURE_USER = .bpf
|
|
FEATURE_TESTS = libbfd disassembler-four-args
|
|
FEATURE_DISPLAY = libbfd disassembler-four-args
|
|
|
|
check_feat := 1
|
|
NON_CHECK_FEAT_TARGETS := clean bpftool_clean
|
|
ifdef MAKECMDGOALS
|
|
ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),)
|
|
check_feat := 0
|
|
endif
|
|
endif
|
|
|
|
ifeq ($(check_feat),1)
|
|
ifeq ($(FEATURES_DUMP),)
|
|
include $(srctree)/tools/build/Makefile.feature
|
|
else
|
|
include $(FEATURES_DUMP)
|
|
endif
|
|
endif
|
|
|
|
ifeq ($(feature-disassembler-four-args), 1)
|
|
CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
|
|
endif
|
|
|
|
$(OUTPUT)%.yacc.c: $(srctree)/tools/bpf/%.y
|
|
$(QUIET_BISON)$(YACC) -o $@ -d $<
|
|
|
|
$(OUTPUT)%.lex.c: $(srctree)/tools/bpf/%.l
|
|
$(QUIET_FLEX)$(LEX) -o $@ $<
|
|
|
|
$(OUTPUT)%.o: $(srctree)/tools/bpf/%.c
|
|
$(QUIET_CC)$(COMPILE.c) -o $@ $<
|
|
|
|
$(OUTPUT)%.yacc.o: $(OUTPUT)%.yacc.c
|
|
$(QUIET_CC)$(COMPILE.c) -o $@ $<
|
|
$(OUTPUT)%.lex.o: $(OUTPUT)%.lex.c
|
|
$(QUIET_CC)$(COMPILE.c) -o $@ $<
|
|
|
|
PROGS = $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg $(OUTPUT)bpf_asm
|
|
|
|
all: $(PROGS) bpftool
|
|
|
|
$(OUTPUT)bpf_jit_disasm: CFLAGS += -DPACKAGE='bpf_jit_disasm'
|
|
$(OUTPUT)bpf_jit_disasm: $(OUTPUT)bpf_jit_disasm.o
|
|
$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ -lopcodes -lbfd -ldl
|
|
|
|
$(OUTPUT)bpf_dbg: $(OUTPUT)bpf_dbg.o
|
|
$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ -lreadline
|
|
|
|
$(OUTPUT)bpf_asm: $(OUTPUT)bpf_asm.o $(OUTPUT)bpf_exp.yacc.o $(OUTPUT)bpf_exp.lex.o
|
|
$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^
|
|
|
|
$(OUTPUT)bpf_exp.lex.c: $(OUTPUT)bpf_exp.yacc.c
|
|
$(OUTPUT)bpf_exp.yacc.o: $(OUTPUT)bpf_exp.yacc.c
|
|
$(OUTPUT)bpf_exp.lex.o: $(OUTPUT)bpf_exp.lex.c
|
|
|
|
clean: bpftool_clean
|
|
$(call QUIET_CLEAN, bpf-progs)
|
|
$(Q)rm -rf $(OUTPUT)*.o $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg \
|
|
$(OUTPUT)bpf_asm $(OUTPUT)bpf_exp.yacc.* $(OUTPUT)bpf_exp.lex.*
|
|
$(call QUIET_CLEAN, core-gen)
|
|
$(Q)rm -f $(OUTPUT)FEATURE-DUMP.bpf
|
|
|
|
install: $(PROGS) bpftool_install
|
|
$(call QUIET_INSTALL, bpf_jit_disasm)
|
|
$(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/bin
|
|
$(Q)$(INSTALL) $(OUTPUT)bpf_jit_disasm $(DESTDIR)$(prefix)/bin/bpf_jit_disasm
|
|
$(call QUIET_INSTALL, bpf_dbg)
|
|
$(Q)$(INSTALL) $(OUTPUT)bpf_dbg $(DESTDIR)$(prefix)/bin/bpf_dbg
|
|
$(call QUIET_INSTALL, bpf_asm)
|
|
$(Q)$(INSTALL) $(OUTPUT)bpf_asm $(DESTDIR)$(prefix)/bin/bpf_asm
|
|
|
|
bpftool:
|
|
$(call descend,bpftool)
|
|
|
|
bpftool_install:
|
|
$(call descend,bpftool,install)
|
|
|
|
bpftool_clean:
|
|
$(call descend,bpftool,clean)
|
|
|
|
.PHONY: all install clean bpftool bpftool_install bpftool_clean
|