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tools: bpf: respect output directory during build 

Currently, the programs under tools/bpf (with the notable exception of
bpftool) do not respect the output directory (make O=dir). Fix that.

Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Jiri Benc 2018-03-08 23:00:36 +01:00 committed by Daniel Borkmann
parent 72ab55e96e
commit 5a8997f207
1 changed files with 22 additions and 16 deletions
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38
tools/bpf/Makefile
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@ -1,4 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
include ../scripts/Makefile.include
prefix = /usr
CC = gcc
@ -7,7 +9,7 @@ YACC = bison
MAKE = make
CFLAGS += -Wall -O2
CFLAGS += -D__EXPORTED_HEADERS__ -I../../include/uapi -I../../include
CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/include/uapi -I$(srctree)/include
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
@ -38,32 +40,36 @@ ifeq ($(feature-disassembler-four-args), 1)
CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
endif
%.yacc.c: %.y
$(OUTPUT)%.yacc.c: $(srctree)/tools/bpf/%.y
$(YACC) -o $@ -d $<
%.lex.c: %.l
$(OUTPUT)%.lex.c: $(srctree)/tools/bpf/%.l
$(LEX) -o $@ $<
all: bpf_jit_disasm bpf_dbg bpf_asm bpftool
$(OUTPUT)%.o: $(srctree)/tools/bpf/%.c
$(COMPILE.c) -o $@ $<
bpf_jit_disasm : CFLAGS += -DPACKAGE='bpf_jit_disasm'
bpf_jit_disasm : LDLIBS = -lopcodes -lbfd -ldl
bpf_jit_disasm : bpf_jit_disasm.o
all: $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg $(OUTPUT)bpf_asm bpftool
bpf_dbg : LDLIBS = -lreadline
bpf_dbg : bpf_dbg.o
$(OUTPUT)bpf_jit_disasm: CFLAGS += -DPACKAGE='bpf_jit_disasm'
$(OUTPUT)bpf_jit_disasm: LDLIBS = -lopcodes -lbfd -ldl
$(OUTPUT)bpf_jit_disasm: $(OUTPUT)bpf_jit_disasm.o
bpf_asm : LDLIBS =
bpf_asm : bpf_asm.o bpf_exp.yacc.o bpf_exp.lex.o
bpf_exp.lex.o : bpf_exp.yacc.c
$(OUTPUT)bpf_dbg: LDLIBS = -lreadline
$(OUTPUT)bpf_dbg: $(OUTPUT)bpf_dbg.o
$(OUTPUT)bpf_asm: LDLIBS =
$(OUTPUT)bpf_asm: $(OUTPUT)bpf_asm.o $(OUTPUT)bpf_exp.yacc.o $(OUTPUT)bpf_exp.lex.o
$(OUTPUT)bpf_exp.lex.o: $(OUTPUT)bpf_exp.yacc.c
clean: bpftool_clean
rm -rf *.o bpf_jit_disasm bpf_dbg bpf_asm bpf_exp.yacc.* bpf_exp.lex.*
rm -rf $(OUTPUT)*.o $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg \
$(OUTPUT)bpf_asm $(OUTPUT)bpf_exp.yacc.* $(OUTPUT)bpf_exp.lex.*
install: bpftool_install
install bpf_jit_disasm $(prefix)/bin/bpf_jit_disasm
install bpf_dbg $(prefix)/bin/bpf_dbg
install bpf_asm $(prefix)/bin/bpf_asm
install $(OUTPUT)bpf_jit_disasm $(prefix)/bin/bpf_jit_disasm
install $(OUTPUT)bpf_dbg $(prefix)/bin/bpf_dbg
install $(OUTPUT)bpf_asm $(prefix)/bin/bpf_asm
bpftool:
$(MAKE) -C bpftool