* [bpf PATCH] bpf: fix for lex/yacc build error with gcc-5
@ 2018-04-25 15:53 John Fastabend
0 siblings, 0 replies; only message in thread
From: John Fastabend @ 2018-04-25 15:53 UTC (permalink / raw)
To: ast, daniel, jbenc; +Cc: netdev
~/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: 5a8997f20715 ("tools: bpf: respect output directory during build")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
---
tools/bpf/Makefile | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/bpf/Makefile b/tools/bpf/Makefile
index 1ea5459..557a4a6 100644
--- a/tools/bpf/Makefile
+++ b/tools/bpf/Makefile
@@ -75,7 +75,8 @@ $(OUTPUT)bpf_dbg: $(OUTPUT)bpf_dbg.o
$(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)
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2018-04-25 15:53 [bpf PATCH] bpf: fix for lex/yacc build error with gcc-5 John Fastabend
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