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authorJohn Fastabend <john.fastabend@gmail.com>2018-04-25 14:22:45 -0700
committerDaniel Borkmann <daniel@iogearbox.net>2018-04-25 23:27:46 +0200
commit9c299a32ede98dc9faafb267034ed830a15304db (patch)
tree97ed47611a2b875c6e46acfc719471fa96bdfe44 /tools
parent1612a981b76688c598dc944bbfbe29a2b33e3973 (diff)
bpf: fix for lex/yacc build error with gcc-5
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: 5a8997f20715 ("tools: bpf: respect output directory during build") Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools')
-rw-r--r--tools/bpf/Makefile2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/bpf/Makefile b/tools/bpf/Makefile
index 1ea545965ee3..53b60ad452f5 100644
--- a/tools/bpf/Makefile
+++ b/tools/bpf/Makefile
@@ -76,6 +76,8 @@ $(OUTPUT)bpf_asm: $(OUTPUT)bpf_asm.o $(OUTPUT)bpf_exp.yacc.o $(OUTPUT)bpf_exp.le
$(QUIET_LINK)$(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)