Messages in this thread | | | From | Song Liu <> | Date | Mon, 8 Oct 2018 14:02:48 -0700 | Subject | Re: [PATCH 2/2] bpftool: Allow add linker flags via EXTRA_LDFLAGS variable |
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On Mon, Oct 8, 2018 at 1:23 AM Jiri Olsa <jolsa@kernel.org> wrote: > > Adding EXTRA_LDFLAGS allowing user to specify extra flags > for LD_FLAGS variable. Also adding LDFLAGS to build command > line. > > Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Song Liu <songliubraving@fb.com>
> --- > tools/bpf/bpftool/Makefile | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile > index 5bfa07e3f2f7..dac7eff4c7e5 100644 > --- a/tools/bpf/bpftool/Makefile > +++ b/tools/bpf/bpftool/Makefile > @@ -49,6 +49,9 @@ CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"' > ifneq ($(EXTRA_CFLAGS),) > CFLAGS += $(EXTRA_CFLAGS) > endif > +ifneq ($(EXTRA_LDFLAGS),) > +LDFLAGS += $(EXTRA_LDFLAGS) > +endif > > LIBS = -lelf -lbfd -lopcodes $(LIBBPF) > > @@ -94,7 +97,7 @@ $(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c > $(QUIET_CC)$(COMPILE.c) -MMD -o $@ $< > > $(OUTPUT)bpftool: $(OBJS) $(LIBBPF) > - $(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ $(LIBS) > + $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS) > > $(OUTPUT)%.o: %.c > $(QUIET_CC)$(COMPILE.c) -MMD -o $@ $< > -- > 2.17.2 >
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