Re: [PATCH] perf build: Disable libdw DWARF unwind when built with NO_DWARF

From: Arnaldo Carvalho de Melo
Date: Fri May 08 2015 - 15:44:14 EST


Em Wed, Apr 29, 2015 at 04:45:31PM +0530, Naveen N. Rao escreveu:
> We get a linker error if we try to build with NO_DWARF since we build
> util/unwind-libdw.c, but do not include -ldw

Thanks, applied, but adding Jiri to the CC list, lets see if he pokes
some hole on this one...

- Arnaldo

> Signed-off-by: Naveen N. Rao <naveen.n.rao@xxxxxxxxxxxxxxxxxx>
> ---
> tools/perf/config/Makefile | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
> index 59a98c6..d47c4dc 100644
> --- a/tools/perf/config/Makefile
> +++ b/tools/perf/config/Makefile
> @@ -268,6 +268,10 @@ else
> endif # libelf support
> endif # NO_LIBELF
>
> +ifdef NO_DWARF
> + NO_LIBDW_DWARF_UNWIND := 1
> +endif
> +
> ifndef NO_LIBELF
> CFLAGS += -DHAVE_LIBELF_SUPPORT
> EXTLIBS += -lelf
> --
> 2.3.5
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