[PATCH] perf tools: Fix static building

[Vineet Gupta]

On 08/22/2016 10:35 AM, Alexey Brodkin wrote:
> With commit e3d09ec8126f ("tools lib traceevent: Export dynamic symbols
> used by traceevent plugins") we started to add "--dynamic-list" in
> LDFLAGS. One side-effect of that was inability to build really
> statically-linked perf.
>
> I.e. even if "LDFLAGS=-static" were passed on perf building command-line
> it had no effect and perf was built dynamically.
>
> This change disables setup of "--dynamic-list" if LDFLAGS contains
> "-static" option.
>
> Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com>
> Cc: Arnaldo Carvalho de Melo <acme at redhat.com>
> Cc: Vineet Gupta <vgupta at synopsys.com>
> Cc: Wang Nan <wangnan0 at huawei.com>
> Cc: Jiri Olsa <jolsa at kernel.org>
> Cc: He Kuang <hekuang at huawei.com>
> Cc: Masami Hiramatsu <masami.hiramatsu.pt at hitachi.com>
> Cc: Namhyung Kim <namhyung at kernel.org>
> Cc: Peter Zijlstra <a.p.zijlstra at chello.nl>
> Cc: Zefan Li <lizefan at huawei.com>
> Cc: pi3orama at 163.com
> ---
>  tools/perf/Makefile.perf | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
> index 2d908750..e9acc7c 100644
> --- a/tools/perf/Makefile.perf
> +++ b/tools/perf/Makefile.perf
> @@ -236,7 +236,9 @@ LIBTRACEEVENT = $(TE_PATH)libtraceevent.a
>  export LIBTRACEEVENT
>  
>  LIBTRACEEVENT_DYNAMIC_LIST = $(TE_PATH)libtraceevent-dynamic-list
> +ifeq ($(filter -static,$(LDFLAGS)),)
>  LIBTRACEEVENT_DYNAMIC_LIST_LDFLAGS = -Xlinker --dynamic-list=$(LIBTRACEEVENT_DYNAMIC_LIST)
> +endif
>  
>  LIBAPI = $(API_PATH)libapi.a
>  export LIBAPI

Gentle Ping while Alexey is away on vacation !
Arnaldo are you ok with this patch.

Thx,
-Vineet