Re: [PATCH] perf tools: Fix static building

[Jiri Olsa]

On Mon, Aug 22, 2016 at 08:33:42PM +0300, 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@xxxxxxxxxxxx>
> Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> Cc: Vineet Gupta <vgupta@xxxxxxxxxxxx>
> Cc: Wang Nan <wangnan0@xxxxxxxxxx>
> Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
> Cc: He Kuang <hekuang@xxxxxxxxxx>
> Cc: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
> Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
> Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
> Cc: Zefan Li <lizefan@xxxxxxxxxx>
> Cc: pi3orama@xxxxxxx
> ---
>  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

hum, e3d09ec8126f changelog mentioned python feature adding this by default

but not sure python could be added within static build

jirka

>  
>  LIBAPI = $(API_PATH)libapi.a
>  export LIBAPI
> -- 
> 2.7.4
>