Re: [PATCH v2] tools: perf: fix linker error when libelf config is disabled

From: Sudeep Holla
Date: Wed Jan 04 2017 - 11:08:33 EST




On 04/01/17 16:06, Jiri Olsa wrote:
> On Wed, Jan 04, 2017 at 03:56:03PM +0000, Sudeep Holla wrote:
>> When libelf is disabled in the configuration, we get the following
>> linker error:
>> LINK libperf-jvmti.so
>> ld: cannot find -lelf
>> Makefile.perf:515: recipe for target 'libperf-jvmti.so' failed
>>
>> Jiri pointed out that both librt and libelf are not really required. So
>> this patch fixes the linker error by getting rid of unwanted libraries
>> in the linker stage.
>>
>> Fixes: d4dfdf00d43e ("perf jvmti: Plug compilation into perf build")
>
> hum, AFAICS it linked -lelf and -lrt even before right? ;-)
>

Yes, sorry I forgot to remove that and trace it back the actual commit.

--
Regards,
Sudeep