Re: [PATCH] perf: Drop -lstdc++ from OPENCSDLIBS

[James Clark <james.clark@arm.com>]

On 02/12/2021 16:07, Uwe Kleine-König wrote:
> On 12/2/21 17:00, Branislav Rankov wrote:
>> I did not have problems when trying crosscompile in both dynamic and static case.
>> But maybe you have a case where this is a problem. I would like to understand what
>> your case is.
>> Does your libOpenCSD.so have a dependency on libstdc++.so?
>> If so, where is the libstdc++.so?
> 
> As noted in an other thread branch: I have libstdc++.so.6.0.29 but not libstdc++.so. For linking this is enough as the binary that is linked doesn't need any symbols from libstdc++.so.
> 
>> If this is a genuine problem, we could add -lstdc++ conditionally only for the
>> static build.
> 
> That seems to be the path to go then.

Hi Uwe,

Yes I think so. There are also quite a few similar cases in the makefiles like:

  ifeq ($(findstring -static,${LDFLAGS}),-static)
    DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
  endif

With the conditional added to this patch:

Reviewed-by: James Clark <james.clark@arm.com>


Thanks
James

> 
> Best regards
> Uwe