[OE-core] About PACKAGECONFIG audit

[wenzong fan]

On 08/15/2013 05:44 PM, Paul Eggleton wrote:
> Hi Wenzong,
>
> On Thursday 15 August 2013 17:29:46 wenzong fan wrote:
>> We have seen some problems like this:
>>
>> $ bitbake libcap
>>
>> ld: warning: libaudit.so.1, needed by .../lib64/libpam.so, not found
>> .../lib64/libpam.so: undefined reference to `audit_open'
>> .../lib64/libpam.so: undefined reference to `audit_close'
>> ......
>>
>> The libaudit has been available and libpam build with it, after we run
>> another build with sstate-cache and w/o libaudit, the error occurs. The
>> solution in these cases is to use PACKAGECONFIG to lay out dependencies
>> on optional packages and make them explicit. We need to run an audit and
>> catch all of these issues.
>>
>> A probable ways maybe:
>>
>> 1) Run world build to generate the sysroots as much as possible;
>
> (See Ross's reply for a pointer to the new test-dependencies script)

That would be a good start point, I have run that script once, but looks 
not any failure occurs.

I'll find a box and run it periodically.

Thanks
Wenzong

>
>> 2) Run 'configure --help' on each package to spot all of the optional
>> dependencies, and convert them into PACKAGECONFIG specs/or any other
>> prompts.
>
> Actually I have started along this line as well, putting the output of
> configure --help into buildhistory so you can see the differences. I'm not
> totally sure how useful it is at the moment and it will need some smooting out
> to avoid known differences (paths etc.).
>
> Cheers,
> Paul
>