"pkg-config --variable=libdir arrow". Does this help this case?
> Maybe pkg-config can help ?
>>> But this is bare minimal by design.
>>>> the build will be faster.
>>>>> we should get the ci/ changes for R into master soon.
>>>>>> Can you show an example?
>>>>> the r job and the only doing the  analysis.
>>>>> about 50% of the time.
>>>>>>>> comment out job entries in .travis.yml.
>>>>> make it faster for travis.