Created attachment 174047 [details]
Remove object files from source
R tests complain if there are .o and .so objects in the source code (i.e. it expects a clean source directory).
The attached patch cleans up before running the tests.
*** Bug 212135 has been marked as a duplicate of this bug. ***
Please go ahead.
Please feel free to take maintainership of cran.mk.
Thank you !
Should this be MFH'd ?
A commit references this bug:
Date: Fri Aug 26 20:30:18 UTC 2016
New revision: 420948
Mk/Uses/cran.mk: fix WARNING in cran tests.
R warns if it detects .o or .so objects in the source directory, when
running tests. Remove the offending files before running the test.
Take maintainership 
Approved by: wen 
Commited, and taken maintainership. Thank you for maintaining cran to this point :-D