Hi Robin. On 26 March 2019 at 13:33, robin hankin wrote: | R CMD check RcppGSL_0.3.6.tar.gz clean for me under R-3.5.2, mac os 10.13.6 Thanks a lot -- and also to Kevin who chimed in over at GitHub (and for whom it also works). Dirk -- http://dirk.eddelbuettel.com | @eddelbuettel | edd at debian.org