Graham,
For tests, can you add
--no-byte-compile
to R CMD INSTALL (via dh-r) to if that tickles it?
Else, for other (big) packages I have set the CFLAGS, CXXFLAGS, (et al) to a
lower level too. We could look at (R)QuantLib as an example. It has massive
C++ compilation demands for RAM.
Dirk
--
http://dirk.eddelbuettel.com | @eddelbuettel | [email protected]

