build - Building a R package specifying the R version -


i upgraded r version 3.0.0. wa using r.2.15.2, tried load fasttime built previously. off course told me build old version of r , had again.

first let me cannot use update.packages or install.packages (firewall), loaded .tar.gz sources , tried r cmd install --build fasttime_1.0-0.tar.gz, worked used old version of r have in path (i think see r 2.15.2 printed on screen). offcourse cannot change path

question: how can tell r cmd install use r.3.0.0, or how can otherwise


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