* using log directory 'd:/Rcompile/CRANpkg/local/3.0/CARrampsOcl.Rcheck' * using R version 3.0.1 (2013-05-16) * using platform: x86_64-w64-mingw32 (64-bit) * using session charset: ISO8859-1 * checking for file 'CARrampsOcl/DESCRIPTION' ... OK * checking extension type ... Package * this is package 'CARrampsOcl' version '0.1.3' * checking package namespace information ... OK * checking package dependencies ... ERROR Package required but not available: 'OpenCL' See the information on DESCRIPTION files in the chapter 'Creating R packages' of the 'Writing R Extensions' manual.