* using log directory 'd:/Rcompile/CRANpkg/local/4.0gcc8/OpenCL.Rcheck' * using R version 4.0.0 RC (2020-04-17 r78247) * using platform: x86_64-w64-mingw32 (64-bit) * using session charset: ISO8859-1 * checking for file 'OpenCL/DESCRIPTION' ... OK * this is package 'OpenCL' version '0.2-1' * checking package namespace information ... OK * checking package dependencies ... OK * checking if this is a source package ... OK * checking if there is a namespace ... OK * checking for hidden files and directories ... OK * checking for portable file names ... OK * checking whether package 'OpenCL' can be installed ... ERROR Installation failed. See 'd:/Rcompile/CRANpkg/local/4.0gcc8/OpenCL.Rcheck/00install.out' for details. * DONE The installation logfile: * installing *source* package 'OpenCL' ... ** package 'OpenCL' successfully unpacked and MD5 sums checked ** using staged installation ERROR: OCL not set! You will need a working OpenCL SDK with headers and libraries for both i386 and x64 Set OCL to the root of the SDK You can also set individial variables OCLINC, OCL32LIB and OCL64LIB. If they are not set, the default layout will be assumed. ERROR: configuration failed for package 'OpenCL' * removing 'd:/Rcompile/CRANpkg/lib/4.0gcc8/OpenCL'