* installing *source* package 'ROracle' ...
** package 'ROracle' successfully unpacked and MD5 sums checked
** using staged installation
ERROR: cannot find Oracle Client.
       Please set OCI_LIB64 to specify its location.
ERROR: configuration failed for package 'ROracle'
* removing 'd:/Rcompile/CRANpkg/lib/4.4/ROracle'