* using log directory 'd:/Rcompile/CRANpkg/local/4.1/rgl.Rcheck'
* using R version 4.1.3 (2022-03-10)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: ISO8859-1
* checking for file 'rgl/DESCRIPTION' ... OK
* this is package 'rgl' version '1.1.3'
* 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 'rgl' can be installed ... ERROR
Installation failed.
See 'd:/Rcompile/CRANpkg/local/4.1/rgl.Rcheck/00install.out' for details.
* DONE
The installation logfile:

install for i386

* installing *source* package 'rgl' ...
** package 'rgl' successfully unpacked and MD5 sums checked
** using staged installation
** libs
make[1]: Entering directory '/d/temp/RtmpM1odIt/R.INSTALL68dc257a6143/rgl/src'
Makevars.win:33: *** missing separator.  Stop.
make[1]: Leaving directory '/d/temp/RtmpM1odIt/R.INSTALL68dc257a6143/rgl/src'
ERROR: compilation failed for package 'rgl'
* removing 'd:/Rcompile/CRANpkg/lib/4.1/rgl'
* restoring previous 'd:/Rcompile/CRANpkg/lib/4.1/rgl'