• using R Under development (unstable) (2023-05-27 r84465)
• using platform: x86_64-pc-linux-gnu
• R was compiled by
      gcc-12 (Debian 12.2.0-14) 12.2.0
      GNU Fortran (Debian 12.2.0-14) 12.2.0
• running under: Debian GNU/Linux 12 (bookworm)
• using session charset: UTF-8
• checking for file ‘dfpk/DESCRIPTION’ ... OK
• checking extension type ... Package
• this is package ‘dfpk’ version ‘3.5.1’
• 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 executable files ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking serialization versions ... OK
• checking whether package ‘dfpk’ can be installed ... ERROR
  Installation failed.
  See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/dfpk.Rcheck/00install.out’ for details.
• DONE
  See https://www.r-project.org/nosvn/R.check/r-devel-linux-x86_64-debian-gcc/dfpk-00install.html for details.