Found the following significant warnings:
  Warning: SystemRequirements: invalid C++ specification ‘C++’
See ‘/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/blaster.Rcheck/00install.out’ for details.
* used C++ compiler: ‘Debian clang version 21.1.8 (1+b1)’
Found the following significant warnings:
  Warning: SystemRequirements: invalid C++ specification ‘C++’
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/blaster.Rcheck/00install.out’ for details.
* used C++ compiler: ‘g++-15 (Debian 15.2.0-12) 15.2.0’
Found the following significant warnings:
  Warning: SystemRequirements: invalid C++ specification ‘C++’
See ‘/data/gannet/ripley/R/packages/tests-clang/blaster.Rcheck/00install.out’ for details.
* used C++ compiler: ‘clang version 21.1.8’
Found the following significant warnings:
  Warning: SystemRequirements: invalid C++ specification ‘C++’
See ‘/data/gannet/ripley/R/packages/tests-devel/blaster.Rcheck/00install.out’ for details.
* used C++ compiler: ‘g++ (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2)’
Found the following significant warnings:
  Warning: SystemRequirements: invalid C++ specification 'C++'
See 'd:/Rcompile/CRANpkg/local/4.6/blaster.Rcheck/00install.out' for details.
* used C++ compiler: 'g++.exe (GCC) 14.3.0'
Found the following significant warnings:
  Warning: SystemRequirements: invalid C++ specification ‘C++’
See ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/blaster.Rcheck/00install.out’ for details.
* used C++ compiler: ‘g++-14 (Debian 14.3.0-10) 14.3.0’
installed size is  6.6Mb
  sub-directories of 1Mb or more:
    libs   6.5Mb
installed size is  6.7Mb
  sub-directories of 1Mb or more:
    libs   6.6Mb