Installation failed.
See ‘/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/synlik.Rcheck/00install.out’ for details.
Installation failed.
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/synlik.Rcheck/00install.out’ for details.
Installation failed.
See ‘/data/gannet/ripley/R/packages/tests-clang/synlik.Rcheck/00install.out’ for details.
Installation failed.
See ‘/data/gannet/ripley/R/packages/tests-devel/synlik.Rcheck/00install.out’ for details.
Installation failed.
See 'd:/Rcompile/CRANpkg/local/4.6/synlik.Rcheck/00install.out' for details.
File ‘synlik/libs/synlik.so’:
  Found non-API call to R: ‘dchdc_’

Compiled code should not call non-API entry points in R.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual,
and section ‘Moving into C API compliance’ for issues with the use of
non-API entry points.