Found the following significant warnings:
  libqhull/geom2.c:1950:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
See ‘/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/TukeyRegion.Rcheck/00install.out’ for details.
* used C++ compiler: ‘Debian clang version 15.0.6’
Specified C++11: please drop specification unless essential
File ‘TukeyRegion/libs/TukeyRegion.so’:
  Found ‘__sprintf_chk’, possibly from ‘sprintf’ (C)
    Objects: ‘libqhull/global.o’, ‘libqhull/rboxlib.o’

Compiled code should not call entry points which might terminate R nor
write to stdout/stderr instead of to the console, nor use Fortran I/O
nor system RNGs nor [v]sprintf.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
Specified C++11: please drop specification unless essential
File ‘TukeyRegion/libs/TukeyRegion.so’:
  Found ‘__sprintf_chk’, possibly from ‘sprintf’ (C)
    Objects: ‘libqhull/global.o’, ‘libqhull/rboxlib.o’

Compiled code should not call entry points which might terminate R nor
write to stdout/stderr instead of to the console, nor use Fortran I/O
nor system RNGs nor [v]sprintf.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
Found the following significant warnings:
  libqhull/geom2.c:1950:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-clang/TukeyRegion.Rcheck/00install.out’ for details.
* used C++ compiler: ‘clang version 15.0.7’
Specified C++11: please drop specification unless essential
File ‘TukeyRegion/libs/TukeyRegion.so’:
  Found ‘sprintf’, possibly from ‘sprintf’ (C)
    Objects: ‘libqhull/global.o’, ‘libqhull/rboxlib.o’

Compiled code should not call entry points which might terminate R nor
write to stdout/stderr instead of to the console, nor use Fortran I/O
nor system RNGs nor [v]sprintf.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
Specified C++11: please drop specification unless essential
File ‘TukeyRegion/libs/TukeyRegion.so’:
  Found ‘__sprintf_chk’, possibly from ‘sprintf’ (C)
    Objects: ‘libqhull/global.o’, ‘libqhull/rboxlib.o’

Compiled code should not call entry points which might terminate R nor
write to stdout/stderr instead of to the console, nor use Fortran I/O
nor system RNGs nor [v]sprintf.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
Specified C++11: please drop specification unless essential
installed size is  5.6Mb
  sub-directories of 1Mb or more:
    libs   5.5Mb
installed size is  5.2Mb
  sub-directories of 1Mb or more:
    libs   5.1Mb
installed size is  5.6Mb
  sub-directories of 1Mb or more:
    libs   5.5Mb
installed size is  5.2Mb
  sub-directories of 1Mb or more:
    libs   5.1Mb