Found the following significant warnings:
  simple_date/date.h:952:34: warning: identifier '_d' preceded by whitespace in a literal operator declaration is deprecated [-Wdeprecated-literal-operator]
  simple_date/date.h:953:34: warning: identifier '_y' preceded by whitespace in a literal operator declaration is deprecated [-Wdeprecated-literal-operator]
  simple_date/date.h:1871:13: warning: identifier '_d' preceded by whitespace in a literal operator declaration is deprecated [-Wdeprecated-literal-operator]
  simple_date/date.h:1879:13: warning: identifier '_y' preceded by whitespace in a literal operator declaration is deprecated [-Wdeprecated-literal-operator]
See ‘/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/datasailr.Rcheck/00install.out’ for details.
* used C++ compiler: ‘Debian clang version 19.1.7 (1+b1)’
Specified C++11: please drop specification unless essential
File ‘datasailr/libs/datasailr.so’:
  Found ‘_ZSt4cout’, possibly from ‘std::cout’ (C++)
    Object: ‘libsailr/libsailr.a’
  Found ‘exit’, possibly from ‘exit’ (C)
    Object: ‘libsailr/libsailr.a’
  Found ‘sprintf’, possibly from ‘sprintf’ (C)
    Object: ‘libsailr/libsailr.a’
  Found ‘stderr’, possibly from ‘stderr’ (C)
    Object: ‘libsailr/libsailr.a’
  Found ‘stdout’, possibly from ‘stdout’ (C)
    Object: ‘libsailr/libsailr.a’

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 ‘datasailr/libs/datasailr.so’:
  Found ‘_ZSt4cout’, possibly from ‘std::cout’ (C++)
    Object: ‘libsailr/libsailr.a’
  Found ‘exit’, possibly from ‘exit’ (C)
    Object: ‘libsailr/libsailr.a’
  Found ‘sprintf’, possibly from ‘sprintf’ (C)
    Object: ‘libsailr/libsailr.a’
  Found ‘stderr’, possibly from ‘stderr’ (C)
    Object: ‘libsailr/libsailr.a’
  Found ‘stdout’, possibly from ‘stdout’ (C)
    Object: ‘libsailr/libsailr.a’

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:
  simple_date/date.h:952:34: warning: identifier '_d' preceded by whitespace in a literal operator declaration is deprecated [-Wdeprecated-literal-operator]
  simple_date/date.h:953:34: warning: identifier '_y' preceded by whitespace in a literal operator declaration is deprecated [-Wdeprecated-literal-operator]
  simple_date/date.h:1871:13: warning: identifier '_d' preceded by whitespace in a literal operator declaration is deprecated [-Wdeprecated-literal-operator]
  simple_date/date.h:1879:13: warning: identifier '_y' preceded by whitespace in a literal operator declaration is deprecated [-Wdeprecated-literal-operator]
See ‘/data/gannet/ripley/R/packages/tests-clang/datasailr.Rcheck/00install.out’ for details.
* used C++ compiler: ‘clang version 20.1.0’
Specified C++11: please drop specification unless essential
File ‘datasailr/libs/datasailr.so’:
  Found ‘_ZNSt3__14coutE’, possibly from ‘std::cout’ (C++)
    Object: ‘libsailr/libsailr.a’
  Found ‘__sprintf_chk’, possibly from ‘sprintf’ (C)
    Object: ‘libsailr/libsailr.a’
  Found ‘exit’, possibly from ‘exit’ (C)
    Object: ‘libsailr/libsailr.a’
  Found ‘stderr’, possibly from ‘stderr’ (C)
    Object: ‘libsailr/libsailr.a’
  Found ‘stdout’, possibly from ‘stdout’ (C)
    Object: ‘libsailr/libsailr.a’

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 ‘datasailr/libs/datasailr.so’:
  Found ‘_ZSt4cout’, possibly from ‘std::cout’ (C++)
    Object: ‘libsailr/libsailr.a’
  Found ‘__sprintf_chk’, possibly from ‘sprintf’ (C)
    Object: ‘libsailr/libsailr.a’
  Found ‘exit’, possibly from ‘exit’ (C)
    Object: ‘libsailr/libsailr.a’
  Found ‘stderr’, possibly from ‘stderr’ (C)
    Object: ‘libsailr/libsailr.a’
  Found ‘stdout’, possibly from ‘stdout’ (C)
    Object: ‘libsailr/libsailr.a’

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
Specified C++11: please drop specification unless essential
Specified C++11: please drop specification unless essential
Specified C++11: please drop specification unless essential
Specified C++11: please drop specification unless essential
GNU make is a SystemRequirements.
Specified C++11: please drop specification unless essential
GNU make is a SystemRequirements.
Specified C++11: please drop specification unless essential
installed size is  5.0Mb
  sub-directories of 1Mb or more:
    libs   4.6Mb
GNU make is a SystemRequirements.
Specified C++11: please drop specification unless essential
GNU make is a SystemRequirements.
Specified C++11: please drop specification unless essential
installed size is  5.1Mb
  sub-directories of 1Mb or more:
    libs   4.6Mb
GNU make is a SystemRequirements.
Specified C++11: please drop specification unless essential
installed size is  5.0Mb
  sub-directories of 1Mb or more:
    libs   4.6Mb
GNU make is a SystemRequirements.
Specified C++11: please drop specification unless essential
GNU make is a SystemRequirements.