Found the following significant warnings:
  init.c:29:43: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:30:45: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:31:46: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:33:51: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:34:52: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:36:43: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:37:43: 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/datastructures.Rcheck/00install.out’ for details.
* used C compiler: ‘Debian clang version 15.0.6’
* used C++ compiler: ‘Debian clang version 15.0.6’
Specified C++11: please drop specification unless essential
Found the following significant warnings:
  init.c:29:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:30:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:31:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:33:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:34:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:36:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:37:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/datastructures.Rcheck/00install.out’ for details.
* used C compiler: ‘gcc-12 (Debian 12.2.0-14) 12.2.0’
* used C++ compiler: ‘g++-12 (Debian 12.2.0-14) 12.2.0’
Specified C++11: please drop specification unless essential
Found the following significant warnings:
  init.c:29:43: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:30:45: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:31:46: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:33:51: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:34:52: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:36:43: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:37:43: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-clang/datastructures.Rcheck/00install.out’ for details.
* used C compiler: ‘clang version 16.0.2’
* used C++ compiler: ‘clang version 16.0.2’
Specified C++11: please drop specification unless essential
‘cleanup’: ‘env bash’ is not portable as bash need not be installed
Found the following significant warnings:
  init.c:29:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  init.c:30:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  init.c:31:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  init.c:33:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  init.c:34:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  init.c:36:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  init.c:37:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-devel/datastructures.Rcheck/00install.out’ for details.
* used C compiler: ‘gcc-13 (GCC) 13.1.0’
* used C++ compiler: ‘g++-13 (GCC) 13.1.0’
Specified C++11: please drop specification unless essential
‘cleanup’: ‘env bash’ is not portable as bash need not be installed
Specified C++11: please drop specification unless essential
Found the following significant warnings:
  init.c:29:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:30:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:31:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:33:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:34:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:36:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:37:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
See ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/datastructures.Rcheck/00install.out’ for details.
* used C compiler: ‘gcc-11 (Debian 11.3.0-12) 11.3.0’
* used C++ compiler: ‘g++-11 (Debian 11.3.0-12) 11.3.0’
Specified C++11: please drop specification unless essential
Found the following significant warnings:
  init.c:29:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:30:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:31:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:33:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:34:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:36:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:37:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
See ‘/home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/datastructures.Rcheck/00install.out’ for details.
* used C compiler: ‘gcc-11 (Debian 11.3.0-12) 11.3.0’
* used C++ compiler: ‘g++-11 (Debian 11.3.0-12) 11.3.0’
Specified C++11: please drop specification unless essential
Specified C++11: please drop specification unless essential
installed size is 62.0Mb
  sub-directories of 1Mb or more:
    libs  61.1Mb
Specified C++11: please drop specification unless essential
installed size is 47.6Mb
  sub-directories of 1Mb or more:
    libs  46.6Mb
Specified C++11: please drop specification unless essential
installed size is 56.3Mb
  sub-directories of 1Mb or more:
    libs  55.4Mb
installed size is 59.8Mb
  sub-directories of 1Mb or more:
    libs  58.9Mb