Found the following significant warnings:
  ../inst/include/sundials/sundials_nvector.h:163:37: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_nonlinearsolver.h:131:56: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_matrix.h:106:41: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_linearsolver.h:137:50: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  sundials/sundials/sundials_linearsolver.c:28:34: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  sundials/sundials/sundials_matrix.c:29:25: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  sundials/sundials/sundials_nonlinearsolver.c:26:40: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  sundials/sundials/sundials_nvector.c:28:21: 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/sundialr.Rcheck/00install.out’ for details.
* used C++ compiler: ‘Debian clang version 15.0.6’
Specified C++11: please drop specification unless essential
Found the following significant warnings:
  ../inst/include/sundials/sundials_nvector.h:163:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_nonlinearsolver.h:131:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_matrix.h:106:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_linearsolver.h:137:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_linearsolver.c:28:17: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_matrix.c:29:11: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_nonlinearsolver.c:26:20: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_nvector.c:28:10: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/sundialr.Rcheck/00install.out’ for details.
* 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:
  ../inst/include/sundials/sundials_nvector.h:163:37: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_nonlinearsolver.h:131:56: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_matrix.h:106:41: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_linearsolver.h:137:50: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  sundials/sundials/sundials_linearsolver.c:28:34: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  sundials/sundials/sundials_matrix.c:29:25: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  sundials/sundials/sundials_nonlinearsolver.c:26:40: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  sundials/sundials/sundials_nvector.c:28:21: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-clang/sundialr.Rcheck/00install.out’ for details.
* used C++ compiler: ‘clang version 16.0.3’
Specified C++11: please drop specification unless essential
Found the following significant warnings:
  ../inst/include/sundials/sundials_nvector.h:163:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_nonlinearsolver.h:131:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_matrix.h:106:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_linearsolver.h:137:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_linearsolver.c:28:17: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_matrix.c:29:11: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_nonlinearsolver.c:26:20: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_nvector.c:28:10: warning: function declaration isn't a prototype [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-devel/sundialr.Rcheck/00install.out’ for details.
* used C++ compiler: ‘g++-13 (GCC) 13.1.0’
Specified C++11: please drop specification unless essential
Found the following significant warnings:
  ../inst/include/sundials/sundials_nvector.h:163:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_nonlinearsolver.h:131:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_matrix.h:106:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_linearsolver.h:137:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_linearsolver.c:28:17: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_matrix.c:29:11: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_nonlinearsolver.c:26:20: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_nvector.c:28:10: warning: function declaration isn't a prototype [-Wstrict-prototypes]
See 'd:/Rcompile/CRANpkg/local/4.4/sundialr.Rcheck/00install.out' for details.
* used C++ compiler: 'g++.exe (GCC) 12.2.0'
Specified C++11: please drop specification unless essential
Found the following significant warnings:
  ../inst/include/sundials/sundials_nvector.h:163:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_nonlinearsolver.h:131:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_matrix.h:106:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_linearsolver.h:137:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_linearsolver.c:28:17: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_matrix.c:29:11: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_nonlinearsolver.c:26:20: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_nvector.c:28:10: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
See ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/sundialr.Rcheck/00install.out’ for details.
* 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:
  ../inst/include/sundials/sundials_nvector.h:163:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_nonlinearsolver.h:131:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_matrix.h:106:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_linearsolver.h:137:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_linearsolver.c:28:17: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_matrix.c:29:11: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_nonlinearsolver.c:26:20: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_nvector.c:28:10: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
See ‘/home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/sundialr.Rcheck/00install.out’ for details.
* 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  5.6Mb
  sub-directories of 1Mb or more:
    libs   3.2Mb
Specified C++11: please drop specification unless essential
installed size is  5.8Mb
  sub-directories of 1Mb or more:
    libs   3.3Mb
Found the following significant warnings:
  ../inst/include/sundials/sundials_nvector.h:163:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_nonlinearsolver.h:131:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_matrix.h:106:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../inst/include/sundials/sundials_linearsolver.h:137:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_linearsolver.c:28:17: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_matrix.c:29:11: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_nonlinearsolver.c:26:20: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  sundials/sundials/sundials_nvector.c:28:10: warning: function declaration isn't a prototype [-Wstrict-prototypes]
See 'd:/Rcompile/CRANpkg/local/4.3/sundialr.Rcheck/00install.out' for details.
* used C++ compiler: 'g++.exe (GCC) 12.2.0'
Specified C++11: please drop specification unless essential
installed size is  5.6Mb
  sub-directories of 1Mb or more:
    libs   3.2Mb
installed size is  5.5Mb
  sub-directories of 1Mb or more:
    libs   3.1Mb