Found the following significant warnings:
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/adler32.c:63:15: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/adler32.c:134:15: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/adler32.c:143:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/adler32.c:172:15: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/adler32.c:180:15: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/compress.c:22:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/compress.c:68:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/compress.c:81:15: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/crc32.c:117:16: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/crc32.c:542:15: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/crc32.c:566:15: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/crc32.c:717:15: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/crc32.c:726:16: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/crc32.c:739:23: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/crc32.c:1063:23: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/crc32.c:1072:15: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/crc32.c:1084:15: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/crc32.c:1093:15: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/crc32.c:1103:15: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/crc32.c:1110:7: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:204:12: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:231:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:243:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:393:11: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:416:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:485:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:507:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:545:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:557:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:568:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:582:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:609:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:658:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:693:15: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:757:12: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:771:12: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:804:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:1119:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:1145:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:1204:16: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:1234:12: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:1276:12: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:1522:12: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:1685:19: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:1872:19: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:1974:19: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:2105:19: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/deflate.c:2178:19: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzclose.c:11:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:75:12: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:93:14: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:272:16: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:280:16: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:288:16: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:318:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:345:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:368:19: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:445:17: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:457:19: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:474:17: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:484:19: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:507:17: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:517:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:534:22: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:555:14: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzlib.c:581:20: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzread.c:21:11: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzread.c:56:11: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzread.c:91:11: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzread.c:175:11: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzread.c:229:11: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzread.c:259:11: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzread.c:294:16: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzread.c:375:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzread.c:411:18: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzread.c:447:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzread.c:474:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzread.c:481:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzread.c:541:16: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzread.c:605:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzread.c:625:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzwrite.c:17:11: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
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  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzwrite.c:283:18: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
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  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzwrite.c:565:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/gzwrite.c:597:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
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  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/inflate.c:105:11: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
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  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/inflate.c:397:11: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/inflate.c:623:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/inflate.c:1301:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
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  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/inflate.c:1338:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
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  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/inflate.c:1424:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/inflate.c:1482:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/inflate.c:1492:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
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  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/inflate.c:1585:23: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/infback.c:28:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/infback.c:82:12: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/infback.c:250:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/infback.c:632:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/inftrees.c:32:19: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/inffast.c:50:20: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/trees.c:379:20: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
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  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/trees.c:572:12: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
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  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/trees.c:799:11: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
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  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/trees.c:887:20: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/trees.c:897:20: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/trees.c:912:20: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
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  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/trees.c:1043:12: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/trees.c:1103:11: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/trees.c:1137:16: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/trees.c:1152:12: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/trees.c:1169:12: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/uncompr.c:27:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/uncompr.c:86:13: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/zutil.c:133:22: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/zutil.c:305:22: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  /Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00_pkg_src/riot/src/vtk-src/ThirdParty/zlib/vtkzlib/zutil.c:315:20: warning: a function declaration without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
See ‘/Volumes/Builds/packages/big-sur-x86_64/results/4.3/riot.Rcheck/00install.out’ for details.
* used C++ compiler: ‘Apple clang version 14.0.3 (clang-1403.0.22.14.1)’
* used SDK: ‘MacOSX11.3.sdk’