Fails to compile eigein3 on gcc13

[irismessage]

lots of errors like this:

home/joelm/src/monster-mash/src/../third_party/tinygltf/tiny_gltf.h:895:47: error: ‘uint32_t’ does not name a type
  895 |           GetComponentSizeInBytes(static_cast<uint32_t>(componentType));
      |                                               ^~~~~~~~
/home/joelm/src/monster-mash/src/../third_party/tinygltf/tiny_gltf.h:895:47: note: ‘uint32_t’ is defined in header ‘<cstdint>’; did you forget to ‘#include <cstdint>’?
/home/joelm/src/monster-mash/src/../third_party/tinygltf/tiny_gltf.h:895:71: error: ‘tinygltf::GetComponentSizeInBytes’ cannot be used as a function
  895 |           GetComponentSizeInBytes(static_cast<uint32_t>(componentType));
      |                                                                       ^
/home/joelm/src/monster-mash/src/../third_party/tinygltf/tiny_gltf.h:900:42: error: ‘uint32_t’ was not declared in this scope; did you mean ‘ImageExternal::uint32_t’?
  900 |       if ((bufferViewObject.byteStride % uint32_t(componentSizeInBytes)) != 0) {
      |                                          ^~~~~~~~
      |                                          ImageExternal::uint32_t
/usr/include/bits/stdint-uintn.h:26:20: note: ‘ImageExternal::uint32_t’ declared here
   26 | typedef __uint32_t uint32_t;
      |                    ^~~~~~~~
In file included from /home/joelm/src/monster-mash/src/../third_party/eigen3/Eigen/Core:367,
                 from /home/joelm/src/monster-mash/src/exportgltf.h:21:
/home/joelm/src/monster-mash/src/../third_party/eigen3/Eigen/src/Core/util/Meta.h: At global scope:
/home/joelm/src/monster-mash/src/../third_party/eigen3/Eigen/src/Core/util/Meta.h:547:14: error: ‘uint32_t’ in namespace ‘std’ does not name a type; did you mean ‘int32_t’?
  547 | typedef std::uint32_t uint32_t;
      |              ^~~~~~~~
      |              int32_t
/home/joelm/src/monster-mash/src/../third_party/eigen3/Eigen/src/Core/util/Meta.h:549:14: error: ‘uint64_t’ in namespace ‘std’ does not name a type; did you mean ‘int64_t’?
  549 | typedef std::uint64_t uint64_t;
      |              ^~~~~~~~
      |              int64_t
make[2]: *** [CMakeFiles/monstermash.dir/build.make:205: CMakeFiles/monstermash.dir/exportgltf.cpp.o] Error 1
make[2]: Leaving directory '/home/joelm/src/monster-mash/.build/Release'
make[1]: *** [CMakeFiles/Makefile2:86: CMakeFiles/monstermash.dir/all] Error 2
make[1]: Leaving directory '/home/joelm/src/monster-mash/.build/Release'
make: *** [Makefile:94: all] Error 2

[irismessage]

works fine with gcc-12 and g++-12. needs the #include <cstdint> I think.