The package fails to build in a test rebuild on at least amd64 with gcc-13/g++-13, but succeeds to build with gcc-12/g++-12. The severity of this report will be raised before the trixie release.
This issue was due to a missing #include <cstdint>, and it was already fixed upstream in an unrelated commit.
I pushed a patch to Salsa together with two other bug fixes, but I'm waiting for a DD to upload it since I can't do that myself.