On Sun, 02/16/2025 03:13:35 PM, Hefee wrote: > I would expect you need to use the current headers from libprotobuf-c-dev > headers and the problem is solved.
You may right. Thanks. The files are located in https://sources.debian.org/src/protobuf-c/1.5.1-1/protobuf-c and also in the project: https://sources.debian.org/src/libsignal-protocol-c/2.3.3-3/src/protobuf-c -- Stefan