libtins is a high-level, multiplatform C++ network packet sniffing and crafting library. Its main purpose is to provide the C++ developer an easy, efficient, platform and endianess-independent way to create tools which need to send, receive and manipulate network packets.

This is used to develop subsets of the libstdc++ shared libraries for use on custom installation floppies and in embedded systems.

This protobuf compiler plugin is from github.com/golang/protobuf module, which is deprecated.

It achieves the improvements by optimizing application's code layout based on execution profile gathered by sampling profiler.

libunwind is a production-quality unwinder, with platform support for DWARF unwind info, SjLj, and ARM EHABI.

The runtime is the part of the OpenMP implementation that your code is linked against, and that manages the multiple threads in an OpenMP program while it is executing.