Explore the critical role of GNU Toolchain and Clang/LLVM in the Linux ecosystem through this comprehensive conference talk from the Linux Plumbers Conference. Delve into recent developments, roadmaps, and strategies for addressing challenges in the rapidly evolving landscape of Linux Kernel, Open Source Software, and computer hardware. Learn about the history of beginners, the components of the toolchain, Linux distributions, and GCC support. Gain insights into Intel CET, GLib C, Linux, Mentor Graphics, and GDB. Conclude with a discussion on future issues and their potential impact on the toolchain ecosystem.