# Linux Kernel Module Cheat

### 26.12. Update the Buildroot toolchain

Users of this repo will often want to update the compilation toolchain to the latest version to get fresh new features like new ISA instructions.

Because the toolchain is so complex and tightly knitted with the rest of the system, this is more of an art than a science.

However, it is not something to be feared, and you will get there without help in most cases.

In this section we cover the most common cases.

- Update GCC: GCC supported by Buildroot

- Update GCC: GCC not supported by Buildroot