Binary distributions of the GCC toolchain are available to download for a number of specific targets and host machines. To compile the code for the ARM Cortex-M microprocessors, the arm-none-eabi toolchain is made available for most GNU/Linux distributions. However, in some cases, it might be handy to build the toolchain entirely from the sources. This might be, for example, when the compiler for a certain target does not exist yet or is not shipped in binary format for our favorite development environment. This process is also useful to better understand the various components that are required to build the tools.
Crosstool-NG is an open source project, which consists of a set of scripts aimed to automate the process ...
