This folder contains various support packages for different development tools.
The CMake toolchain file toolchain-mc1.cmake can be used for building CMake projects for the MC1 computer. Just pass the option -DCMAKE_TOOLCHAIN_FILE=toolchain-mc1.cmake to CMake.
Copy or symlink mr32asm.lang to ~/.local/share/gtksourceview-4/language-specs/ (or ~/.local/share/gtksourceview-3.0/language-specs/ for GtkSourceView 3).