As requested, I split TinyScheme in two packages: one installs the TinyScheme interpreter and the init.scm file, and the other installs the library for embedding TinyScheme in a C program. The libreCMC merge commit is here:
This is fundamentally a complete package (packages) but an area of improvement would be to reduce the size of compiled binaries, to take up less of that precious embedded flash space. I believe there are some additional compiler flags which could help with that.
The Libre Hacker 