PicoBlaze-6 port for SDCC 3+
Decompress the whole SDCC tree directly into the repository, to have SDCC's src folder overlap PBCC's one.
Then run glue.sh with SDCC_HOME environment variable set to the repository root.
After that, it's just good old autoconf; ./configure; make
Tests need to have the tools compiled in test/src/tools (Makefile)
Then, from the test/src folder, run ./check