Welcome to the CHICKEN Scheme pasting service

~/Documents/code/scheme/old/srfi-259-egg $ chicken-install 
building srfi-259
   /home/user/.local/chicken-6.0.0-pre3/bin/csc -host -D compiling-extension -J -s -regenerate-import-libraries -setup-mode -I /home/user/Documents/code/scheme/old/srfi-259-egg -C -I/home/user/Documents/code/scheme/old/srfi-259-egg -O3 srfi-229.sld -o /home/user/Documents/code/scheme/old/srfi-259-egg/srfi-229.so

Error: Module `srfi-229' has unresolved identifiers
  In file `srfi-229.sld':

  Unknown identifier `unique-id'
    On line 24

  Unknown identifier `create-constructor'
    On line 24

  Unknown identifier `create-predicate'
    On line 24

  Unknown identifier `create-accessor'
    On line 24

Error: shell command terminated with non-zero exit status 1: '/home/user/.local/chicken-6.0.0-pre3/bin/chicken' 'srfi-229.sld' '-output-file' '/home/user/Documents/code/scheme/old/srfi-259-egg/srfi-229.c' '-dynamic' '-feature' 'chicken-compile-shared' '-feature' 'compiling-extension' '-emit-all-import-libraries' '-regenerate-import-libraries' '-setup-mode' '-include-path' '/home/user/Documents/code/scheme/old/srfi-259-egg' '-optimize-level' '3'

Error: shell command terminated with nonzero exit code
256
"sh /home/user/Documents/code/scheme/old/srfi-259-egg/srfi-259.build.sh"