* gnu/packages/squirrel.scm (squirrel)[arguments]: Disable building static libraries. Add 'install-documentation' and 'install-headers' phases. [native-inputs]: Add python-sphinx.
* gnu/packages/squirrel.scm (squirrel)[arguments]: Disable building static libraries. Add 'install-documentation' and 'install-headers' phases. [native-inputs]: Add python-sphinx.