Prep for adding more CI targets. Building dbg and opt in the same job
(as standard) simplifies caching, debugging and artifact handling. With
ccache it should not take much longer either. Also removes the need to
re-configure in the test job.
* Add the initial version of CI using GitHub Actions
* Update .github/workflows/check_pr.yml
Co-authored-by: Wilson Snyder <wsnyder@wsnyder.org>
* remove setting for travis
* rename travis-*.bash to ci-*.bash
* Rename TRAVIS_ variables to CI_
* install ccache and libsystemc(-dev) in ci-install.bash
* Use CI_ variables and Ubuntu-20.04 that provides SystemC
* call ccache maintenance
Co-authored-by: Wilson Snyder <wsnyder@wsnyder.org>
