Squashed 'strategoxt/stratego-libraries/strc/lib/runtime-libraries/' content from commit f9edace

git-subtree-dir: strategoxt/stratego-libraries/strc/lib/runtime-libraries
git-subtree-split: f9edace086e8ff84df1cc6121871fcd2df1bc319
Merge commit '2d899d3a84e9dd45c6ec0d0251e47b1e4f850332' as 'strategoxt/stratego-libraries/strc/lib/runtime-libraries'
Try to make the runtime-libraries available to strc during build-time