Updated linux target.
Merge branch 'work'
Squashed 'source/misc/slre/' content from commit 20712e9

git-subtree-dir: source/misc/slre
git-subtree-split: 20712e9fef0cc51eac3fac80cdb930f898dc19f9
Merge commit 'd0013926e18ed2461c98fad13bcfad1761355ec1' as 'source/misc/slre'
Added subtree of slre library for regex.