That means that you can now build "custom-install" build_style
packages in two stages, one for building and one for installation.
--HG--
extra : convert_revision : 4fd76075a1a0bd173854272437c6ca3b263a6f62
This var sets a relative path to $wrksrc that is used to
configure/build/install a package.
--HG--
extra : convert_revision : 690f4d435f3d4e6a9228f7f5f09ecf8b490a273a