New version is out ant it's necessary for fixing wings package, which doesn't work with current, outdated one.
Rebar, necessary to build it, is already in the portage.
Created attachment 370982 [details]
Working esdl-1.3.1 ebuild
The attached ebuild is working for me locally. Going to create a bug for a new cl ebuild, also. Am using wings-1.5.2 with no problems.
*** This bug has been marked as a duplicate of bug 453822 ***