Following bug 506548, some ebuilds depends on virtual/opengl for getting a GLES implentation. But some platforms like raspberrypi have packages providing only GLES and no opengl libs, So we must split virtual/opengl in two and creating virtual/gles Reproducible: Always
Created attachment 374838 [details] virtual/gles ebuild
Proposals for new virtuals go to the gentoo-dev mailing list.