It has an RDEP on emul-linux-x86-baselibs. However, it's just some assembler with '-nostdlib' linking, so I guess the dep is completely unnecessary and pointless. Maybe just ancient. Is it fine to drop it?
+*cpuburn-1.4a-r1 (16 Jun 2014) + + 16 Jun 2014; Justin Lecher <jlec@gentoo.org> -cpuburn-1.4.ebuild, + cpuburn-1.4a.ebuild, +cpuburn-1.4a-r1.ebuild, +files/01-variables.patch, + metadata.xml: + Drop old; drop unnecessary emul-linux dep, #492962; add patch from debian + fixing variable declaration +