makedevs fails to compile with compiler flags which elevate common string formatting issues into an error (-Wformat -Wformat-security -Werror=format-security).
Patch created at http://lists.openembedded.org/pipermail/openembedded-core/2016-May/121571.html
Patch version 2 was created at http://lists.openembedded.org/pipermail/openembedded-core/2016-May/121637.html
Patch version 3 at http://lists.openembedded.org/pipermail/openembedded-core/2016-May/121640.html
Fixed in oe-core f6b0dd13ac90bb431bb51e0cbf1681a4d9fbea14.