Gentoo's Bugzilla –
Attachment 876273 Details for
Bug 918992sys-kernel/linux-headers struct termio from arch/sparc/include/uapi/asm/termbits.h conflicts with bits/ioctl-types.h from sys-libs/glibc (was: net-dialup/ppp-2.5.0-r3: fails to compile with error: redefinition of ‘struct termio’)