udev-145 does not build without upgrading glibc to a version that installs /usr/include/sys/signalfd.h and has no dep on the newer version. emerge -e world, run from a 'fresh' 2008.0 stage3 install will try to build udev before glibc, which fails. Reproducible: Always Steps to Reproduce:
added >=sys-libs/glibc-2.7 to DEPEND. Thanks for reporting.