Index: udev-197-r2.ebuild
===================================================================
RCS file: /var/cvsroot/gentoo-x86/sys-fs/udev/udev-197-r2.ebuild,v
retrieving revision 1.5
diff -u -b -B -r1.5 udev-197-r2.ebuild
--- udev-197-r2.ebuild	14 Jan 2013 20:58:54 -0000	1.5
+++ udev-197-r2.ebuild	15 Jan 2013 00:48:11 -0000
@@ -6,7 +6,7 @@
 
 KV_min=2.6.39
 
-inherit autotools eutils linux-info multilib systemd
+inherit autotools eutils linux-info multilib systemd versionator
 
 if [[ ${PV} = 9999* ]]
 then
@@ -96,6 +96,16 @@
 	fi
 }
 
+pkg_pretend()
+{
+	 if has_version '>=sys-libs/glibc-2.16' && \
+		 ! version_is_at_least 4.6 $(gcc-version); then
+	 eerror "You are using >=glibc-2.16."
+	 eerror "With this version of glibc, udev requires at least gcc-4.6."
+	 die "Incompatible gcc and glibc versions."
+ fi
+}
+
 pkg_setup()
 {
 	# required kernel options