Actually doing so as of kernel 2.6.33 will cause the build the fail. Attached patch resolves the problem. Reproducible: Always Steps to Reproduce:
Created attachment 222667 [details, diff] dahdi-2.2.0.2-linux-2.6.33.patch Note that the patch applies to net-misc/dahdi and will update both the ebuild, as well as create a new dahdi-2.2.0.2-linux-2.6.33.patch files in ${FILESDIR}. Compile tested.
+*dahdi-2.2.1.1 (13 Apr 2010) + + 13 Apr 2010; <chainsaw@gentoo.org> +dahdi-2.2.1.1.ebuild: + Version bump, incorporating patches, bug reports, suggestions & other + helpful input from Stefan Flemming, Michael Higgins, Oliver Jaksch, Jaco + Kroon, Kerin "kerframil" Millar & Diego E. "Flameeyes" Pettenò. Closes + bugs #296637, #302316, #302874, #305533, #308099 & #308467.