Created attachment 346588 [details, diff] inkscape-0.48.4-r1.ebuild.diff The new python eclasses have various advantages inlcuding deprecation of python-updater and enforced consistency for dependencies. The ebuild diff also incorporates the patch of bug 467228 and adds slot :0 for libpng (_only_ slot 0 has headers, so version>=1.2 does not suffice).
Created attachment 346590 [details, diff] inkscape-0.48.4-epython.patch use a patch, because pure sed is too fragile
+*inkscape-0.48.4-r1 (01 May 2013) + + 01 May 2013; Julian Ospald <hasufell@gentoo.org> +inkscape-0.48.4-r1.ebuild, + +files/inkscape-0.48.4-automake-1.3.patch, + +files/inkscape-0.48.4-epython.patch: + convert to python-single-r1 wrt #467234 and fix build with automake-1.13 wrt + #467228