Due to missing headers, inkscape fails to build with GCC 4.4. The attached patch adds the necessary includes to enable the build.
Created attachment 187427 [details, diff] patch to enable GCC 4.4 build
fixed in cvs, thanks for the patch! make sure that upstream gets that patch too (if they don't have it yet)... =) 20 Apr 2009; Markus Meier <maekke@gentoo.org> +files/inkscape-0.46-gcc44.patch, inkscape-0.46-r5: fix building with gcc-4.4 by Daniel J. in bug #265041