Fortunately I have a patch. Reproducible: Always
Created attachment 372518 [details] pycairo-1.10.0-waf-python3.4.patch
Created attachment 373016 [details] pycairo.tar.xz Contains ebuild.patch which should be applied on the ebuild, and two patches which go in files.
Bump
I said bump.
21 May 2014; Ian Delaney <idella4@gentoo.org> +files/pycairo-1.10.0-waf-py3_4.patch, +files/pycairo-1.10.0-waf-unpack.patch, pycairo-1.10.0-r4.ebuild: drop py2.6 add py3.4, patches to fix configure failure under py3.4, patch courtesy of Hristo Venev via Bug #504342 (early March)