http://comments.gmane.org/gmane.comp.emulators.spice.devel/21006 Compiles fine after bumping spice-protocol to 0.12.9 (renaming spice-protocol-0.12.8.ebuild works fine). Skipping spice-protocol-0.12.8 is suggested: http://lists.freedesktop.org/archives/spice-devel/2015-July/020698.html
Yes please bump spice-protocol to 0.12.9 Thanks!
commit 4b14d479c991e8997ac7cc69455de18825bae6f7 Author: Matthias Maier <tamiko@gentoo.org> Date: Sun Aug 16 12:09:24 2015 -0500 app-emulation/spice-protocol: version bump to 0.12.9 (bug #557576) Bump to version 0.12.9 to fix a header incompatibility Gentoo-Bug: 557576 Gentoo-Bug: 557872 Gentoo-Bug: 557942 Package-Manager: portage-2.2.20.1