For investigation noticed this in an upgrade: configure: WARNING: unrecognized options: --disable-libsoup Seems like USE=http handling is not fully up to date there?
+ 01 Nov 2010; Gilles Dartiguelongue <eva@gentoo.org> -libgda-4.1.0.ebuild, + libgda-4.2.0.ebuild: + Remove old revision. Fix http use flag handling, bug #343613. Thanks for reporting.