see build.log
Created attachment 263303 [details] build.log
looks like we failed to pass the proper option.
+ 21 Feb 2011; Pacho Ramos <pacho@gentoo.org> gnome-pilot-2.32.0.ebuild: + configure enabled HAL support if --enable-usb --enable-network OR + --enable-pilotlinktest are forced, dropping them as it will result in them + being enabled (as wanted) without breaking HAL support configure handling + (bug #355859 by Markos Chandras). +