linux-2.6.20-sabayon-r3 failed to compile
/drivers/acpi/blacklist.c:82 compile error - efi_enabled

xorg-server-1.1.99.903-r2 failed to compile
failed patch:1.1.99.903-dri-drm-workaround-for-stupid-drivers.patch

cairo needs USE=glitz

evolution-sharp-0.11.1 failes - 
You need to install evolution-shell
evolution-shell is not in the portage tree (i have evolution emerged)

qt-3.3.8 failed - hasn't been modified with immqt