On build this package on fresh gnome/stage3 with additional mix-in it fails with this error:

configure: error: Package requirements (
fribidi >= 0.10.4
glib-2.0 >= 2.6.0 gthread-2.0 >= 2.6.0 gobject-2.0 >= 2.6.0
libgsf-1 >= 1.14.18
wv-1.0 >= 1.2.0
libxslt
gio-2.0 libgoffice-0.10 >= 0.10.0 libebook-1.2 >= 3.6 libecal-1.2
cairo-pdf cairo-ps pangocairo
gtk+-3.0 >= 3.0.8 gtk+-unix-print-3.0 librsvg-2.0 >= 2.16.0 cairo-fc
x11) were not met:

Package 'libecal-1.2', required by 'virtual:world', not found