e-contact-editor.c: In function 'fill_in_simple_field':
e-contact-editor.c:2197: error: 'EContactPhoto' has no member named 'length'
e-contact-editor.c:2197: error: incompatible type for argument 2 of 'e_image_chooser_set_image_data'
e-contact-editor.c: In function 'extract_simple_field':
e-contact-editor.c:2264: error: 'EContactPhoto' has no member named 'length'
e-contact-editor.c:2264: warning: passing argument 2 of 'e_image_chooser_get_image_data' from incompatible pointer type
e-contact-editor.c:2268: error: 'EContactPhoto' has no member named 'length'
e-contact-editor.c:2268: error: incompatible type for argument 2 of 'gdk_pixbuf_loader_write'
e-contact-editor.c:2292: error: incompatible type for argument 1 of 'g_free'
e-contact-editor.c:2293: error: 'EContactPhoto' has no member named 'length'
e-contact-editor.c:2293: warning: passing argument 2 of 'gdk_pixbuf_save_to_buffer' from incompatible pointer type
e-contact-editor.c:2306: error: incompatible type for argument 1 of 'g_free'
make[6]: *** [e-contact-editor.lo] Error 1
make[6]: Leaving directory `/var/tmp/portage/evolution-2.7.4/work/evolution-2.7.4/addressbook/gui/contact-editor'
make[5]: *** [all] Error 2
make[5]: Leaving directory `/var/tmp/portage/evolution-2.7.4/work/evolution-2.7.4/addressbook/gui/contact-editor'
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory `/var/tmp/portage/evolution-2.7.4/work/evolution-2.7.4/addressbook/gui'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/var/tmp/portage/evolution-2.7.4/work/evolution-2.7.4/addressbook'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/var/tmp/portage/evolution-2.7.4/work/evolution-2.7.4/addressbook'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/var/tmp/portage/evolution-2.7.4/work/evolution-2.7.4'
make: *** [all] Error 2

!!! ERROR: mail-client/evolution-2.7.4 failed.
Call stack:
  ebuild.sh, line 1543:   Called dyn_compile
  ebuild.sh, line 938:   Called src_compile
  evolution-2.7.4.ebuild, line 198:   Called gnome2_src_compile
  gnome2.eclass, line 64:   Called die

!!! compile failure
!!! If you need support, post the topmost build error, and the call stack if relevant.

!!! This ebuild is from an overlay: '/usr/portage/local/layman/gnome-experimental'