Ошибки при установке

/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_certificate_set_dh_params@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_certificate_verify_peers@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_record_recv@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_credentials_set@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_x509_crt_init@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_record_send@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_transport_set_ptr@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_dh_params_deinit@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_dh_params_init@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_certificate_set_x509_trust_file@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_certificate_type_get@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_handshake@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_global_init@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_x509_crt_import@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_certificate_free_credentials@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_init@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_certificate_expiration_time_peers@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_dh_params_generate2@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_deinit@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_certificate_activation_time_peers@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_certificate_get_peers@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_certificate_set_x509_key_file@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_certificate_allocate_credentials@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_set_default_priority@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_bye@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_record_get_direction@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_dh_set_prime_bits@GNUTLS_1_2'
/usr/lib/libsoup-2.2.so: undefined reference to `gnutls_x509_crt_check_hostname@GNUTLS_1_2'
collect2: ld returned 1 exit status
make[3]: *** [create-account] Ошибка 1
make[3]: Leaving directory `/var/tmp/portage/evolution-data-server-1.8.2/work/evolution-data-server-1.8.2/servers/groupwise'
make[2]: *** [all-recursive] Ошибка 1
make[2]: Leaving directory `/var/tmp/portage/evolution-data-server-1.8.2/work/evolution-data-server-1.8.2/servers'
make[1]: *** [all-recursive] Ошибка 1
make[1]: Leaving directory `/var/tmp/portage/evolution-data-server-1.8.2/work/evolution-data-server-1.8.2'
make: *** [all] Ошибка 2

!!! ERROR: gnome-extra/evolution-data-server-1.8.2 failed.
Call stack:
  ebuild.sh, line 1546:   Called dyn_compile
  ebuild.sh, line 937:   Called src_compile
  evolution-data-server-1.8.2.ebuild, line 141:   Called gnome2_src_compile
  gnome2.eclass, line 68:   Called die

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

Подскажите, с чем может быть связано.