Gentoo's Bugzilla –
Attachment 401418 Details for
Bug 546864net-analyzer/echoping-6.0.2_p434-r1 with >=net-libs/gnutls-3.3.15 - echoping.o: In function `main': ...1/work/echoping-6.0.2_p434/echoping.c:984: undefined reference to `gnutls_certificate_type_set_priority'