Попробовал обновиться на FreeBSD 4.11 - на всех машинах вылет при сборке. На 5.хх - всё ок.
Ошибка одна и таже :
/usr/libexec/elf/ld: cannot find -lpthread
*** Error code 1Stop in /usr/ports/security/clamav/work/clamav-0.90/libclamav.
*** Error code 1
Stop in /usr/ports/security/clamav/work/clamav-0.90.
*** Error code 1
Stop in /usr/ports/security/clamav/work/clamav-0.90.
*** Error code 1
Stop in /usr/ports/security/clamav.
** Command failed [exit code 1]: /usr/bin/script -qa /tmp/portupgrade.88327.0 env UPGRADE_TOOL=portupgrade UPGRADE_PORT=clamav-0.88.7_1 UPGRADE_PORT_VER=0.88.7_1 make
** Fix the problem and try again.
** Listing the failed packages (*:skipped / !:failed)
! security/clamav (clamav-0.88.7_1) (new compiler error)