[bozordzh]

]# ./configure Checking for environment: Determined build machine: freebsd.x86, target machine: freebsd.x86, OK. Checking for kBuild: found, OK. Checking for gcc: found version 4.2.1, OK. Checking for as86: found version , OK. Checking for bcc: found version , OK. Checking for iasl: found version 20070320, OK. Checking for xslt: found, OK. Checking for pthread: found, OK. /libexec/ld-elf.so.1: Shared object "libc.so.6" not found, required by "kmk_sed" Checking for libxml2: /libexec/ld-elf.so.1: Shared object "libc.so.6" not found, required by "kmk_sed" xml2 not found at -L/usr/local/lib -lxml2 -lpthread or xml2 headers not found Check the file /usr/home/1/VirtualBox-2.0.2/configure.log for detailed error information. »

тут всё понятно написано, а там делайте что хотите.
тему для себя закрываю.