=======> Building '/usr/ports/contrib/virtualbox/virtualbox#4.1.16-1.pkg.tar.gz'.
bsdtar -p -o -C /usr/ports/contrib/virtualbox/work/src -xf /usr/ports/contrib/virtualbox/VirtualBox-4.1.16.tar.bz2
cp virtualbox /usr/ports/contrib/virtualbox/work/src
cp 60-vboxdrv.rules /usr/ports/contrib/virtualbox/work/src
cp virtualbox.desktop /usr/ports/contrib/virtualbox/work/src
\ build
\ '[' '!' -z ']'
\ cd VirtualBox-4.1.16
\ sed -i Config.kmk -e 's|VBOX_WITH_WARNINGS_AS_ERRORS = 1|VBOX_WITH_WARNINGS_AS_ERRORS =|g' -e 's|VBOX_WITH_PAM = 1|VBOX_WITH_PAM =|g'
\ sed -i src/VBox/Devices/PC/vbox.dsl -e 's|Name (_CID, "smc-napa")|Name (_CID, "smcnapa")|'
\ ./configure --with-qt4-dir=/usr/share/qt4 --disable-hardening --ose --disable-pulse --disable-python --disable-java --disable-docs
Checking for environment: Determined build machine: linux.x86, target machine: linux.x86, OK.
Checking for kBuild: found, OK.
Checking for gcc: found version 4.7.2, OK.
Checking for as86: found version 0.16.19, OK.
Checking for bcc:
  ** bcc (variable BCC) not found!
Check /usr/ports/contrib/virtualbox/work/src/VirtualBox-4.1.16/configure.log for details
=======> ERROR: Building '/usr/ports/contrib/virtualbox/virtualbox#4.1.16-1.pkg.tar.gz' failed.