linphone version 3.3.2-4.1 FTBFS on armhf in precise

This is a semi-automatic report based on the latest archive rebuild results [1].
Apologies if it reaches you in error.

Excerpt from the buildlog:

checking for dlopen... yes
checking for working alloca.h... yes
checking for alloca... yes
checking linux/videodev.h usability... no
checking linux/videodev.h presence... no
checking for linux/videodev.h... no
checking linux/videodev2.h usability... yes
checking linux/videodev2.h presence... yes
checking for linux/videodev2.h... yes
checking for LIBV4L2... no
No libv4l2 found.
checking for LIBV4L1... no
No libv4l1 found.
configure: error:
Missing libv4l2. It is highly recommended to build with
libv4l2 headers and library. Many camera will won't work or will crash
your application if libv4l2 is not installed.
If you know what you are doing, you can use --disable-libv4l to disable
this check.

configure: error: ./configure failed for mediastreamer2
make: *** [debian/stamp-autotools] Error 1
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20120212-1559
FAILED [dpkg-buildpackage died]

The full buidlog can be found at https://launchpad.net/ubuntu/+archive/test-rebuild-20120201/+build/3160529/+files/buildlog_ubuntu-precise-armhf.linphone_3.3.2-4.1_FAILEDTOBUILD.txt.gz.

[1] http://people.ubuntuwire.org/~wgrant/rebuild-ftbfs-test/test-rebuild-20120201-precise.html