Hi raak,
For the compilation issue you met, I couldn’t reproduce it with a fresh Ubuntu 14.04 host environment. Looks like it is a compiler toolchain mismatch issue.
Here are the suggested steps to fix it on your machine:
Remove nvxio lib
$ sudo apt-get remove --purge libvisionworks-nvxio libvisionworks-nvxio-dev
After installing VisionWorks
Install build dependencies:
$ sudo apt-get build-dep libvisionworks-nvxio libvisionworks-nvxio-dev
Download the source archive:
$ apt-get source libvisionworks-nvxio
Repackage nvxio
$ cd libvisionworks-nvxio_<visworks_ver>/
$ dpkg-buildpackage -j4 -b
Install newly built packages:
$ sudo dpkg -i ../libvisionworks-nvxio_<visworks_ver>_<architecture>.deb \
../libvisionworks-nvxio-dev_<visworks_ver>_all.deb