Install dependencies on Ubuntu

$ sudo apt-get install python-numpy python-dev python-pip python-wheel
$ sudo apt-get install libcupti-dev

Prevent running out of memory

To prevent running out of memory during a build, restrict the build to use e.g. 2 processors:

$ ck install package:lib-tensorflow-1.4.0-src-cpu --env.CK_HOST_CPU_NUMBER_OF_PROCESSORS=2