OpenVR is an API and runtime that allows access to VR hardware from multiple vendors without requiring that applications have specific knowledge of the hardware they are targeting. This repository is an SDK that contains the API and samples. The runtime is under SteamVR in Tools on Steam.
Documentation for the API is available on the GitHub Wiki
More information on OpenVR and SteamVR can be found on http://steamvr.com
To build libopenvr_api and install the headers do the following
# create a build directory
mkdir _build && cd _build
# build
cmake -DBUILD_SHARED=1 ..
cmake --build .
# install
cmake --install .