This is the Pixie support library source code and pre-built libraries.
Download to the Raspberry Pi and follow the instructions in the Pixie Software manual or those shown below to extract the files to a local directory.
On the Raspberry Pi Open a command line window and enter the following:
tar xzf ~/Downloads/pixie-source-x.y.tgz
This will extract all the files into the Pixie directory on the Raspberry Pi ready to compile the one’s you require.