Followed instructions.
Vivado 2020.2
Directory is C:\Projects\zedboard-axi-dma-master\Vivado\zedboard_axi_dma -- unzipped the repository into c:\projects\zedboard-axi-dma-master and let batch file have its way with things.
Get the following fatal error:
[Synth 8-439] module 'zedboard_axi_dma_processing_system7_0_0' not found