The Xilinx Vivado package is soooooooo large, ouch.

I wish I could just snag their pnr stuff to run from the command line.

I mean, I'm stuffing this in an LXC container anyway so it doesn't puke on my shiny new system. but still.

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And I'd love to use SymbiFlow / yosys but,

1) I'm using VHDL not Verilog and the VHDL frontends for yosys don't look too stable and/or maintained.

2) nextpnr, etc don't support the Xilinx chips I'm using

I would *LOVE* to use an OSS toolchain, but I'm kinda stuck.

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