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manual: document Vivado installer crash workaround

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Sebastien Bourdeauducq 2021-04-05 09:17:50 +08:00
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doc/manual/developing.rst
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@ -7,7 +7,7 @@ Developing ARTIQ
The easiest way to obtain an ARTIQ development environment is via the Nix package manager on Linux. The Nix system is used on the `M-Labs Hydra server <https://nixbld.m-labs.hk/>`_ to build ARTIQ and its dependencies continuously; it ensures that all build instructions are up-to-date and allows binary packages to be used on developers' machines, in particular for large tools such as the Rust compiler.
ARTIQ itself does not depend on Nix, and it is also possible to compile everything from source (look into the ``.nix`` files from the ``nix-scripts`` repository and run the commands manually) - but Nix makes the process a lot easier.
* Download Vivado from Xilinx and install it (by running the official installer in a FHS chroot environment if using NixOS). If you do not want to write to ``/opt``, you can install it in a folder of your home directory. The "appropriate" Vivado version to use for building the bitstream can vary. Some versions contain bugs that lead to hidden or visible failures, others work fine. Refer to the `M-Labs Hydra logs <https://nixbld.m-labs.hk/>`_ to determine which version is currently used when building the binary packages.
* Download Vivado from Xilinx and install it (by running the official installer in a FHS chroot environment if using NixOS). If you do not want to write to ``/opt``, you can install it in a folder of your home directory. The "appropriate" Vivado version to use for building the bitstream can vary. Some versions contain bugs that lead to hidden or visible failures, others work fine. Refer to the `M-Labs Hydra logs <https://nixbld.m-labs.hk/>`_ to determine which version is currently used when building the binary packages. If the Vivado GUI installer crashes, you may be able to work around the problem by running it in unattended mode with a command such as ``./xsetup -a XilinxEULA,3rdPartyEULA,WebTalkTerms -b Install -e 'Vitis Unified Software Platform' -l /opt/Xilinx/``.
* During the Vivado installation, uncheck ``Install cable drivers`` (they are not required as we use better and open source alternatives).
* Install the `Nix package manager <http://nixos.org/nix/>`_ and Git (e.g. ``$ nix-shell -p git``).
* Set up the M-Labs binary substituter (:ref:`same procedure as the user section <installing-nix-users>`) to allow binaries to be downloaded. Otherwise, tools such as LLVM and the Rust compiler will be compiled on your machine, which uses a lot of CPU time, memory, and disk space.