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133 lines
4.3 KiB
Markdown
133 lines
4.3 KiB
Markdown
# Linux-specific notes
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## Requirements
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These instructions are written for Debian/Ubuntu; adjust for your distribution.
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Some extra notes have been provided by a forum member, though some of the things
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mentioned there no longer apply:
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https://forums.ankiweb.net/t/guide-how-to-build-and-run-anki-from-source-with-xubuntu-20-04/12865
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You can see a full list of buildtime and runtime requirements by looking at the
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[Dockerfile](../.buildkite/linux/docker/Dockerfile) used to build the
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official releases.
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**Ensure some basic tools are installed**:
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```
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$ sudo apt install bash grep findutils curl gcc g++ make git rsync
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```
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- The 'find' utility is 'findutils' on Debian.
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## Missing Libraries
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If you get errors during build or startup, try starting with
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QT_DEBUG_PLUGINS=1 ./run
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It will likely complain about missing libraries, which you can install with
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your package manager. Some of the libraries that might be required on Debian
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for example:
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```
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sudo apt install libxcb-icccm4 libxcb-image0 libxcb-keysyms1 \
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libxcb-randr0 libxcb-render-util0
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```
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On some distros such as Arch Linux and Fedora, you may need to install the
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`libxcrypt-compat` package if you get an error like this:
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```
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error while loading shared libraries: libcrypt.so.1: cannot open shared object file: No such file or directory
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```
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## Audio
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To play and record audio during development, install mpv and lame.
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## Glibc and Qt
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Anki requires a recent glibc.
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If you are using a distro that uses musl, Anki will not work.
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If your glibc version is 2.35+ on AMD64 or 2.39+ on ARM64, you can skip the rest of this section.
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If your system has an older glibc, you won't be able to use the PyQt wheels that are
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available in pip/PyPy, and will need to use your system-installed PyQt instead.
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Your distro will also need to have Python 3.9 or later.
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After installing the system libraries (eg:
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'sudo apt install python3-pyqt6.qt{quick,webengine} python3-venv pyqt6-dev-tools'),
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find the place they are installed (eg '/usr/lib/python3/dist-packages'). On modern Ubuntu, you'll
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also need 'sudo apt remove python3-protobuf'. Then before running any commands like './run', tell Anki where
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the packages can be found:
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```
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export PYTHONPATH=/usr/lib/python3/dist-packages
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export PYTHON_BINARY=/usr/bin/python3
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```
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There are a few things to be aware of:
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- You should use ./run and not tools/run-qt5\*, even if your system libraries are Qt5.
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- If your system libraries are Qt5, when creating an aqt wheel, the wheel will not work
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on Qt6 environments.
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## Packaging considerations
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Python, node and protoc are downloaded as part of the build. You can optionally define
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PYTHON_BINARY, NODE_BINARY, YARN_BINARY and/or PROTOC_BINARY to use locally-installed versions instead.
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If rust-toolchain.toml is removed, newer Rust versions can be used. Older versions
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may or may not compile the code.
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To build Anki fully offline, set the following environment variables:
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- OFFLINE_BUILD: If set, the build does not run tools that may access
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the network.
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- NODE_BINARY, YARN_BINARY and PROTOC_BINARY must also be set.
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With OFFLINE_BUILD defined, manual intervention is required for the
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offline build to succeed. The following conditions must be met:
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1. All required dependencies (node, Python, rust, yarn, etc.) must be
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present in the build environment.
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2. The offline repositories for the translation files must be
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copied/linked to ftl/qt-repo and ftl/core-repo.
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3. The Python pseudo venv must be set up:
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```
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mkdir out/pyenv/bin
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ln -s /path/to/python out/pyenv/bin/python
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ln -s /path/to/protoc-gen-mypy out/pyenv/bin/protoc-gen-mypy
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```
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Optionally, set up your environment to generate Sphinx documentation:
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```
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ln -s /path/to/sphinx-apidoc out/pyenv/bin/sphinx-apidoc
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ln -s /path/to/sphinx-build out/pyenv/bin/sphinx-build
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```
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Note that the PYTHON_BINARY environment variable need not be set,
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since it is only used when OFFLINE_BUILD is unset to automatically
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create a network-dependent Python venv.
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4. Create the offline cache for yarn and use its own environment
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variable YARN_CACHE_FOLDER to it:
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```
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YARN_CACHE_FOLDER=/path/to/the/yarn/cache
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/path/to/yarn install --ignore-scripts
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```
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You are now ready to build wheels and Sphinx documentation fully
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offline.
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## More
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For info on running tests, building wheels and so on, please see [Development](./development.md).
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