122 lines
4.1 KiB
Markdown
122 lines
4.1 KiB
Markdown
# Build Instructions (Linux)
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Follow the guidelines below for building Electron on Linux.
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## Prerequisites
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* At least 25GB disk space and 8GB RAM.
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* Python 2.7.x. Some distributions like CentOS 6.x still use Python 2.6.x
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so you may need to check your Python version with `python -V`.
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Please also ensure that your system and Python version support at least TLS 1.2.
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For a quick test, run the following script:
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```sh
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$ npm run check-tls
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```
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If the script returns that your configuration is using an outdated security
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protocol, use your system's package manager to update Python to the latest
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version in the 2.7.x branch. Alternatively, visit https://www.python.org/downloads/
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for detailed instructions.
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* Node.js. There are various ways to install Node. You can download
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source code from [nodejs.org](https://nodejs.org) and compile it.
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Doing so permits installing Node on your own home directory as a standard user.
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Or try repositories such as [NodeSource](https://nodesource.com/blog/nodejs-v012-iojs-and-the-nodesource-linux-repositories).
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* [clang](https://clang.llvm.org/get_started.html) 3.4 or later.
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* Development headers of GTK+ and libnotify.
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On Ubuntu, install the following libraries:
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```sh
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$ sudo apt-get install build-essential clang libdbus-1-dev libgtk-3-dev \
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libnotify-dev libgnome-keyring-dev libgconf2-dev \
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libasound2-dev libcap-dev libcups2-dev libxtst-dev \
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libxss1 libnss3-dev gcc-multilib g++-multilib curl \
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gperf bison python-dbusmock openjdk-8-jre
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```
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On RHEL / CentOS, install the following libraries:
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```sh
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$ sudo yum install clang dbus-devel gtk3-devel libnotify-devel \
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libgnome-keyring-devel xorg-x11-server-utils libcap-devel \
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cups-devel libXtst-devel alsa-lib-devel libXrandr-devel \
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GConf2-devel nss-devel python-dbusmock openjdk-8-jre
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```
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On Fedora, install the following libraries:
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```sh
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$ sudo dnf install clang dbus-devel gtk3-devel libnotify-devel \
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libgnome-keyring-devel xorg-x11-server-utils libcap-devel \
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cups-devel libXtst-devel alsa-lib-devel libXrandr-devel \
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GConf2-devel nss-devel python-dbusmock openjdk-8-jre
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```
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Other distributions may offer similar packages for installation via package
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managers such as pacman. Or one can compile from source code.
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### Cross compilation
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If you want to build for an `arm` target you should also install the following
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dependencies:
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```sh
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$ sudo apt-get install libc6-dev-armhf-cross linux-libc-dev-armhf-cross \
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g++-arm-linux-gnueabihf
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```
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Similarly for `arm64`, install the following:
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```sh
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$ sudo apt-get install libc6-dev-arm64-cross linux-libc-dev-arm64-cross \
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g++-aarch64-linux-gnu
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```
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And to cross-compile for `arm` or `ia32` targets, you should pass the
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`target_cpu` parameter to `gn gen`:
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```sh
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$ gn gen out/Debug --args='import(...) target_cpu="arm"'
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```
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## Building
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See [Build Instructions: GN](build-instructions-gn.md)
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## Troubleshooting
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### Error While Loading Shared Libraries: libtinfo.so.5
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Prebuilt `clang` will try to link to `libtinfo.so.5`. Depending on the host
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architecture, symlink to appropriate `libncurses`:
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```sh
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$ sudo ln -s /usr/lib/libncurses.so.5 /usr/lib/libtinfo.so.5
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```
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## Advanced topics
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The default building configuration is targeted for major desktop Linux
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distributions. To build for a specific distribution or device, the following
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information may help you.
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### Using system `clang` instead of downloaded `clang` binaries
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By default Electron is built with prebuilt
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[`clang`](https://clang.llvm.org/get_started.html) binaries provided by the
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Chromium project. If for some reason you want to build with the `clang`
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installed in your system, you can specify the `clang_base_path` argument in the
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GN args.
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For example if you installed `clang` under `/usr/local/bin/clang`:
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```sh
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$ gn gen out/Debug --args='import("//electron/build/args/debug.gn") clang_base_path = "/usr/local/bin"'
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```
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### Using compilers other than `clang`
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Building Electron with compilers other than `clang` is not supported.
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