128 lines
3.4 KiB
Markdown
128 lines
3.4 KiB
Markdown
# Build instructions (Linux)
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## Prerequisites
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* Python 2.7.x. Some distributions like CentOS 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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* Node.js v0.12.x. There are various ways to install Node. One can download
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source code from [Node.js] (http://nodejs.org) and compile from source.
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Doing so permits installing Node to 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 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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```bash
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$ sudo apt-get install build-essential clang libdbus-1-dev libgtk2.0-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
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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 yum. Or one can compile from source code.
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## If You Use Virtual Machines For Building
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If you plan to build electron on a virtual machine, you will need a fixed-size
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device container of at least 25 gigabytes in size.
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## Getting the code
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```bash
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$ git clone https://github.com/atom/electron.git
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```
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## Bootstrapping
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The bootstrap script will download all necessary build dependencies and create
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build project files. You must have Python 2.7.x for the script to succeed.
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Downloading certain files could take a long time. Notice that we are using
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`ninja` to build Electron so there is no `Makefile` generated.
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```bash
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$ cd electron
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$ ./script/bootstrap.py -v
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```
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### Cross compilation
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If you want to build for `arm` target, you should also install following
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dependencies:
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```bash
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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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And to cross compile for `arm` or `ia32` targets, you should pass the
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`--target_arch` parameter to the `bootstrap.py` script:
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```bash
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$ ./script/bootstrap.py -v --target_arch=arm
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```
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## Building
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If you would like to build both `Release` and `Debug` targets:
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```bash
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$ ./script/build.py
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```
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This script will cause a very large Electron executable to be placed in
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the directory `out/R`. The file size is in excess of 1.3 gigabytes. This
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happens because the Release target binary contains debugging symbols.
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To reduce the file size, run the `create-dist.py` script:
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```bash
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$ ./script/create-dist.py
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```
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This will put a working distribution with much smaller file sizes in
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the `dist` directory. After running the create-dist.py script, you
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may want to remove the 1.3+ gigabyte binary which is still in out/R.
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You can also build the `Debug` target only:
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```bash
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$ ./script/build.py -c D
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```
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After building is done, you can find the `electron` debug binary under `out/D`.
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## Cleaning
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To clean the build files:
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```bash
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$ ./script/clean.py
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```
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## Troubleshooting
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Make sure you have installed all the build dependencies.
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### error while loading shared libraries: libtinfo.so.5
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Prebulit `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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```bash
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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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## Tests
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Test your changes confirm to the project coding style using:
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```bash
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$ ./script/cpplint.py
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```
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Test functionality using:
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```bash
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$ ./script/test.py
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```
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