151 lines
4.1 KiB
Markdown
151 lines
4.1 KiB
Markdown
# Build Instructions (Windows)
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Follow the guidelines below for building Electron on Windows.
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## Prerequisites
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* Windows 7 / Server 2008 R2 or higher
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* Visual Studio 2013 with Update 4 - [download VS 2013 Community Edition for
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free](https://www.visualstudio.com/news/vs2013-community-vs).
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* [Python 2.7](http://www.python.org/download/releases/2.7/)
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* [Node.js](http://nodejs.org/download/)
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* [Git](http://git-scm.com)
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If you don't currently have a Windows installation,
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[modern.ie](https://www.modern.ie/en-us/virtualization-tools#downloads)
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has timebombed versions of Windows that you can use to build Electron.
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Building Electron is done entirely with command-line scripts and cannot be done
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with Visual Studio. You can develop Electron with any editor but support for
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building with Visual Studio will come in the future.
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**Note:** Even though Visual Studio is not used for building, it's still
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**required** because we need the build toolchains it provides.
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**Note:** Visual Studio 2015 will not work. Please make sure to get MSVS
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**2013**.
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## Getting the Code
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```powershell
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$ git clone https://github.com/electron/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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the build project files. Notice that we're using `ninja` to build Electron so
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there is no Visual Studio project generated.
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```powershell
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$ cd electron
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$ python script\bootstrap.py -v
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```
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## Building
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Build both Release and Debug targets:
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```powershell
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$ python script\build.py
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```
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You can also only build the Debug target:
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```powershell
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$ python script\build.py -c D
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```
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After building is done, you can find `electron.exe` under `out\D` (debug
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target) or under `out\R` (release target).
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## 64bit Build
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To build for the 64bit target, you need to pass `--target_arch=x64` when running
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the bootstrap script:
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```powershell
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$ python script\bootstrap.py -v --target_arch=x64
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```
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The other building steps are exactly the same.
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## Tests
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Test your changes conform to the project coding style using:
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```powershell
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$ python script\cpplint.py
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```
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Test functionality using:
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```powershell
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$ python script\test.py
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```
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Tests that include native modules (e.g. `runas`) can't be executed with the
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debug build (see [#2558](https://github.com/electron/electron/issues/2558) for
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details), but they will work with the release build.
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To run the tests with the release build use:
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```powershell
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$ python script\test.py -R
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```
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## Troubleshooting
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### Command xxxx not found
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If you encountered an error like `Command xxxx not found`, you may try to use
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the `VS2012 Command Prompt` console to execute the build scripts.
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### Fatal internal compiler error: C1001
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Make sure you have the latest Visual Studio update installed.
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### Assertion failed: ((handle))->activecnt >= 0
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If building under Cygwin, you may see `bootstrap.py` failed with following
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error:
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```
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Assertion failed: ((handle))->activecnt >= 0, file src\win\pipe.c, line 1430
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Traceback (most recent call last):
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File "script/bootstrap.py", line 87, in <module>
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sys.exit(main())
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File "script/bootstrap.py", line 22, in main
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update_node_modules('.')
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File "script/bootstrap.py", line 56, in update_node_modules
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execute([NPM, 'install'])
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File "/home/zcbenz/codes/raven/script/lib/util.py", line 118, in execute
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raise e
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subprocess.CalledProcessError: Command '['npm.cmd', 'install']' returned non-zero exit status 3
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```
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This is caused by a bug when using Cygwin Python and Win32 Node together. The
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solution is to use the Win32 Python to execute the bootstrap script (assuming
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you have installed Python under `C:\Python27`):
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```powershell
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$ /cygdrive/c/Python27/python.exe script/bootstrap.py
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```
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### LNK1181: cannot open input file 'kernel32.lib'
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Try reinstalling 32bit Node.js.
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### Error: ENOENT, stat 'C:\Users\USERNAME\AppData\Roaming\npm'
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Simply making that directory [should fix the problem](http://stackoverflow.com/a/25095327/102704):
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```powershell
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$ mkdir ~\AppData\Roaming\npm
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```
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### node-gyp is not recognized as an internal or external command
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You may get this error if you are using Git Bash for building, you should use
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PowerShell or VS2012 Command Prompt instead.
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