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build: [gn] working on 32bit windows

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Jeremy Apthorp 2018-07-19 16:57:54 -07:00 • committed by Jeremy Apthorp
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15
docs/development/build-instructions-gn.md
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@ -69,6 +69,21 @@ $ ./out/Default/Electron.app/Contents/MacOS/Electron
$ ./out/Default/electron
```
### Cross-compiling
To compile for a platform that isn't the same as the one you're building on,
set the `target_cpu` GN argument. For example, to compile a windows x86 target
from an x64 host, specify `target_cpu = "x86"` in `gn args`.
```sh
$ gn gen out/Default-x86 --args='... target_cpu = "x86"'
```
Not all combinations of source and target CPU/OS are supported by Chromium.
Only cross-compiling Windows 32-bit from Windows 64-bit has been tested in
Electron. If you test other combinations and find them to work, please update
this document :)
## Tests
To run the tests, you'll first need to build the test modules against the