[Docs] Update Windows build instructions for using WSL and Ubuntu 17.04

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fanquake 2017-10-02 19:16:04 +08:00
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@ -4,10 +4,11 @@ WINDOWS BUILD NOTES
Below are some notes on how to build Bitcoin Core for Windows.
Most developers use cross-compilation from Ubuntu to build executables for
Windows. This is also used to build the release binaries.
Windows. Cross-compilation is also used to build the release binaries.
Currently only building on Ubuntu Trusty 14.04 is supported.
Other versions are unsupported or known to be broken (e.g. Ubuntu Xenial 16.04).
Currently only building on Ubuntu Trusty 14.04 or Ubuntu Zesty 17.04 or later is supported.
Building on Ubuntu Xenial 16.04 is known to be broken, see extensive discussion in issue [8732](https://github.com/bitcoin/bitcoin/issues/8732).
While it may be possible to do so with work arounds, it's potentially dangerous and not recommended.
While there are potentially a number of ways to build on Windows (for example using msys / mingw-w64),
using the Windows Subsystem For Linux is the most straightforward. If you are building with
@ -64,6 +65,13 @@ build process.
See also: [dependencies.md](dependencies.md).
If you're building on Ubuntu 17.04 or later, run these two commands, selecting the 'posix' variant for both,
to work around issues with mingw-w64. See issue [8732](https://github.com/bitcoin/bitcoin/issues/8732) for more information.
```
sudo update-alternatives --config x86_64-w64-mingw32-g++
sudo update-alternatives --config x86_64-w64-mingw32-gcc
```
## Building for 64-bit Windows
To build executables for Windows 64-bit, install the following dependencies: