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Docs: clarify Xcode 26 beta must be the active developer directory #238

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crosbymichael merged 1 commit into from
Aug 18, 2025
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Docs: clarify Xcode 26 beta must be the active developer directory #238

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2 changes: 1 addition & 1 deletion BUILDING.md
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Expand Up @@ -4,7 +4,7 @@ To build the `container` project, you need:

- Mac with Apple silicon
- macOS 15 minimum, macOS 26 beta recommended
- Xcode 26 beta
- Xcode 26 beta, set as the [active developer directory](https://developer.apple.com/library/archive/technotes/tn2339/_index.html#//apple_ref/doc/uid/DTS40014588-CH1-HOW_DO_I_SELECT_THE_DEFAULT_VERSION_OF_XCODE_TO_USE_FOR_MY_COMMAND_LINE_TOOLS_)

> [!IMPORTANT]
> There is a bug in the `vmnet` framework on macOS 26 beta that causes network creation to fail if the `container` helper applications are located under your `Documents` or `Desktop` directories. If you use `make install`, you can simply run the `container` binary in `/usr/local`. If you prefer to use the binaries that `make all` creates in your project `bin` and `libexec` directories, locate your project elsewhere, such as `~/projects/container`, until this issue is resolved.
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