Flutter环境问题:Requested 'libusbmuxd >= 1.1.0' but version of libusbmuxd is 1.0.10

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最近有同学反应不能为flutter正确配置iOS开发环境，当执行brew install --HEAD libimobiledevice时会遇到一个问题：

brew install --HEAD libimobiledevice

==> Cloning [https://git.libimobiledevice.org/libimobiledevice.git](https://git.libimobiledevice.org/libimobiledevice.git) Updating /Users/rjoiner/Library/Caches/Homebrew/libimobiledevice--git

==> Checking out branch master Already on 'master' Your branch is up to date with 'origin/master'. HEAD is now at b34e343 tools: Remove length check on device UDID arguments to support newer devices

==> ./autogen.sh Last 15 lines from /Users/rjoiner/Library/Logs/Homebrew/libimobiledevice/01.autogen.sh: checking dynamic linker characteristics... darwin16.7.0 dyld checking how to hardcode library paths into programs... immediate checking for pkg-config... /usr/local/opt/pkg-config/bin/pkg-config

checking pkg-config is at least version 0.9.0... yes checking for libusbmuxd >= 1.1.0... no configure: error: Package requirements (libusbmuxd >= 1.1.0) were not met:

Requested 'libusbmuxd >= 1.1.0' but version of libusbmuxd is 1.0.10

简直是黑人问号啊，输出这么一大堆信息。但我们仔细看最后一行，我们会发现异常所在Requested 'libusbmuxd >= 1.1.0' but version of libusbmuxd is 1.0.10，很显然是由于系统要求的*libusbmuxd *版本和所要安装的版本不一致。
经过一番搜索终于找到了问题所在:

A recent change to libimobiledevice bumped the constraint on libusbmuxd to >= version 1.1.0. The current usbmuxd homebrew package is version 1.0.10.
As a result, homebrew --HEAD installs of libimobiledevice no longer build without a --HEAD install of usbmuxd.
Until the usbmuxd homebrew formula is updated, a workaround is to install it at HEAD:

总之就是libimobiledevice更新了，我们可以通过下面的方式安装libimobiledevice:

brew update
brew uninstall --ignore-dependencies libimobiledevice
brew uninstall --ignore-dependencies usbmuxd
brew install --HEAD usbmuxd
brew unlink usbmuxd
brew link usbmuxd
brew install --HEAD libimobiledevice

你们可以跟踪该问题解决进度。
参考链接

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