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[英]Upgrading Swift Vapor Project to Swift 4 / Catalina result in lots of undeclared types
[英]vapor toolbox broken after upgrading swift
升级到Swift 3.1后尝试使用Vapor工具箱时崩溃了。
dyld: lazy symbol binding failed: Symbol not found: __TTSfq4n_s___TFVSS13CharacterView38_measureExtendedGraphemeClusterForwardfT4fromVVSS17UnicodeScalarView5Index_Si
Referenced from: /usr/local/bin/vapor
Expected in: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/macosx/libswiftCore.dylib
dyld: Symbol not found: __TTSfq4n_s___TFVSS13CharacterView38_measureExtendedGraphemeClusterForwardfT4fromVVSS17UnicodeScalarView5Index_Si
Referenced from: /usr/local/bin/vapor
Expected in: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/macosx/libswiftCore.dylib
Swift ABI还不稳定。 因此,必须重新编译Swift程序(如Vapor Toolbox)以使用该语言的新版本。
只需重新安装工具箱即可解决此问题。
brew reinstall vapor/tap/vapor
如果您最初未使用Homebrew安装,则可能需要删除现有的可执行文件
rm /usr/local/bin/vapor
然后确保可执行文件消失
which vapor
您现在可以使用brew安装
brew install vapor/tap/vapor
您只需从中删除Vapor可执行文件即可
/usr/local/bin
然后从文档中运行工具箱安装脚本
curl -sL toolbox.vapor.sh | bash
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