blocks|key|70307|text|好吧，这是独家新闻：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|70308|下载通用汽车后，你将有一个没有功能的Xcode，苹果忘了在应用包中包含sdk。因此，现在您还必须下载6.1测试版，显示包内容，然后转到文件夹：|70309|/Volumes/Xcode/Xcode-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer|code-block|syntax|javascript|70310|注意，我从磁盘映像中打开了应用程序包，因此打开了卷名。在SDK文件夹中，您可以找到MacOSX10.9.sdk和MacOSX10.10.sdk。通用汽车的发布错过了晚些时候。所以，在方便的地方复制一份，就像你的桌面。|70311|好，现在在GM版本中找到相同的路径。我的应用程序文件夹中安装了我的应用程序，所以它在这里：|70312|/Applications/Xcode+6.app/Contents/Developer/Platforms/MacOSX.platform/Develope|70313|您将注意到MacOSX10.10.sdk文件夹丢失。好的。好的，将测试版复制到这个文件夹中。|70314|重新启动Xcode，打开项目并清除。现在非常仔细地查看SDK或部署目标的每个设置。SDK必须是10.10，部署目标必须是10.9。这会出现在许多地方的几个屏幕上，所以仔细看。|70315|编译并运行。并修复了我在B6和B7中在Xcode中看到的崩溃。|70316|entityMap^0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Y|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|Z|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|10|8|@]|9|@]|A|$]]|$1|M|3|N|5|F|7|11|8|@]|9|@]|A|$G|H]]|$1|O|3|P|5|6|7|12|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|13|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|14|8|@]|9|@]|A|$]]|$1|U|3|-4|5|6|7|15|8|@]|9|@]|A|$]]]|V|$]]

Ok, so here's the scoop:

After downloading the GM you will have a non-functional Xcode, Apple forgot to include the sdk in the app bundle. So now you have to download the 6.1 beta as well, Show Package Contents, and go to the folder:

<pre><code>/Volumes/Xcode/Xcode-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer
</code></pre>

Note I have opened the app bundle from the disk image, thus the volume name. Inside that SDKs folder you will find MacOSX10.9.sdk and MacOSX10.10.sdk. The GM release is missing the later. So make a copy of that somewhere handy, like your desktop.

OK, now find the same path in the GM version. Mine's installed in my Applications folder, so it's here:

<pre><code>/Applications/Xcode 6.app/Contents/Developer/Platforms/MacOSX.platform/Develope
</code></pre>

You will note that the MacOSX10.10.sdk folder is missing. Nice. Ok, copy the version from the beta into this folder.

Restart Xcode, open your project and Clean. Now look VERY CAREFULLY for every setting for SDK or deployment target. The SDK has to be 10.10, the deployment target has to be 10.9. This appears in many places on several screens, so look carefully.

Compiles and runs. And fixes the crashes I was seeing in Xcode in B6 and B7.

blocks|key|4972720|text|Xcode+6.0只支持在iOS中使用Swift。在这个版本的Xcode中，不支持在Mac中使用Swift，因此您需要获得Xcode+6.1测试版。以前的betas+Xcode+6.0支持Swift，但这是因为Xcode+6.1测试版当时还没有发布。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4972721|来自Xcode+6.0发行说明：|4972722|对OS的快速支持
*随OS+X+Yosemite一起发布的Xcode的未来版本将增加对OS的Swift支持，包括游乐场和REPL。Xcode+6.0只支持Swift用于iOS项目和操场。对OS和iOS都支持Swift的Xcode测试版可在developer.apple.com/xcode/下载/上找到。|blockquote|4972723|4972724|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|L|8|@]|9|@]|A|$]]|$1|G|3|-4|5|6|7|M|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

Xcode 6.0 is only going to support using Swift with iOS. Using Swift with Mac OS X is not supported in this version of Xcode, and you will need to get Xcode 6.1 beta for that. Previous betas of Xcode 6.0 has support of Swift for OS X, but that was because Xcode 6.1 beta wasn't out at that time.

From the Xcode 6.0 release notes:

<blockquote>
 Swift Support for OS X
 
 *A future version of Xcode to be released along with OS X Yosemite will add Swift support for OS X, including playgrounds and REPL. Xcode
 6.0 only supports Swift for iOS projects and playgrounds. A beta release of Xcode with Swift support for both OS X and iOS is available
 at developer.apple.com/xcode/downloads/
</blockquote>

Until this afternoon, when I downloaded the final Xcode 6, I was able to play around with Swift on my 10.9 machine. Now I get this error:

<pre><code>OS X targets using Swift cannot be built against an SDK older than 10.10, but the effective SDK is 10.9.
</code></pre>

I had saved my copy of Xcode 6B7, but now opening the project in that version also causes the same error.

Anyone have a fix? I do not want to install 10.10 on this machine.

Compile Swift on 10.9?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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直到今天下午，当我下载最后的Xcode 6时，我才能在我的10.9机器上玩Swift。现在我得到了这个错误：OS X targets using Swift cannot be built against an SDK older than 10.10, but the effective SDK is 10.9.我已...

问10.9编译Swift？
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问10.9编译Swift？EN