Xcode 构建失败并显示“致命错误：AST 文件格式错误或损坏” Crashlytics.h
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Xcode build fails with "fatal error: malformed or corrupted AST file" Crashlytics.h
提问by Mike Vosseller
I recently enabled modules in my Xcode project build settings ("Enable Modules (C and Objective-C)") and now I frequently get the below build error. It works the next time I build (without any changes) but it is annoying because it happens very often (several times an hour).
我最近在我的 Xcode 项目构建设置中启用了模块（“启用模块（C 和 Objective-C）”），现在我经常收到以下构建错误。它在我下次构建时工作（没有任何更改）但很烦人，因为它经常发生（每小时几次）。
fatal error: malformed or corrupted AST file: 'could not find file '/Users/mpv/dev/project/Crashlytics.framework/Headers/Crashlytics.h' referenced by AST file' note: after modifying system headers, please delete the module cache at '/Users/mpv/Library/Developer/Xcode/DerivedData/ModuleCache/M5WJ0FYE7N06'
致命错误：格式错误或损坏的 AST 文件：'找不到文件 '/Users/mpv/dev/project/Crashlytics.framework/Headers/Crashlytics.h' 引用的 AST 文件'注意：修改系统头文件后，请删除模块缓存在“/Users/mpv/Library/Developer/Xcode/DerivedData/ModuleCache/M5WJ0FYE7N06”
Crashlytics recommended removing Crashlytics.h from the precompiled header file (.pch) and importing directly in each source file that needs it. This greatly reduces the problem but I still occasionally get a Crashlytics.h file not found error when building.
Crashlytics 建议从预编译的头文件 (.pch) 中删除 Crashlytics.h 并直接在需要它的每个源文件中导入。这大大减少了问题，但我仍然偶尔会在构建时遇到 Crashlytics.h 文件未找到错误。
fatal error: 'Crashlytics/Crashlytics.h' file not found
#import <Crashlytics/Crashlytics.h>
回答by Alex the Ukrainian
First, try going to Product -> Clean menu in Xcode. Then rebuild when it finishes.
首先，尝试转到 Xcode 中的 Product -> Clean 菜单。然后完成后重建。
If that doesn't work, go to your [Name]-Prefix.pch file in the Supporting Files folder, and delete the #import line. Build. It will have errors, it's ok, now start typing it again and make sure to select the right choice from the drop-down suggest menu so it auto-fills the rest of the line for you. (This step worked for me).
如果这不起作用，请转到 Supporting Files 文件夹中的 [Name]-Prefix.pch 文件，然后删除 #import 行。建造。它将有错误，没关系，现在开始再次输入它并确保从下拉建议菜单中选择正确的选项，以便它为您自动填充该行的其余部分。（这一步对我有用）。
Good luck! Love it when Xcode goes weird like this :)
祝你好运！当 Xcode 变得像这样奇怪时，我喜欢它:)
回答by pkamb
I hit this issue after updating my version of Xcode via the Mac App Store.
通过 Mac App Store 更新我的 Xcode 版本后，我遇到了这个问题。
After updating Xcode, the xcode-selectCommand Line Tools version of Xcode was still set to the old version. This was creating some kind of mismatch in xcodebuild.
更新 Xcode 后，Xcode 的xcode-selectCommand Line Tools 版本仍然设置为旧版本。这在xcodebuild.
I solved the issue like so:
我这样解决了这个问题：
Xcode > Preferences > Command Line Tools. Select the newest Xcode version.- Quit Xcode
- Delete the
~/Library/Developer/Xcode/DerivedDatadirectory. - Run build script again. Success!
Xcode > Preferences > Command Line Tools. 选择最新的 Xcode 版本。- 退出 Xcode
- 删除
~/Library/Developer/Xcode/DerivedData目录。 - 再次运行构建脚本。成功！
For SEO purposes, when I was hitting this issue I saw the following errors:
出于 SEO 的目的，当我遇到这个问题时，我看到了以下错误：
error: InputFile /Users/user/source/Your-PCH-Prefix.pch 0 1406772618 191 33188... malformed line 9; 'InputFile' should have exactly five arguments
Also:
还：
xcodebuild[53039:5503] stream error: stream error at offset 29: created by an unsupported XCDependencyGraph build
xcodebuild[53039:4e0b] stream error: stream error at offset 29: created by an unsupported XCDependencyGraph build
** BUILD FAILED **
The following build commands failed:
Write auxiliary files
MappingModelCompile
