如何为 Xcode 项目指定额外的 clang 选项？
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How can I specify additional clang options for Xcode project?
提问by BergP
I have created my custom clangplugin with help of this tutorialand I want to run it automatically on my Xcode iOS project.
我在本教程的clang帮助下创建了我的自定义插件，
我想在我的 Xcode iOS 项目上自动运行它。
I need to run following additional commands on clang,
我需要运行以下附加命令clang，
-Xclang -load \
-Xclang ~/static_analysis/llvm/Debug+Asserts/lib/libPluginExample.so \
-Xclang -plugin -Xclang -example-plugin \
I would like to save all other commands generated by Xcode, because it is difficult to create and pass those commands for every Xcode project. That is the reason why I choose to use clangplugin but not clangtool.
我想保存 Xcode 生成的所有其他命令，因为很难为每个 Xcode 项目创建和传递这些命令。这就是我选择使用clang插件而不是clang工具的原因。
How can I do achieve this?
我怎样才能做到这一点？
Or how can I extract compiler flags generated by xcode aoutomtically, to use them in clang tool? (becouse, for correct using tool I need to specify all include directories, and all sources, and all frameworks)
或者如何自动提取由 xcode 生成的编译器标志，以在 clang 工具中使用它们？（因为，为了正确使用工具，我需要指定所有包含目录、所有源和所有框架）
Update:
更新：
I have added thous commands in Project
我在 Project 中添加了 thous 命令
Settings -> Build Phases -> Compile Sources (double click on source)
设置 -> 构建阶段 -> 编译源（双击源）
, but in compile time there is error (plugin is standard example libPrintFunctionNames.dylib from clang sources):
，但在编译时出现错误（插件是来自 clang 源的标准示例 libPrintFunctionNames.dylib）：
error: unable to load plugin '/Users/...llvm/Debug+Asserts/lib/libPrintFunctionNames.dylib': 'dlopen(/Users/.../llvm/Debug+Asserts/lib/libPrintFunctionNames.dylib, 9): Symbol not found: __ZN5clang11ASTConsumer21HandleInterestingDeclENS_12DeclGroupRefE Referenced from: /Users/.../llvm/Debug+Asserts/lib/libPrintFunctionNames.dylib Expected in: flat namespace in /Users/.../llvm/Debug+Asserts/lib/libPrintFunctionNames.dylib' Command /Applications/Xcode 2.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang failed with exit code 1
错误：无法加载插件 '/Users/...llvm/Debug+Asserts/lib/libPrintFunctionNames.dylib': 'dlopen(/Users/.../llvm/Debug+Asserts/lib/libPrintFunctionNames.dylib, 9) ：找不到符号：__ZN5clang11ASTConsumer21HandleInterestingDeclENS_12DeclGroupRefE 引用自：/Users/.../llvm/Debug+Asserts/lib/libPrintFunctionNames.dylib 预期在：/Users/.../llvm/Debug+Asserts/libNames.libPrintFunction 中的平面命名空间dylib' 命令 /Applications/Xcode 2.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang 失败，退出代码为 1
I have tried to use libPrintFunctionNames.ainstead of libPrintFunctionNames.dylib, but it doe not help.
我曾尝试使用libPrintFunctionNames.a而不是libPrintFunctionNames.dylib，但它没有帮助。
Maybe the cause is that I built my plugin on separated source files of llvm and clang, and in xcode I use other version of clang. I will check that.
也许原因是我在 llvm 和 clang 的单独源文件上构建了我的插件，而在 xcode 中我使用了其他版本的 clang。我会检查的。
回答by Volodymyr Sapsai
I would specify additional Clang options in build option OTHER_CFLAGS. You can do so in
我会在构建选项 OTHER_CFLAGS 中指定额外的 Clang 选项。你可以这样做
target/project Build Settings -> Apple LLVM 5.0 - Custom Compiler Flags -> Other C Flags
Or you can specify OTHER_CFLAGS for xcodebuild, for example,
或者，您可以为 指定 OTHER_CFLAGS xcodebuild，例如，
xcodebuild -scheme SampleProject build OTHER_CFLAGS="-Xclang -load -Xclang /path/to/libPrintFunctionNames.dylib -Xclang -plugin -Xclang print-fns"
xcodebuildis convenient when you don't want to maintain 2 targets which differ only in OTHER_CFLAGS.
xcodebuild当您不想维护仅在 OTHER_CFLAGS 中不同的 2 个目标时，这很方便。
But you're right, it looks like you really need to link against the same libraries as clang itself is linked. At least I've downloaded Clang+LLVM 3.3 binaries from http://llvm.org/releases/download.html, built the plugin with downloaded libraries and it works with clang from http://llvm.org, but doesn't work with clang from Xcode - I encounter the following error:
但是你是对的，看起来你真的需要链接到与 clang 本身链接的相同的库。至少我已经从http://llvm.org/releases/download.html下载了 Clang+LLVM 3.3 二进制文件，使用下载的库构建了插件，并且它与来自http://llvm.org 的clang 一起工作，但没有从 Xcode 使用 clang - 我遇到以下错误：
error: unable to find plugin 'print-fns'
I've created Xcode workspace which builds Clang plugin and shows how you can try to use it with default iOS application. You can find it at https://github.com/vsapsai/ClangPluginExample
我已经创建了 Xcode 工作区，它构建了 Clang 插件并展示了如何尝试将它与默认的 iOS 应用程序一起使用。你可以在https://github.com/vsapsai/ClangPluginExample找到它
