最新SDK的SDKROOT路径 [英] SDKROOT path for latest SDK

问题描述

我正在使用Xcode构建旧代码并指定SDKROOT=/Developer/SDKs/MacOSX"${HOST_VERSION}".sdk/

I am using Xcode to build an old code and specify SDKROOT=/Developer/SDKs/MacOSX"${HOST_VERSION}".sdk/

我想为系统上预装(?)的最新SDK指定SDKROOT.例如我已经在10.8上，并且想用-syslibroot指定SDKROOT，但是/Developer/SDKs/中没有这样的SDK.如果SDK_VERSION == HOST_VERSION，我应该完全忽略syslibroot吗?

I want to specify SDKROOT for latest SDK that comes pre-installed (?) on the system. e.g. I am on 10.8 already and I want to specify SDKROOT with -syslibroot, but there is no such SDK in /Developer/SDKs/. Should i just ignore syslibroot altogether if SDK_VERSION == HOST_VERSION?

推荐答案

较新的Xcode版本在Xcode.app软件包中包含SDK，例如

Newer Xcode versions have the SDKs inside the Xcode.app bundle, e.g.

/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.8.sdk

通过运行，您将获得已安装的SDK列表及其路径.

You get the list of installed SDKs together with their path by running

xcodebuild -sdk -version

从命令行.

如果已安装命令行工具"(Xcode首选项->下载->组件)，则没有"-syslibroot"的编译应等同于针对最新的SDK进行编译.

If you have installed the "Command Line Tools" (Xcode Preferences -> Downloads -> Components) then compiling without "-syslibroot" should be equivalent to compiling against the latest SDK.

请参阅命令行工具"软件包的帮助:

See the help to the "Command Line Tools" package:

下载此软件包将安装核心命令行的副本 工具和系统头文件放入系统文件夹，包括LLVM 编译器，链接器和构建工具.

Downloading this package will install copies of the core command line tools and system headers into system folders, including the LLVM compiler, linker, and build tools.

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