命令 /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/llvm-g++-4.2 失败，退出代码 1
我的 XCode 版本是 iOS 5.0 的 4.2。我选择“LLVM GCC 4.2”作为编译器。当我编译我的项目时，它显示以下错误：
ld: warning: directory not found for option '-L/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.0.sdk/usr/lib/gcc/arm-apple-darwin10/4.0.1'
ld: warning: directory not found for option '-L/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.0.sdk/usr/lib/gcc/arm-apple-darwin10/4.2.1'
ld: library not found for -lz.1.2.3
Command /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/llvm-g++-4.2 failed with exit code 1
请帮助我弄清楚为什么会发生这种情况以及如何修复它。
My XCode version is 4.2 for iOS 5.0. I choose "LLVM GCC 4.2" as the compiler. When I compile my project, it show me the following error:
ld: warning: directory not found for option '-L/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.0.sdk/usr/lib/gcc/arm-apple-darwin10/4.0.1'
ld: warning: directory not found for option '-L/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.0.sdk/usr/lib/gcc/arm-apple-darwin10/4.2.1'
ld: library not found for -lz.1.2.3
Command /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/llvm-g++-4.2 failed with exit code 1
Please help me figure out why this is happening and how to fix it.
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libz.1.2.3 库不再存在（或者至少不包含在 SDK 中）。在您的项目设置中，链接到较新版本的库，例如 libz.1.2.5。
The libz.1.2.3 library does not exist anymore (or at least is not included in the SDK). In your project settings, link with a newer version of the library like libz.1.2.5.