编译应用程序时出现 Xcode 错误：-dynamic 未指定，-all_load 无效
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Xcode Error when compiling app: -dynamic not specified, -all_load invalid
提问by FishStix
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: -dynamic not specified, -all_load invalid
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: -dynamic not specified the following flags are invalid: -ObjC
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: can't locate file for: -lzbar
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: file: -lzbar is not an object file (not allowed in a library) Command
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool failed with exit code 1
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool：-dynamic 未指定，-all_load 无效
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool：-dynamic 未指定以下标志无效：-ObjC
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool：找不到文件：-lzbar
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: file: -lzbar is not an object file (not allowed in a library) 命令
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool 失败，退出代码为 1
This error is occurring on a sub project while compiling the main project to run. This sub project, opened by itself, will build and run tests just fine.
编译主项目以运行时，子项目上发生此错误。这个子项目自己打开，可以很好地构建和运行测试。
采纳答案by FishStix
the zbar lib file was missing.
zbar lib 文件丢失。
