iOS静态库编译错误 – 目录为空

概述我正在尝试为iOS创建一个Objective C静态库.当我尝试编译它时会发出以下警告. Libtool /Users/******/Library/Developer/Xcode/DerivedData/MyLib-eyucoczochpovhcqduwoieknpyer/Build/Intermediates/MyLib.build/Debug-iphoneos/MyLib.build/Obj 我正在尝试为iOS创建一个Objective C静态库.当我尝试编译它时会发出以下警告.

libtool /Users/******/library/Developer/Xcode/DerivedData/Mylib-eyucoczochpovhcqduwoIEknpyer/Build/Intermediates/Mylib.build/DeBUG-iphoneos/Mylib.build/Objects-normal/armv7/libmylib.a normal armv7cd /Users/******/Desktop/Mylibexport IPHONEOS_DEPLOYMENT_TARGET=7.1export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool -static -arch_only armv7 -syslibroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.1.sdk -L/Users/******/library/Developer/Xcode/DerivedData/Mylib-eyucoczochpovhcqduwoIEknpyer/Build/Products/DeBUG-iphoneos -fileList /Users/******/library/Developer/Xcode/DerivedData/Mylib-eyucoczochpovhcqduwoIEknpyer/Build/Intermediates/Mylib.build/DeBUG-iphoneos/Mylib.build/Objects-normal/armv7/Mylib.linkfileList -ObjC -framework Foundation -o /Users/shafraz/library/Developer/Xcode/DerivedData/Mylib-eyucoczochpovhcqduwoIEknpyer/Build/Intermediates/Mylib.build/DeBUG-iphoneos/Mylib.build/Objects-normal/armv7/libmylib.a

我也得到了armv7s的类似错误,arm64也是如此

(null): /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: warning for library: /Users/******/library/Developer/Xcode/DerivedData/Mylib-eyucoczochpovhcqduwoIEknpyer/Build/Products/DeBUG-iphoneos/libmylib.a for architecture: armv7 the table of contents is empty (no object file members in the library define global symbols)

我也得到了armv7s的类似错误,arm64也是如此

只有在Mylib.h文件中删除Mylib.m和类声明后才能显示此蠕虫.

我怎样才能解决这个问题？

解决方法 如果静态库只包含类别或非正式协议,则通常会发生这种情况.链接器警告您似乎没有任何要链接的类. 总结

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