我跟随this tutorial以创建iOS框架（为了支持早于iOS8）。 这一切都很顺利。
当我向前迈出一步并尝试使用Cocoapods＆＃39;时，问题就出现了。获得我的框架所依赖的第三方库。
尝试构建聚合目标时，出现以下错误：
Libtool /Users/me/Library/Developer/Xcode/DerivedData/testFrameworkJverkoey-etqkesvvsfnndbdcydkphdythnve/Build/Products/Debug-iphoneos/libmyFramework.a normal armv7
cd /Users/me/Dev/testFrameworkJverkoey
export IPHONEOS_DEPLOYMENT_TARGET=8.1
export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin:/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/libexec:/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/local/bin:/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/usr/bin:/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/usr/local/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/local/bin:/Applications/Xcode.app/Contents/Developer/Tools:/Users/me/.rvm/gems/ruby-2.1.1/bin:/Users/me/.rvm/gems/ruby-2.1.1@global/bin:/Users/me/.rvm/rubies/ruby-2.1.1/bin:/Users/me/.rvm/bin:/Library/Frameworks/Python.framework/Versions/2.7/bin:/opt/local/bin:/opt/local/sbin:/usr/local/bin:/Library/PostgreSQL/9.2/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin:/usr/local/CrossPack-AVR/bin:/usr/bin"
/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/iPhoneOS8.1.sdk -L/Users/me/Library/Developer/Xcode/DerivedData/testFrameworkJverkoey-etqkesvvsfnndbdcydkphdythnve/Build/Products/Debug-iphoneos -filelist /Users/me/Library/Developer/Xcode/DerivedData/testFrameworkJverkoey-etqkesvvsfnndbdcydkphdythnve/Build/Intermediates/testFrameworkJverkoey.build/Debug-iphoneos/myFramework.build/Objects-normal/armv7/myFramework.LinkFileList -ObjC -ObjC -lPods-AFNetworking -lPods-RestKit -lPods-SOCKit -lPods-TransitionKit -framework CFNetwork -framework CoreData -framework CoreGraphics -framework MobileCoreServices -framework Security -framework SystemConfiguration -lPods -o /Users/me/Library/Developer/Xcode/DerivedData/testFrameworkJverkoey-etqkesvvsfnndbdcydkphdythnve/Build/Products/Debug-iphoneos/libmyFramework.a
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: -dynamic not specified the following flags are invalid: -ObjC -ObjC
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: can't locate file for: -lPods-AFNetworking
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: file: -lPods-AFNetworking is not an object file (not allowed in a library)
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: can't locate file for: -lPods-RestKit
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: file: -lPods-RestKit is not an object file (not allowed in a library)
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: can't locate file for: -lPods-SOCKit
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: file: -lPods-SOCKit is not an object file (not allowed in a library)
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: can't locate file for: -lPods-TransitionKit
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: file: -lPods-TransitionKit is not an object file (not allowed in a library)
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: can't locate file for: -lPods
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: file: -lPods is not an object file (not allowed in a library)
** BUILD FAILED **
The following build commands failed:
Libtool /Users/me/Library/Developer/Xcode/DerivedData/testFrameworkJverkoey-etqkesvvsfnndbdcydkphdythnve/Build/Products/Debug-iphoneos/libmyFramework.a normal armv7
(1 failure)