cjm10
commented
7 years ago I had a similar problem that I was able to get around by changing the No Common Blocks flag to No. If you select CoreWebSocket.xcodeproj in the project navigator and then select the target CoreWebSocket, you can find the setting in Build Settings -> Apple LLVM
clang: error: linker command failed with exit code 1 (use -v to see invocation) Ld /Users/lv/Library/Developer/Xcode/DerivedData/mySocket-eejbwkwzhnjjjkaekcmqfajzpkjk/Build/Products/Debug/CoreWebSocket.framework/Versions/A/CoreWebSocket normal x86_64 cd /Volumes/Works/MySocket/mySocket/CoreWebSocket export MACOSX_DEPLOYMENT_TARGET=10.6 /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch x86_64 -dynamiclib -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk -L/Users/lv/Library/Developer/Xcode/DerivedData/mySocket-eejbwkwzhnjjjkaekcmqfajzpkjk/Build/Products/Debug -F/Users/lv/Library/Developer/Xcode/DerivedData/mySocket-eejbwkwzhnjjjkaekcmqfajzpkjk/Build/Products/Debug -filelist /Users/lv/Library/Developer/Xcode/DerivedData/mySocket-eejbwkwzhnjjjkaekcmqfajzpkjk/Build/Intermediates/CoreWebSocket.build/Debug/CoreWebSocket.build/Objects-normal/x86_64/CoreWebSocket.LinkFileList -install_name /Library/Frameworks/CoreWebSocket.framework/Versions/A/CoreWebSocket -mmacosx-version-min=10.6 -Xlinker -no_deduplicate -framework CoreFoundation -framework CoreServices -lcrypto -single_module -compatibility_version 1 -current_version 1 -Xlinker -dependency_info -Xlinker /Users/lv/Library/Developer/Xcode/DerivedData/mySocket-eejbwkwzhnjjjkaekcmqfajzpkjk/Build/Intermediates/CoreWebSocket.build/Debug/CoreWebSocket.build/Objects-normal/x86_64/CoreWebSocket_dependency_info.dat -o /Users/lv/Library/Developer/Xcode/DerivedData/mySocket-eejbwkwzhnjjjkaekcmqfajzpkjk/Build/Products/Debug/CoreWebSocket.framework/Versions/A/CoreWebSocket duplicate symbol _WebSocketFrameOpCodeCString in: /Users/lv/Library/Developer/Xcode/DerivedData/mySocket-eejbwkwzhnjjjkaekcmqfajzpkjk/Build/Intermediates/CoreWebSocket.build/Debug/CoreWebSocket.build/Objects-normal/x86_64/WebSocket.o /Users/lv/Library/Developer/Xcode/DerivedData/mySocket-eejbwkwzhnjjjkaekcmqfajzpkjk/Build/Intermediates/CoreWebSocket.build/Debug/CoreWebSocket.build/Objects-normal/x8664/WebSocketClient.o duplicate symbol WebSocketFrameOpCodeCString in: /Users/lv/Library/Developer/Xcode/DerivedData/mySocket-eejbwkwzhnjjjkaekcmqfajzpkjk/Build/Intermediates/CoreWebSocket.build/Debug/CoreWebSocket.build/Objects-normal/x86_64/WebSocket.o /Users/lv/Library/Developer/Xcode/DerivedData/mySocket-eejbwkwzhnjjjkaekcmqfajzpkjk/Build/Intermediates/CoreWebSocket.build/Debug/CoreWebSocket.build/Objects-normal/x86_64/WebSocketFrame.o ld: 2 duplicate symbols for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation)
I did follow your instructions step by step. But I can't run my app with this library. MacOS 10.12, Xcode 7.3 Hope you guide me.