编译XCCODC++项目时的错误：CLAN:错误

在尝试编译我的xcode项目之后，我最终发现了这个错误。即使阅读了其他stackoverflow帖子，我也不完全理解它的意思

这是我在github上的项目的链接

依赖项： Verison:1.5 版本：1.11.0

---

无法编译项目。找不到某些文件和动态库。我添加了指向所需依赖项的链接。Irrklang MP3是必需的dll。

Ld /Users/dawkins/Library/Developer/Xcode/DerivedData/EngineBase-fmjhbczrqugvdsaetspmffdamwtq/Build/Products/Debug/EngineBase normal x86_64
    cd "/Users/dawkins/XCode Projects/EngineBase"
    export MACOSX_DEPLOYMENT_TARGET=10.9
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -arch x86_64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk -L/Users/dawkins/Library/Developer/Xcode/DerivedData/EngineBase-fmjhbczrqugvdsaetspmffdamwtq/Build/Products/Debug -L/usr/local/lib -L/usr/local/Cellar/glfw3/3.0.4/lib -L/Users/dawkins/Downloads/irrKlang-64bit-1.5.0/bin/macosx-gcc -F/Users/dawkins/Library/Developer/Xcode/DerivedData/EngineBase-fmjhbczrqugvdsaetspmffdamwtq/Build/Products/Debug -filelist /Users/dawkins/Library/Developer/Xcode/DerivedData/EngineBase-fmjhbczrqugvdsaetspmffdamwtq/Build/Intermediates/EngineBase.build/Debug/EngineBase.build/Objects-normal/x86_64/EngineBase.LinkFileList -mmacosx-version-min=10.9 -stdlib=libc++ -weak_library /usr/local/lib/ikpMP3.dylib -lGLEW.1.11.0 -lglfw3.3.0 -lirrklang -framework OpenGL -Xlinker -dependency_info -Xlinker /Users/dawkins/Library/Developer/Xcode/DerivedData/EngineBase-fmjhbczrqugvdsaetspmffdamwtq/Build/Intermediates/EngineBase.build/Debug/EngineBase.build/Objects-normal/x86_64/EngineBase_dependency_info.dat -o /Users/dawkins/Library/Developer/Xcode/DerivedData/EngineBase-fmjhbczrqugvdsaetspmffdamwtq/Build/Products/Debug/EngineBase

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ld: 60 duplicate symbols for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)