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試圖更新Yosemite上iOS 8.1/XCode 6的Kobold2D/Cocos2d 2.1項目。如何解決XCode 6/Kobold2D（鏈接程序錯誤）的OALAudio庫
在使用此處提供的解決方案（How to update Kobold2D 2.1 project to MacOS10.10/XCode 6.1?）之後，我得到一個鏈接器錯誤，儘管所有嘗試（重新啓動，清理，刪除和添加框架）仍然存在，並且使我的項目無法啓動。 我在智慧的結尾;這是3年的項目，我打磚牆... Xcode的6.1鏈接錯誤讀取，例如：
Ld /Users/fabian/Library/Developer/Xcode/DerivedData/OME-abspfkzbpimdpqaoclhujzvtfred/Build/Products/Debug-iphonesimulator/OME.app/OME normal i386
cd /Users/fabian/Kobold2D/Kobold2D-2.1.0/OME
export IPHONEOS_DEPLOYMENT_TARGET=7.1
export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.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/clang++ -arch i386 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator8.1.sdk -L/Users/fabian/Library/Developer/Xcode/DerivedData/OME-abspfkzbpimdpqaoclhujzvtfred/Build/Products/Debug-iphonesimulator -F/Users/fabian/Library/Developer/Xcode/DerivedData/OME-abspfkzbpimdpqaoclhujzvtfred/Build/Products/Debug-iphonesimulator -filelist /Users/fabian/Library/Developer/Xcode/DerivedData/OME-abspfkzbpimdpqaoclhujzvtfred/Build/Intermediates/OME.build/Debug-iphonesimulator/OME-iOS.build/Objects-normal/i386/OME.LinkFileList -Xlinker -objc_abi_version -Xlinker 2 -lz -framework Foundation -framework AudioToolbox -framework OpenAL -framework QuartzCore -framework SystemConfiguration -framework AVFoundation -framework CoreGraphics -framework CoreLocation -framework MediaPlayer -framework OpenGLES -force_load /Users/fabian/Library/Developer/Xcode/DerivedData/OME-abspfkzbpimdpqaoclhujzvtfred/Build/Products/Debug-iphonesimulator/libkobold2d-ios.a -force_load /Users/fabian/Library/Developer/Xcode/DerivedData/OME-abspfkzbpimdpqaoclhujzvtfred/Build/Products/Debug-iphonesimulator/libcocos2d-ios.a -weak_framework CoreMotion -weak_framework GameKit -weak_framework iAd -weak_framework MessageUI -weak_framework StoreKit -weak_framework UIKit -weak-lSystem -lstdc++ -fobjc-arc -fobjc-link-runtime -Xlinker -no_implicit_dylibs -mios-simulator-version-min=7.1 -framework AudioToolbox -framework AVFoundation -framework CoreFoundation -framework GameKit -lbox2d-ios -lchipmunk-ios -lchipmunk-spacemanager-ios -lcocos2d-extensions-ios -lcocos2d-ios -lcocos3d-ios -lcocosdenshion-ios -lkobold2d-ios -lobjectal-ios -lsneakyinput-ios -lwax-ios -Xlinker -dependency_info -Xlinker /Users/fabian/Library/Developer/Xcode/DerivedData/OME-abspfkzbpimdpqaoclhujzvtfred/Build/Intermediates/OME.build/Debug-iphonesimulator/OME-iOS.build/Objects-normal/i386/OME_dependency_info.dat -o /Users/fabian/Library/Developer/Xcode/DerivedData/OME-abspfkzbpimdpqaoclhujzvtfred/Build/Products/Debug-iphonesimulator/OME.app/OME
Undefined symbols for architecture i386:
"___isnan", referenced from:
-[OALGainAction prepareWithTarget:] in libobjectal-ios.a(OALAudioActions.o)
-[OALPitchAction prepareWithTarget:] in libobjectal-ios.a(OALAudioActions.o)
-[OALPanAction prepareWithTarget:] in libobjectal-ios.a(OALAudioActions.o)
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
請拜託：沒有任何人有一個想法？我可能對這裏可能的原因不夠了解，無法自行進行。 FWIW，libobjectal-ios.a已被刪除並重復添加到項目中，無濟於事。
嘗試單獨構建對象庫。檢查它的源代碼是否有任何isnan函數的使用，也許它可以替換爲一個替代檢查（isnan測試「不是一個數字」）。升級目標代碼應該是孤立可行的，不會造成太大麻煩。一般來說，你會遇到cocos2d v2的問題，因爲它不能編譯（沒有bug）到64位/ armv7s，但是Apple現在需要所有應用程序中的armv7s代碼。 – LearnCocos2D
@ LearnCocos2D - darn，我打算在1周內發佈到應用商店，只有2.1,32位。我認爲新規則是在二月份。我錯了，面臨另一個叉車升級到3.x？ – YvesLeBorg
實際上並不確定，這是我在某個地方找到的東西，有可能這個新規則還沒有生效，但只是宣佈在未來的日期（不是很遠）生效 – LearnCocos2D