Estou usando o MGTwitterEngine oAuth e o LinkedIn iOS SDK no meu aplicativo iOS com facebook-ios-sdk

TwitterEngine:https: //github.com/bengottlieb/Twitter-OAuth-iPhon

LinkedInIphone:https: //github.com/ResultsDirect/LinkedIn-iPhon

Ambos integrados bem separadamente, mas quando eu usei ambos no aplicativo, então erro vindo

FB + Twitter = funcionando bemFB + LinkedIn = Funcionando bemFB + Twitter + LinkedIn = Não está funcionando e está dando erro:

Command /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc-4.2 falhou com o código de saída 1

Por favor, ajude-me onde estou errad

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EDITA

rquivo de texto de transcrição de erro

Build butterfli of project butterfli with configuration Debug

Ld build/Debug-iphonesimulator/butterfli.app/butterfli normal i386
cd /Users/pratgupta/Desktop/Settinglinkedin/10_mar_butterfli
setenv MACOSX_DEPLOYMENT_TARGET 10.6
setenv PATH "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc-4.2 -arch i386 -isysroot /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.1.sdk -L/Users/pratgupta/Desktop/Settinglinkedin/10_mar_butterfli/build/Debug-iphonesimulator "-L/Users/pratgupta/Desktop/Settinglinkedin/10_mar_butterfli/Twitter+OAuth/Libraries & Headers" -F/Users/pratgupta/Desktop/Settinglinkedin/10_mar_butterfli/build/Debug-iphonesimulator -filelist /Users/pratgupta/Desktop/Settinglinkedin/10_mar_butterfli/build/butterfli.build/Debug-iphonesimulator/butterfli.build/Objects-normal/i386/butterfli.LinkFileList -mmacosx-version-min=10.6 -all_load -Xlinker -objc_abi_version -Xlinker 2 -framework Foundation -framework UIKit -framework CoreGraphics -lOAuth -lxml2 /Users/pratgupta/Desktop/Settinglinkedin/10_mar_butterfli/LinkedInClientLibrary/build/Debug-iphonesimulator/libLinkedInClientLibrary.a -o /Users/pratgupta/Desktop/Settinglinkedin/10_mar_butterfli/build/Debug-iphonesimulator/butterfli.app/butterfli

ld: duplicate symbol _EstimateBas64EncodedDataSize in /Users/pratgupta/Desktop/Settinglinkedin/10_mar_butterfli/LinkedInClientLibrary/build/Debug-iphonesimulator/libLinkedInClientLibrary.a(Base64Transcoder.o) and /Users/pratgupta/Desktop/Settinglinkedin/10_mar_butterfli/Twitter+OAuth/Libraries & Headers/libOAuth.a(Base64Transcoder.o)
collect2: ld returned 1 exit status
Command /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc-4.2 failed with exit code 1

Amit Battan