Build error

[sindresorhus]

I built it against Ti SDK 3.1.2 and then included it in my project, but it causes the whole project build to fail.

Ld /Users/sindresorhus/Library/Developer/Xcode/DerivedData/Forkortelser-ggxwdblqewfmqhdmzdekbxhstmdb/Build/Products/Debug-iphonesimulator/Forkortelser.app/Forkortelser normal i386
    cd /Users/sindresorhus/dev/titanium/Forkortelser/build/iphone
    setenv IPHONEOS_DEPLOYMENT_TARGET 5.0
    setenv PATH "/Applications/Xcode5-DP6.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode5-DP6.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
    /Applications/Xcode5-DP6.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -arch i386 -isysroot /Applications/Xcode5-DP6.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.0.sdk -L/Users/sindresorhus/Library/Developer/Xcode/DerivedData/Forkortelser-ggxwdblqewfmqhdmzdekbxhstmdb/Build/Products/Debug-iphonesimulator -L/Users/sindresorhus/dev/titanium/Forkortelser/build/iphone/lib -L/Users/sindresorhus/dev/titanium/Forkortelser/modules/iphone/ti.social/0.2 -F/Users/sindresorhus/Library/Developer/Xcode/DerivedData/Forkortelser-ggxwdblqewfmqhdmzdekbxhstmdb/Build/Products/Debug-iphonesimulator -filelist /Users/sindresorhus/Library/Developer/Xcode/DerivedData/Forkortelser-ggxwdblqewfmqhdmzdekbxhstmdb/Build/Intermediates/Forkortelser.build/Debug-iphonesimulator/Forkortelser.build/Objects-normal/i386/Forkortelser.LinkFileList -Xlinker -objc_abi_version -Xlinker 2 -ObjC -weak_framework iAd -weak_framework iAd -fobjc-link-runtime -Xlinker -no_implicit_dylibs -mios-simulator-version-min=5.0 -framework EventKit -framework EventKitUI -weak_framework Security -licucore -framework Foundation -weak_framework UIKit -framework CoreGraphics -weak_framework AddressBook -framework AddressBookUI -framework CFNetwork -framework CoreLocation -framework MapKit -framework MessageUI -framework MobileCoreServices -framework OpenGLES -framework QuartzCore -framework SystemConfiguration -lsqlite3 -lz -framework AudioToolbox -weak_framework MediaPlayer -framework AVFoundation -lxml2 -framework StoreKit -lTiCore -lti.social -framework ExternalAccessory -ltiverify -lti_ios_debugger -lti_ios_profiler -Xlinker -dependency_info -Xlinker /Users/sindresorhus/Library/Developer/Xcode/DerivedData/Forkortelser-ggxwdblqewfmqhdmzdekbxhstmdb/Build/Intermediates/Forkortelser.build/Debug-iphonesimulator/Forkortelser.build/Objects-normal/i386/Forkortelser_dependency_info.dat -o /Users/sindresorhus/Library/Developer/Xcode/DerivedData/Forkortelser-ggxwdblqewfmqhdmzdekbxhstmdb/Build/Products/Debug-iphonesimulator/Forkortelser.app/Forkortelser

Undefined symbols for architecture i386:
  "_OBJC_CLASS_$_SLComposeViewController", referenced from:
      objc-class-ref in libti.social.a(TiSocialModule.o)
  "_SLServiceTypeFacebook", referenced from:
      -[TiSocialModule isFacebookSupported] in libti.social.a(TiSocialModule.o)
      -[TiSocialModule createFacebookDialog:] in libti.social.a(TiSocialModule.o)
  "_SLServiceTypeSinaWeibo", referenced from:
      -[TiSocialModule isSinaWeiboSupported] in libti.social.a(TiSocialModule.o)
      -[TiSocialModule createSinaWeiboDialog:] in libti.social.a(TiSocialModule.o)
  "_SLServiceTypeTwitter", referenced from:
      -[TiSocialModule isTwitterSupported] in libti.social.a(TiSocialModule.o)
      -[TiSocialModule createTwitterDialog:] in libti.social.a(TiSocialModule.o)
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)