Dear comunity,
i have a old project of my game, but when i get try to build Xcode give me some error about architecture. Now i try some solution around websites but i cannot build and run my application on my iphone 5 (i don’t try in the old iphone/ipad).
Undefined symbols for architecture armv7:
"UnityGetGLView()", referenced from:
iphone::OnProcessTouchEvents(NSSet*, NSSet*) in libiPhone-lib.a(iPhoneInputImpl.o)
"UnityGetGLViewController()", referenced from:
-[MoviePlayerContext actuallyStartTheMovie:] in libiPhone-lib.a(iPhoneVideo.o)
-[MoviePlayerContext finish] in libiPhone-lib.a(iPhoneVideo.o)
-[AchievementWrapper showAchievementsUI] in libiPhone-lib.a(GameCenter.o)
-[AchievementWrapper achievementViewControllerDidFinish:] in libiPhone-lib.a(GameCenter.o)
-[LeaderboardWrapper showLeaderboardUI:withTimeScope:] in libiPhone-lib.a(GameCenter.o)
-[LeaderboardWrapper leaderboardViewControllerDidFinish:] in libiPhone-lib.a(GameCenter.o)
"_UnityInitApplicationNoGraphics", referenced from:
-[UnityAppController application:didFinishLaunchingWithOptions:] in UnityAppController.o
"_UnityInitApplicationGraphics", referenced from:
-[UnityAppController startUnity:] in UnityAppController.o
"_UnityGetSystemResolution", referenced from:
-[UnityView recreateGLESSurfaceIfNeeded] in UnityView.o
"_UnityReportResizeView", referenced from:
-[UnityView onUpdateSurfaceSize:] in UnityView.o
"_UnitySetDefaultFBO", referenced from:
PreparePresentRenderingSurface(UnityRenderingSurface*, EAGLContext*) in GlesHelper.o
SetupUnityDefaultFBO(UnityRenderingSurface*) in GlesHelper.o
"_UnityRegisterFBO", referenced from:
CreateUnityRenderBuffers(UnityRenderingSurface*) in GlesHelper.o
"_UnityReportWWWFinishedLoadingData", referenced from:
-[UnityWWWConnectionDelegate connectionDidFinishLoading:] in WWWConnection.o
"__gameCenterShowLeaderboardWithTimeScopeAndLeaderboardId", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterShowLeaderboardWithTimeScope", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterShowCompletionBannerForAchievements", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterShowAchievements", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterRetrieveScoresForPlayerIdAndLeaderboard", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterRetrieveScoresForLeaderboard", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterResetAchievements", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"_UnityReportBackbufferChange", referenced from:
-[UnityView recreateGLESSurface] in UnityView.o
"__gameCenterGetAchievements", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterRetrieveScoresForPlayerId", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterReportScore", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterPlayerIdentifier", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterLoadProfilePhotoForLocalPlayer", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterLoadPlayerData", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterRetrieveFriends", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterIssueScoreChallenge", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterRetrieveScores", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterLoadLeaderboardLeaderboardTitles", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"_UnityReportWWWFailedWithError", referenced from:
-[UnityWWWConnectionDelegate connection:didFailWithError:] in WWWConnection.o
"_UnityReportWWWReceivedResponse", referenced from:
-[UnityWWWConnectionDelegate connection:didReceiveResponse:] in WWWConnection.o
"__gameCenterIsUnderage", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterIssueAchievementChallenge", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterIsPlayerAuthenticated", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterSelectChallengeablePlayerIDsForAchievement", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"_UnityReportWWWReceivedData", referenced from:
-[UnityWWWConnectionDelegate connection:didReceiveData:] in WWWConnection.o
"__gameCenterIsGameCenterAvailable", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterReportAchievement", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterPlayerAlias", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"_UnityReportWWWSentData", referenced from:
-[UnityWWWConnectionDelegate connection:didSendBodyData:totalBytesWritten:totalBytesExpectedToWrite:] in WWWConnection.o
"_UnityReportWWWStatusError", referenced from:
-[UnityWWWConnectionDelegate connection:didReceiveResponse:] in WWWConnection.o
"__gameCenterAuthenticateLocalPlayer", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
"__gameCenterRetrieveAchievementMetadata", referenced from:
RegisterMonoModules() in RegisterMonoModules.o
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Thank you so much 
