{"action":"opened","issue":{"url":"https://api.github.com/repos/ReactiveX/RxSwift/issues/1342","repository_url":"https://api.github.com/repos/ReactiveX/RxSwift","labels_url":"https://api.github.com/repos/ReactiveX/RxSwift/issues/1342/labels{/name}","comments_url":"https://api.github.com/repos/ReactiveX/RxSwift/issues/1342/comments","events_url":"https://api.github.com/repos/ReactiveX/RxSwift/issues/1342/events","html_url":"https://github.com/ReactiveX/RxSwift/issues/1342","id":243656516,"number":1342,"title":"RxCocoa 3.6.0 build failed in Xcode 9","user":{"login":"anymuse","id":9257148,"avatar_url":"https://avatars2.githubusercontent.com/u/9257148?v=4","gravatar_id":"","url":"https://api.github.com/users/anymuse","html_url":"https://github.com/anymuse","followers_url":"https://api.github.com/users/anymuse/followers","following_url":"https://api.github.com/users/anymuse/following{/other_user}","gists_url":"https://api.github.com/users/anymuse/gists{/gist_id}","starred_url":"https://api.github.com/users/anymuse/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/anymuse/subscriptions","organizations_url":"https://api.github.com/users/anymuse/orgs","repos_url":"https://api.github.com/users/anymuse/repos","events_url":"https://api.github.com/users/anymuse/events{/privacy}","received_events_url":"https://api.github.com/users/anymuse/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2017-07-18T09:36:50Z","updated_at":"2017-07-18T09:36:50Z","closed_at":null,"body":"**Short description of the issue**:\r\n\r\n  RxCocoa 3.6.0 build failed, with error \"Undefined symbols for architecture arm64\"\r\n\r\n**Expected outcome**:\r\n\r\nbuild successfully\r\n\r\n**What actually happens**:\r\n\r\n`Undefined symbols for architecture arm64:\r\n  \"__T07RxCocoa0A28PickerViewSequenceDataSource33_B01E1C82A05E47F6D9AB6B2211DAC570LLCyxGAA0acdfG4TypeAAs0E0RzlWa\", referenced from:\r\n      __T07RxSwift8ReactiveV0A5CocoaSo12UIPickerViewCRbzlE10itemTitlesAA10Disposable_pSSSgSi_7ElementQyd__tccqd_0_s8SequenceRd__1EQyd_0_Rsd__AA14ObservableTypeRd_0_r0_lFAaH_pAISi_AKtccfU_ in UIPickerView+Rx.o\r\n      __T07RxSwift8ReactiveV0A5CocoaSo12UIPickerViewCRbzlE20itemAttributedTitlesAA10Disposable_pSo18NSAttributedStringCSgSi_7ElementQyd__tccqd_0_s8SequenceRd__1EQyd_0_Rsd__AA14ObservableTypeRd_0_r0_lFAaH_pAKSi_AMtccfU_ in UIPickerView+Rx.o\r\n      __T07RxSwift8ReactiveV0A5CocoaSo12UIPickerViewCRbzlE5itemsAA10Disposable_pSo6UIViewCSi_7ElementQyd__AJSgtccqd_0_s8SequenceRd__1EQyd_0_Rsd__AA14ObservableTypeRd_0_r0_lFAaH_pAJSi_AlMtccfU_ in UIPickerView+Rx.o\r\nld: symbol(s) not found for architecture arm64\r\nclang: error: linker command failed with exit code 1 (use -v to see invocation)`\r\n\r\n**Self contained code example that reproduces the issue**:\r\n\r\n**RxSwift/RxCocoa/RxBlocking/RxTest version/commit**\r\n\r\n  RxCocoa 3.6.0\r\n\r\n**Platform/Environment**\r\n\r\n  - [x] iOS\r\n  - [ ] macOS\r\n  - [ ] tvOS\r\n  - [ ] watchOS\r\n  - [ ] playgrounds\r\n\r\n**How easy is to reproduce? (chances of successful reproduce after running the self contained code)**\r\n\r\n  - [x] easy, 100% repro\r\n  - [ ] sometimes, 10%-100%\r\n  - [ ] hard, 2% - 10%\r\n  - [ ] extremely hard, %0 - 2%\r\n\r\n**Xcode version**:\r\n\r\nXcode 9 beta 3\r\n\r\n**Installation method**:\r\n  - [x] CocoaPods\r\n  - [ ] Carthage\r\n  - [ ] Git submodules\r\n\r\n**I have multiple versions of Xcode installed**:\r\n  (so we can know if this is a potential cause of your issue)\r\n  - [x] yes (which ones)\r\n  - [ ] no\r\n\r\n**Level of RxSwift knowledge**:\r\n  (this is so we can understand your level of knowledge\r\n    and formulate the response in an appropriate manner)\r\n  - [ ] just starting\r\n  - [x] I have a small code base\r\n  - [ ] I have a significant code base\r\n"}}
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