This repository was archived by the owner on Sep 26, 2025. It is now read-only.
This repository was archived by the owner on Sep 26, 2025. It is now read-only.
Flipper doesn't build with Xcode 12.5 RC #2215
Description
🐛 Bug Report
Flipper in a React Native project fails to build with the following error:
~/MyProject/ios/Pods/Headers/Private/Flipper-Folly/folly/synchronization/DistributedMutex-inl.h:1051:5: 'atomic_notify_one<unsigned long>' is unavailable
Build log
[... TRUNCATED ...][]
In file included from ~/MyProject/ios/Pods/Flipper-Folly/folly/synchronization/DistributedMutex.cpp:17:
In file included from ~/MyProject/ios/Pods/Headers/Private/Flipper-Folly/folly/synchronization/DistributedMutex.h:344:
~/MyProject/ios/Pods/Headers/Private/Flipper-Folly/folly/synchronization/DistributedMutex-inl.h:1051:5: error: 'atomic_notify_one<unsigned long>' is unavailable
atomic_notify_one(state);
^
~/MyProject/ios/Pods/Headers/Private/Flipper-Folly/folly/synchronization/DistributedMutex-inl.h:1573:5: note: in instantiation of function template specialization 'folly::detail::distributed_mutex::wakeTimedWaiters<std::__1::atomic<unsigned long>>' requested here
wakeTimedWaiters(&state_, proxy.timedWaiters_);
^
In file included from ~/MyProject/ios/Pods/Flipper-Folly/folly/synchronization/DistributedMutex.cpp:17:
In file included from ~/MyProject/ios/Pods/Headers/Private/Flipper-Folly/folly/synchronization/DistributedMutex.h:19:
In file included from ~/MyProject/ios/Pods/Headers/Private/Flipper-Folly/folly/Optional.h:58:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.5.sdk/usr/include/c++/v1/functional:504:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.5.sdk/usr/include/c++/v1/memory:681:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.5.sdk/usr/include/c++/v1/atomic:2140:6: note: 'atomic_notify_one<unsigned long>' has been explicitly marked unavailable here
void atomic_notify_one(atomic<_Tp>* __o) _NOEXCEPT
^
1 error generated.
[... TRUNCATED ...]
Build failed 21.4.2021, 11.51 34.5 seconds
Cleaning the Xcode build folder didn't help, nor does updating Flipper and Flipper-Folly to the latest versions.
To Reproduce
- Install Xcode 12.5 RC from Apple
- Open a React Native project with Flipper enabled
- Try to build that project
- The build fails
Environment
- Xcode 12.5 RC
- React Native 0.63.4
- Pods:
- Flipper (0.85.0)
- Flipper-DoubleConversion (1.1.7)
- Flipper-Folly (2.5.1)
- Flipper-Glog (0.3.6)
- Flipper-PeerTalk (0.0.4)
- Flipper-RSocket (1.3.1)
- FlipperKit (0.85.0)