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When new Xcode build system is used, Xcode build fails to download third-party dependencies

Freshabout 7 years ago
Mar 14, 20260 views
Confidence Score79%
79%

Problem

Workaround (edit by @hramos) You may work around this by manually installing third party dependencies into your project. The following steps are based on the workaround provided by @lyon007 in #14382. 1. ` rm -rf node_modules/ && yarn cache clean && yarn install` and ` rm -rf ~/.rncache` 2. ` cd node_modules/react-native/scripts` 3. `./ios-install-third-party.sh` If your network is slow, you can download the packages separately and move them to the `rncache ` folder _1_. folly-2016.10.31.00 _2_. double-conversion-1.1.5 _3_. glog-0.3.5 _4_. boost_1_63_0 4. `cd <Your-Project-Folder>/node_modules/react-native/third-party/glog-0.3.5` 5. ` ../../scripts/ios-configure-glog.sh` 6. Xcode Clean & Build Original issue - [x] Review the documentation: https://facebook.github.io/react-native - [x] Search for existing issues: https://github.com/facebook/react-native/issues - [x] Use the latest React Native release: https://github.com/facebook/react-native/releases Environment React Native Environment Info: System: OS: macOS High Sierra 10.13.6 CPU: x64 Intel(R) Core(TM) i7-4870HQ CPU @ 2.50GHz Memory: 103.23 MB / 4.00 GB Shell: 3.2.57 - /bin/bash Binaries: Node: 10.9.0 - ~/.nvm/versions/node/v10.9.0/bin/node npm: 6.4.0 - ~/.nvm/versions/node/v10.9.0/bin/npm SDKs: iOS SDK: Platforms: iOS 12.0, macOS 10.14, tvOS 12.0, watchOS 5.0 IDEs: Xcode: 10.0/10L221o - /usr/bin

Error Output

error was encountered processing the command (domain=NSPOSIXErrorDomain, code=22):

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1 Fix

Canonical Fix
High Confidence Fix
77% confidence91% success rate9 verificationsLast verified Mar 14, 2026

Solution: When new Xcode build system is used, Xcode build fails to download third-party dependencies

Low Risk

Ok, I think I have a temporary fix to get React Native to work with Xcode 10—change the shared project settings (or shared workspace settings if you're also using Cocoapods) to use the "Legacy Build System". File->Project/Workspace Settings->Build System: Legacy Build System. It's (not really) surprising that Facebook hasn't fixed this in the months that have passed since WWDC18. Good luck, every

77

Trust Score

9 verifications

91% success
  1. 1

    Ok, I think I have a temporary fix to get React Native to work with Xcode 10—cha

    Ok, I think I have a temporary fix to get React Native to work with Xcode 10—change the shared project settings (or shared workspace settings if you're also using Cocoapods) to use the "Legacy Build System". File->Project/Workspace Settings->Build System: Legacy Build System.

  2. 2

    It's (not really) surprising that Facebook hasn't fixed this in the months that

    It's (not really) surprising that Facebook hasn't fixed this in the months that have passed since WWDC18. Good luck, everyone.

  3. 3

    EDIT: This issue didn’t always happen in Xcode on the Mac. It regularly failed w

    EDIT: This issue didn’t always happen in Xcode on the Mac. It regularly failed when I pushed to a CI system like BuddyBuild.

Validation

Resolved in facebook/react-native GitHub issue #20774. Community reactions: 74 upvotes.

Verification Summary

Worked: 9
Partial: 1
Failed: 1
Last verified Mar 14, 2026

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Environment

Submitted by

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Alex Chen

2450 rep

Tags

react-nativemobileiosandroidplatform:-iosresolution:-lockedđź“®known-issuesbug