New react native project bootstrapped with rock fails to build ios app

[rshah-truefit]

Reproduction

Used the command npm create rock@latest to start a new project with the following parameters:

Welcome to Rock!
│
◇  What is your app named?
│  frontend
│
◇  What platforms do you want to start with? (Press <space> to select, <enter> to skip):
│  iOS, Android
│
◇  Which bundler do you want to use?
│  Re.Pack
│
◇  Which plugins do you want to use? (Press <space> to select, <enter> to skip):
│  none
│
◇  What do you want to use as cache for your remote builds?
│  None
│
◇  Do you want to install dependencies?
│  Yes

At the end after running npm run ios I get a long error trace when trying to run the ios build. Here is a trimmed version from the end.

CompileC /Users/ronak/Library/Developer/Xcode/DerivedData/Frontend-eouqrwbsdehximdaoidpnanghstt/Build/Intermediates.noindex/Pods.build/Debug-iphonesimulator/ReactAppDependencyProvider.build/Objects-normal/arm64/RCTAppDependencyProvider.o /Users/ronak/tfc/workspace/connect/consumer/frontend/ios/build/generated/ios/RCTAppDependencyProvider.mm normal arm64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'ReactAppDependencyProvider' from project 'Pods')
    cd /Users/ronak/tfc/workspace/connect/consumer/frontend/ios/Pods
    
    Using response file: /Users/ronak/Library/Developer/Xcode/DerivedData/Frontend-eouqrwbsdehximdaoidpnanghstt/Build/Intermediates.noindex/Pods.build/Debug-iphonesimulator/ReactAppDependencyProvider.build/Objects-normal/arm64/af3fcb34312c57c0f52879cdce924b91-common-args.resp
    
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c++ -ivfsstatcache /Users/ronak/Library/Developer/Xcode/DerivedData/SDKStatCaches.noindex/iphonesimulator18.1-22B74-3d93aac3a03ebac1dd8474c5def773dc.sdkstatcache -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fno-color-diagnostics -fmodules-prune-interval\=86400 -fmodules-prune-after\=345600 -fbuild-session-file\=/Users/ronak/Library/Developer/Xcode/DerivedData/ModuleCache.noindex/Session.modulevalidation -fmodules-validate-once-per-build-session -Wnon-modular-include-in-framework-module -Werror\=non-modular-include-in-framework-module -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Werror\=return-type -Wdocumentation -Wunreachable-code -Wno-implicit-atomic-properties -Werror\=deprecated-objc-isa-usage -Wno-objc-interface-ivars -Werror\=objc-root-class -Wno-arc-repeated-use-of-weak -Wimplicit-retain-self -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wduplicate-method-match -Wno-missing-braces -Wparentheses -Wswitch -Wunused-function -Wno-unused-label -Wno-unused-parameter -Wunused-variable -Wunused-value -Wempty-body -Wuninitialized -Wconditional-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wconstant-conversion -Wint-conversion -Wbool-conversion -Wenum-conversion -Wno-float-conversion -Wnon-literal-null-conversion -Wobjc-literal-conversion -Wshorten-64-to-32 -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wundeclared-selector -Wdeprecated-implementations -Wno-c++11-extensions -Wno-implicit-fallthrough -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Winvalid-offsetof -Wno-sign-conversion -Winfinite-recursion -Wmove -Wcomma -Wblock-capture-autoreleasing -Wstrict-prototypes -Wrange-loop-analysis -Wno-semicolon-before-method-body -Wunguarded-availability -index-store-path /Users/ronak/Library/Developer/Xcode/DerivedData/Frontend-eouqrwbsdehximdaoidpnanghstt/Index.noindex/DataStore @/Users/ronak/Library/Developer/Xcode/DerivedData/Frontend-eouqrwbsdehximdaoidpnanghstt/Build/Intermediates.noindex/Pods.build/Debug-iphonesimulator/ReactAppDependencyProvider.build/Objects-normal/arm64/af3fcb34312c57c0f52879cdce924b91-common-args.resp -include /Users/ronak/tfc/workspace/connect/consumer/frontend/ios/Pods/Target\ Support\ Files/ReactAppDependencyProvider/ReactAppDependencyProvider-prefix.pch -MMD -MT dependencies -MF /Users/ronak/Library/Developer/Xcode/DerivedData/Frontend-eouqrwbsdehximdaoidpnanghstt/Build/Intermediates.noindex/Pods.build/Debug-iphonesimulator/ReactAppDependencyProvider.build/Objects-normal/arm64/RCTAppDependencyProvider.d --serialize-diagnostics /Users/ronak/Library/Developer/Xcode/DerivedData/Frontend-eouqrwbsdehximdaoidpnanghstt/Build/Intermediates.noindex/Pods.build/Debug-iphonesimulator/ReactAppDependencyProvider.build/Objects-normal/arm64/RCTAppDependencyProvider.dia -c /Users/ronak/tfc/workspace/connect/consumer/frontend/ios/build/generated/ios/RCTAppDependencyProvider.mm -o /Users/ronak/Library/Developer/Xcode/DerivedData/Frontend-eouqrwbsdehximdaoidpnanghstt/Build/Intermediates.noindex/Pods.build/Debug-iphonesimulator/ReactAppDependencyProvider.build/Objects-normal/arm64/RCTAppDependencyProvider.o -index-unit-output-path /Pods.build/Debug-iphonesimulator/ReactAppDependencyProvider.build/Objects-normal/arm64/RCTAppDependencyProvider.o

warning: Run script build phase 'Bundle React Native code and images' will be run during every build because it does not specify any outputs. To address this issue, either add output dependencies to the script phase, or configure it to run in every build by unchecking "Based on dependency analysis" in the script phase. (in target 'Frontend' from project 'Frontend')
warning: Run script build phase '[CP-User] [Hermes] Replace Hermes for the right configuration, if needed' will be run during every build because it does not specify any outputs. To address this issue, either add output dependencies to the script phase, or configure it to run in every build by unchecking "Based on dependency analysis" in the script phase. (in target 'hermes-engine' from project 'Pods')
note: Run script build phase '[CP-User] [RNDeps] Replace React Native Dependencies for the right configuration, if needed' will be run during every build because the option to run the script phase "Based on dependency analysis" is unchecked. (in target 'ReactNativeDependencies' from project 'Pods')
** BUILD FAILED **


The following build commands failed:
	CompileC /Users/ronak/Library/Developer/Xcode/DerivedData/Frontend-eouqrwbsdehximdaoidpnanghstt/Build/Intermediates.noindex/Pods.build/Debug-iphonesimulator/ReactCodegen.build/Objects-normal/arm64/RNScriptManagerSpecJSI-generated.o /Users/ronak/tfc/workspace/connect/consumer/frontend/ios/build/generated/ios/RNScriptManagerSpecJSI-generated.cpp normal arm64 c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'ReactCodegen' from project 'Pods')
	Building workspace Frontend with scheme Frontend and configuration Debug
(2 failures)

│
■  Running xcodebuild failed. See error details above.
 ELIFECYCLE  Command failed with exit code 1.

[thymikee]

Can you search for "error" or "fail" in the xcodebuild output? there's no source of the failure present and it's likely a little bit to the top of the CompileC line

[rshah-truefit]

I came across the following error in the terminal log

fatal error: 'folly/dynamic.h' file not found
   10 | #include <folly/dynamic.h>
      |          ^~~~~~~~~~~~~~~~~
1 error generated.

If it's helpful I am also attaching the terminal log dump.

Terminal Saved Output.txt

[thymikee]

Can you remove node_modules and ios/Pods and install again? Seems like something went bad during install and that's likely not Rock's fault, but some intermittent error.

[rshah-truefit]

Already tried that, even tried a fresh bootstrap on a new system and got the same error. Tried a new expo bootstrap and that works fine, hence created the issue here. If it helps my node version is v23.9.0 and npm version is 10.9.2

[thymikee]

There's some similar old issue in the RN core: facebook/react-native#31452 - maybe you can give it a go? It could be something with CocoaPods and its recent upgrade

[thymikee]

See this as well: react-native-community/template@b05f16c

[rshah-truefit]

Thanks @thymikee I tried the steps in here and I no more see the folly error above. Instead, I now see the following error

/Users/ronak/Library/Developer/Xcode/DerivedData/Frontend-eouqrwbsdehximdaoidpnanghstt/Build/Intermediates.noindex/Pods.build/Debug-iphonesimulator/JWTDecode.build/Objects-normal/arm64/JWTDecode.swiftinterface:5:19: error: underlying Objective-C module 'JWTDecode' not found
@_exported import JWTDecode
                  ^
/Users/ronak/Library/Developer/Xcode/DerivedData/Frontend-eouqrwbsdehximdaoidpnanghstt/Build/Intermediates.noindex/Pods.build/Debug-iphonesimulator/JWTDecode.build/Objects-normal/arm64/JWTDecode.swiftinterface:1:1: error: failed to verify module interface of 'JWTDecode' due to the errors above; the textual interface may be broken by project issues or a compiler bug
// swift-interface-format-version: 1.0

Also I already have the lines that are added in the Gemfile here

[thymikee]

I haven't bumped into that yet. Still sounds like something with npm/cocoapods