Pod install error on macOS when add bitsdojo_window dependency

[tommy306]

❯ flutter run Connected devices: macOS (desktop) • macos • darwin-arm64 • macOS 13.4.1 22F82 darwin-arm64 Chrome (web) • chrome • web-javascript • Google Chrome 118.0.5993.96

Checking for wireless devices...

Please choose one (or "q" to quit): 1 Launching lib/main.dart on macOS in debug mode... Running pod install... 411ms CocoaPods' output: ↳ Preparing

Analyzing dependencies

Inspecting targets to integrate
  Using `ARCHS` setting to build architectures of target `Pods-Runner`: (``)
[!] Unable to find a target named `RunnerTests` in project `Runner.xcodeproj`, did find `Runner`.

/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/installer/analyzer/target_inspector.rb:108:in `compute_targets'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/installer/analyzer/target_inspector.rb:40:in `compute_results'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/installer/analyzer.rb:1197:in `block (3 levels) in inspect_targets_to_integrate'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/installer/analyzer.rb:1195:in `each'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/installer/analyzer.rb:1195:in `block (2 levels) in inspect_targets_to_integrate'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/installer/analyzer.rb:1193:in `each'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/installer/analyzer.rb:1193:in `block in inspect_targets_to_integrate'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/user_interface.rb:64:in `section'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/installer/analyzer.rb:1188:in `inspect_targets_to_integrate'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/installer/analyzer.rb:107:in `analyze'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/installer.rb:422:in `analyze'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/installer.rb:244:in `block in resolve_dependencies'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/user_interface.rb:64:in `section'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/installer.rb:243:in `resolve_dependencies'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/installer.rb:162:in `install!'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/command/install.rb:52:in `run'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/claide-1.1.0/lib/claide/command.rb:334:in `run'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/lib/cocoapods/command.rb:52:in `run'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/gems/cocoapods-1.12.1/bin/pod:55:in `<top (required)>'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/bin/pod:25:in `load'
/opt/homebrew/Cellar/cocoapods/1.12.1/libexec/bin/pod:25:in `<main>'

dependencies: flutter: sdk: flutter cupertino_icons: ^1.0.2 ffi: ^2.0.1 flutter_rust_bridge: ^1.45.0 meta: ^1.8.0 uuid: ^4.1.0 bitsdojo_window: ^0.1.5 // add new lib

[Desdaemon]

Seems like this problem is not unique to bitsdojo but to all plugin packages. Since the base XCode project does not come with any scaffolding for plugins, adding such a package will add/change a few project files that break the template. The fix is to:

1. Completely remove ios/, macos/ and build/
2. flutter create --platforms=ios,macos .
3. flutter pub add bitsdojo_window
4. Follow the steps here to set up the Rust integration again

I'll add this to the documentation soon, but for now there doesn't seem to be a general solution to this short of creating a new template.

[tommy306]

Thanks very much. It's worked after followed the steps above.

However, ffigen: ^9.0.1 is required to make it work. Do you know why?

[Desdaemon]

However, ffigen: ^9.0.1 is required to make it work. Do you know why?

I didn't notice this, could be a constraint from flutter_rust_bridge and/or bitsdojo.

[tommy306]

I upgraded the flutter_rust_bridge version to 1.82.4, and there is a constraint in the the frb_codegen/src/commands.rs file. so the flutter_rust_bridge_codegen command is failing. However, this constraint is not present in version 1.45.0.

The constraint code：

lazy_static! {
    pub(crate) static ref FFI_REQUIREMENT: VersionReq =
        VersionReq::parse(">= 2.0.1, < 3.0.0").unwrap();
    pub(crate) static ref FFIGEN_REQUIREMENT: VersionReq =
        VersionReq::parse(">= 8.0.0, < 10.0.0").unwrap();
}

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