In Xcode 15, Apple made a modification to the variable that points to the default toolchain location, replacing from $DT_TOOLCHAIN_DIR to $TOOLCHAIN_DIR. If your project or target relies on the previous variable, you should update it to use $TOOLCHAIN_DIR.
To perform this replacement, you can add the following code snippet at the end of your project’s Podfile. This error was on a MacOS v14 (Sonoma), XCode 15.4, Swift 5.0 regarding the Firebase and Firebase Analytics Pods.
Solution:
Add this code to your Podfile
# Solution for: macOS v14 (Sonoma) | XCode 15.4 | Swift 5.0 | PodFile
post_install do |installer|
installer.pods_project.targets.each do |target|
target.build_configurations.each do |config|
# Update the Swift version
config.build_settings['SWIFT_VERSION'] = '5.0'
# Update all Pods iOS Deployment Target ios Version
config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '15.0'
# Update LIBRARY_SEARCH_PATHS
['Firebase.release.xcconfig', 'FirebaseAnalytics.release.xcconfig'].each do |file_name|
Dir.glob("Pods/**/#{file_name}", File::FNM_CASEFOLD).each do |xcconfig_path|
text = File.read(xcconfig_path)
new_contents = text.gsub('DT_TOOLCHAIN_DIR', 'TOOLCHAIN_DIR')
File.open(xcconfig_path, "w") {|file| file.puts new_contents }
end
end
end
end
end
and run
pod install
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