Exclude pod when porting to mac with catalyst

Question

Porting apps to mac is finally possible thanks to Catalyst, problem is, numerous pods don\'t support AppKit. Most common one would be Crashlytics / Firebase

Answer 1

Based on what has already been discussed here... here is my solution for projects with multiple targets. It basically is validating the usage of the libs on each target instead of following the target name.

post_install do |installer|
    
    installer.pods_project.targets.each do |target|
        
        # handle non catalyst libs
        libs = ["FirebaseAnalytics", "Google-Mobile-Ads-SDK"]
        
        target.build_configurations.each do |config|
            xcconfig_path = config.base_configuration_reference.real_path
            xcconfig = File.read(xcconfig_path)
            values = ""
            
            libs.each { |lib|
                if xcconfig["-framework \"#{lib}\""]
                    puts "Found '#{lib}' on target '#{target.name}'"
                    xcconfig.sub!(" -framework \"#{lib}\"", '')
                    values += " -framework \"#{lib}\""
                end
            }
            
            if values.length > 0
                puts "Preparing '#{target.name}' for Catalyst\n\n"
                new_xcconfig = xcconfig + 'OTHER_LDFLAGS[sdk=iphone*] = $(inherited)' + values
                File.open(xcconfig_path, "w") { |file| file << new_xcconfig }
            end
        end
    end
end

It outputs something like this

Generating Pods project

Found 'Google-Mobile-Ads-SDK' on target 'Pods-TheApp'
Found 'FirebaseAnalytics' on target 'Pods-TheApp'
Preparing 'Pods-TheApp' for Catalyst

Found 'Google-Mobile-Ads-SDK' on target 'Pods-TheApp-TheAppTests'
Found 'FirebaseAnalytics' on target 'Pods-TheApp-TheAppTests'
Preparing 'Pods-TheApp-TheAppTests' for Catalyst

Found 'Google-Mobile-Ads-SDK' on target 'Pods-TheApp-TheApp_iOS_UI_Tests'
Found 'FirebaseAnalytics' on target 'Pods-TheApp-TheApp_iOS_UI_Tests'
Preparing 'Pods-TheApp-TheApp_iOS_UI_Tests' for Catalyst

Found 'Google-Mobile-Ads-SDK' on target 'Pods-TheAppIntentsExtension'
Found 'FirebaseAnalytics' on target 'Pods-TheAppIntentsExtension'
Preparing 'Pods-TheAppIntentsExtension' for Catalyst

Found 'Google-Mobile-Ads-SDK' on target 'Pods-TheAppTodayExtension'
Found 'FirebaseAnalytics' on target 'Pods-TheAppTodayExtension'
Preparing 'Pods-TheAppTodayExtension' for Catalyst