I'm trying to use cocoapods framework in Kotlin Multiplatform project. So I

• added framework to Pods file.
• ran pod install.
• created .def file
• added cinterop config in build.gradle

./gradlew cinteropFirebaseIos runs successfully. It generates .klib so I can see classes in kotlin code. But when I'm trying to run iOS app build fails with message:

Showing Recent Messages

> Task :app:linkDebugFrameworkIos

ld: framework not found FirebaseDatabase

/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld invocation reported errors

Here is my config in build.gradle

    fromPreset(presets.iosX64, 'ios') {
        compilations.main {
            outputKinds('FRAMEWORK')
            cinterops {
                firebase {
                    def proj = "${System.getProperty("user.home")}/Projects/kmpp"
                    def pods = "${proj}/iosApp/Pods"

                    defFile "${proj}/app/src/iosMain/c_interop/libfirebase.def"

                    includeDirs "${pods}/Firebase",
                            "${pods}/Firebase/CoreOnly/Sources",
                            "${pods}/FirebaseAnalytics/Frameworks/FirebaseAnalytics.framework/Headers"
                }
            }
        }
    }

here is my .def file:

language = Objective-C
headers = /Users/oleg/Projects/klug/crckalculator/iosApp/Pods/FirebaseCore/Firebase/Core/Public/FIRApp.h /Users/oleg/Projects/klug/crckalculator/iosApp/Pods/FirebaseDatabase/Firebase/Database/Public/FIRDatabase.h /Users/oleg/Projects/klug/crckalculator/iosApp/Pods/FirebaseCore/Firebase/Core/Public/FirebaseCore.h

compilerOpts = -framework FirebaseDatabase
linkerOpts = -framework FirebaseDatabase

How can I figure out what is wrong ? Did I miss something in .def file ? In build.gradle ?