diff --git a/.idea/dictionaries/sebastiansellmair.xml b/.idea/dictionaries/sebastiansellmair.xml
index 788e7cf8227..ef613c08528 100644
--- a/.idea/dictionaries/sebastiansellmair.xml
+++ b/.idea/dictionaries/sebastiansellmair.xml
@@ -3,6 +3,7 @@
     <words>
       <w>cinterops</w>
       <w>interops</w>
+      <w>klibrary</w>
     </words>
   </dictionary>
-</component>
+</component>
\ No newline at end of file
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/CommonizerHierarchicalIT.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/CommonizerHierarchicalIT.kt
new file mode 100644
index 00000000000..2ce20056284
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/CommonizerHierarchicalIT.kt
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle
+
+import org.gradle.internal.os.OperatingSystem
+import org.junit.Test
+
+class CommonizerHierarchicalIT : BaseGradleIT() {
+    override val defaultGradleVersion: GradleVersionRequired = GradleVersionRequired.FOR_MPP_SUPPORT
+
+    @Test
+    fun `test commonizeHierarchically metadata compilations`() {
+        with(Project("commonizeHierarchically")) {
+            if (Os.canCompileApple) {
+                build(":p1:compileIosMainKotlinMetadata") {
+                    assertSuccessful()
+                    assertFileExists("p1/build/classes/kotlin/metadata/iosMain/klib/p1_iosMain.klib")
+                }
+
+                build(":p1:compileAppleMainKotlinMetadata") {
+                    assertSuccessful()
+                    assertFileExists("p1/build/classes/kotlin/metadata/appleMain/klib/p1_appleMain.klib")
+                }
+            }
+
+            if (Os.canCompileLinux) {
+                build(":p1:compileLinuxMainKotlinMetadata") {
+                    assertSuccessful()
+                    assertFileExists("p1/build/classes/kotlin/metadata/linuxMain/klib/p1_linuxMain.klib")
+                }
+            }
+
+            if (Os.canCompileWindows) {
+                build(":p1:compileWindowsMainKotlinMetadata") {
+                    assertSuccessful()
+                    assertFileExists("p1/build/classes/kotlin/metadata/windowsMain/klib/p1_windowsMain.klib")
+                }
+            }
+
+            if (Os.canCompileApple || Os.canCompileLinux) {
+                build(":p1:compileAppleAndLinuxMainKotlinMetadata") {
+                    assertSuccessful()
+                    assertFileExists("p1/build/classes/kotlin/metadata/appleAndLinuxMain/klib/p1_appleAndLinuxMain.klib")
+                }
+            }
+
+            if (Os.canCompileApple || Os.canCompileLinux || Os.canCompileWindows) {
+                build(":p1:compileNativeMainKotlinMetadata") {
+                    assertSuccessful()
+                    assertFileExists("p1/build/classes/kotlin/metadata/nativeMain/klib/p1_nativeMain.klib")
+                }
+            }
+        }
+    }
+
+    @Test
+    fun `test commonizeHierarchically Klibrary compilations`() {
+        with(Project("commonizeHierarchically")) {
+            if (Os.canCompileApple) {
+                build(":p1:iosArm64MainKlibrary", ":p1:iosX64MainKlibrary", ":p1:macosMainKlibrary") {
+                    assertSuccessful()
+                    assertFileExists("p1/build/classes/kotlin/iosArm64/main/klib/p1.klib")
+                    assertFileExists("p1/build/classes/kotlin/iosX64/main/klib/p1.klib")
+                    assertFileExists("p1/build/classes/kotlin/macos/main/klib/p1.klib")
+                }
+            }
+
+            if (Os.canCompileLinux) {
+                build(":p1:linuxX64MainKlibrary", ":p1:linuxArm64MainKlibrary") {
+                    assertSuccessful()
+                    assertFileExists("p1/build/classes/kotlin/linuxX64/main/klib/p1.klib")
+                    assertFileExists("p1/build/classes/kotlin/linuxArm64/main/klib/p1.klib")
+                }
+            }
+
+            if (Os.canCompileWindows) {
+                build(":p1:windowsX64MainKlibrary", ":p1:windowsX86MainKlibrary") {
+                    assertSuccessful()
+                    assertFileExists("p1/build/classes/kotlin/windowsX64/main/klib/p1.klib")
+                    assertFileExists("p1/build/classes/kotlin/windowsX86/main/klib/p1.klib")
+                }
+            }
+        }
+    }
+
+    private object Os {
+        private val os = OperatingSystem.current()
+        val canCompileApple get() = os.isMacOsX
+        val canCompileLinux get() = os.isLinux || os.isMacOsX
+        val canCompileWindows get() = os.isWindows
+    }
+}
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/build.gradle.kts b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/build.gradle.kts
new file mode 100644
index 00000000000..448f4930cb0
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/build.gradle.kts
@@ -0,0 +1,10 @@
+plugins {
+    kotlin("multiplatform") apply false
+}
+
+allprojects {
+    repositories {
+        mavenLocal()
+        mavenCentral()
+    }
+}
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/gradle.properties b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/gradle.properties
new file mode 100644
index 00000000000..f4feb98d8a6
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/gradle.properties
@@ -0,0 +1,7 @@
+kotlin.code.style=official
+org.gradle.debug=false
+
+kotlin.mpp.enableGranularSourceSetsMetadata=true
+kotlin.native.enableDependencyPropagation=false
+kotlin.mpp.enableCInteropCommonization=true
+kotlin.mpp.enableHierarchicalCommonization=true
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/build.gradle.kts b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/build.gradle.kts
new file mode 100644
index 00000000000..6252242da0c
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/build.gradle.kts
@@ -0,0 +1,79 @@
+import org.jetbrains.kotlin.gradle.plugin.KotlinSourceSet
+import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeTarget
+
+operator fun KotlinSourceSet.invoke(builder: SourceSetHierarchyBuilder.() -> Unit): KotlinSourceSet {
+    SourceSetHierarchyBuilder(this).builder()
+    return this
+}
+
+class SourceSetHierarchyBuilder(private val node: KotlinSourceSet) {
+    operator fun KotlinSourceSet.unaryMinus() = this.dependsOn(node)
+}
+
+plugins {
+    kotlin("multiplatform")
+}
+
+kotlin {
+    js()
+    jvm()
+
+    linuxX64()
+    linuxArm64()
+
+    macosX64("macos")
+    ios()
+
+    mingwX64("windowsX64")
+    mingwX86("windowsX86")
+
+    val commonMain by sourceSets.getting
+    val concurrentMain by sourceSets.creating
+    val jvmMain by sourceSets.getting
+    val jsMain by sourceSets.getting
+    val nativeMain by sourceSets.creating
+    val appleAndLinuxMain by sourceSets.creating
+    val linuxMain by sourceSets.creating
+    val linuxX64Main by sourceSets.getting
+    val linuxArm64Main by sourceSets.getting
+    val appleMain by sourceSets.creating
+    val macosMain by sourceSets.getting
+    val iosMain by sourceSets.getting
+    val windowsMain by sourceSets.creating
+    val windowsX64Main by sourceSets.getting
+    val windowsX86Main by sourceSets.getting
+
+    commonMain {
+        -jsMain
+        -concurrentMain {
+            -jvmMain
+            -nativeMain {
+                -appleAndLinuxMain {
+                    -appleMain {
+                        -iosMain
+                        -macosMain
+                    }
+                    -linuxMain {
+                        -linuxArm64Main
+                        -linuxX64Main
+                    }
+                }
+                -windowsMain {
+                    -windowsX64Main
+                    -windowsX86Main
+                }
+            }
+        }
+    }
+
+
+    sourceSets.all {
+        languageSettings.useExperimentalAnnotation("kotlin.RequiresOptIn")
+    }
+
+    targets.withType<KotlinNativeTarget>().forEach { target ->
+        target.compilations.getByName("main").cinterops.create("withPosix") {
+            header(file("libs/withPosix.h"))
+        }
+    }
+}
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/libs/withPosix.h b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/libs/withPosix.h
new file mode 100644
index 00000000000..d71048f7049
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/libs/withPosix.h
@@ -0,0 +1,43 @@
+#include <sys/stat.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+struct stat getStructFromPosix();
+
+struct stat* getStructPointerFromPosix();
+
+struct MyStruct getMyStruct();
+
+struct MyStruct* getMyStructPointer();
+
+struct MyStruct {
+    struct stat posixProperty;
+
+    #if _WIN32
+        long long longProperty;
+    #else
+        long longProperty;
+    #endif
+
+    double doubleProperty;
+
+    int32_t int32tProperty;
+
+    int64_t int64tProperty;
+
+    #if __linux__
+        bool linuxOnlyProperty;
+    #endif
+
+    #if __APPLE__
+        bool appleOnlyProperty;
+        #include "TargetConditionals.h"
+            #if TARGET_OS_IPHONE
+                bool iosOnlyProperty;
+            #endif
+    #endif
+
+    #if _WIN32
+        bool windowsOnlyProperty;
+    #endif
+};
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/appleAndLinuxMain/kotlin/AppleAndLinuxMain.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/appleAndLinuxMain/kotlin/AppleAndLinuxMain.kt
new file mode 100644
index 00000000000..d6b2954179d
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/appleAndLinuxMain/kotlin/AppleAndLinuxMain.kt
@@ -0,0 +1,21 @@
+@file:Suppress("unused")
+
+import kotlinx.cinterop.pointed
+import platform.posix.stat
+import withPosix.getMyStructPointer
+import withPosix.getStructFromPosix
+import withPosix.getStructPointerFromPosix
+
+object AppleAndLinuxMain {
+    val structFromPosix = getStructFromPosix()
+    val structPointerFromPosix = getStructPointerFromPosix()
+
+    object MyStruct {
+        val struct = getMyStructPointer()?.pointed ?: error("Missing my struct")
+        val posixProperty: stat = struct.posixProperty
+        val longProperty: Long = struct.longProperty
+        val doubleProperty: Double = struct.doubleProperty
+        val int32tProperty: Int = struct.int32tProperty
+        val int64TProperty: Long = struct.int64tProperty
+    }
+}
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/appleMain/kotlin/AppleMain.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/appleMain/kotlin/AppleMain.kt
new file mode 100644
index 00000000000..b2119df24b4
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/appleMain/kotlin/AppleMain.kt
@@ -0,0 +1,22 @@
+@file:Suppress("unused")
+
+import kotlinx.cinterop.pointed
+import platform.posix.stat
+import withPosix.getMyStructPointer
+import withPosix.getStructFromPosix
+import withPosix.getStructPointerFromPosix
+
+object AppleMain {
+    val structFromPosix = getStructFromPosix()
+    val structPointerFromPosix = getStructPointerFromPosix()
+
+    object MyStruct {
+        val struct = getMyStructPointer()?.pointed ?: error("Missing my struct")
+        val posixProperty: stat = struct.posixProperty
+        val longProperty: Long = struct.longProperty
+        val doubleProperty: Double = struct.doubleProperty
+        val int32tProperty: Int = struct.int32tProperty
+        val int64TProperty: Long = struct.int64tProperty
+        val appleOnlyProperty: Boolean = struct.appleOnlyProperty
+    }
+}
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/commonMain/kotlin/CommonMain.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/commonMain/kotlin/CommonMain.kt
new file mode 100644
index 00000000000..654793fae33
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/commonMain/kotlin/CommonMain.kt
@@ -0,0 +1,2 @@
+class CommonMain {
+}
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/iosMain/kotlin/IosMain.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/iosMain/kotlin/IosMain.kt
new file mode 100644
index 00000000000..e4afdb6e07f
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/iosMain/kotlin/IosMain.kt
@@ -0,0 +1,23 @@
+@file:Suppress("unused")
+
+import kotlinx.cinterop.pointed
+import platform.posix.stat
+import withPosix.getMyStructPointer
+import withPosix.getStructFromPosix
+import withPosix.getStructPointerFromPosix
+
+object IosMain {
+    val structFromPosix = getStructFromPosix()
+    val structPointerFromPosix = getStructPointerFromPosix()
+
+    object MyStruct {
+        val struct = getMyStructPointer()?.pointed ?: error("Missing my struct")
+        val posixProperty: stat = struct.posixProperty
+        val longProperty: Long = struct.longProperty
+        val doubleProperty: Double = struct.doubleProperty
+        val int32tProperty: Int = struct.int32tProperty
+        val int64TProperty: Long = struct.int64tProperty
+        val appleOnly: Boolean = struct.appleOnlyProperty
+        val iosOnly: Boolean = struct.iosOnlyProperty
+    }
+}
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/linuxArm64Main/kotlin/LinuxArm64Main.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/linuxArm64Main/kotlin/LinuxArm64Main.kt
new file mode 100644
index 00000000000..f88f2b7e01c
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/linuxArm64Main/kotlin/LinuxArm64Main.kt
@@ -0,0 +1,22 @@
+@file:Suppress("unused")
+
+import kotlinx.cinterop.pointed
+import platform.posix.stat
+import withPosix.getMyStructPointer
+import withPosix.getStructFromPosix
+import withPosix.getStructPointerFromPosix
+
+object LinuxArm64Main {
+    val structFromPosix = getStructFromPosix()
+    val structPointerFromPosix = getStructPointerFromPosix()
+
+    object MyStruct {
+        val struct = getMyStructPointer()?.pointed ?: error("Missing my struct")
+        val posixProperty: stat = struct.posixProperty
+        val longProperty: Long = struct.longProperty
+        val doubleProperty: Double = struct.doubleProperty
+        val int32tProperty: Int = struct.int32tProperty
+        val int64TProperty: Long = struct.int64tProperty
+        val linuxOnlyProperty: Boolean = struct.linuxOnlyProperty
+    }
+}
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/linuxMain/kotlin/LinuxMain.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/linuxMain/kotlin/LinuxMain.kt
new file mode 100644
index 00000000000..693a14477b6
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/linuxMain/kotlin/LinuxMain.kt
@@ -0,0 +1,22 @@
+@file:Suppress("unused")
+
+import kotlinx.cinterop.pointed
+import platform.posix.stat
+import withPosix.getMyStructPointer
+import withPosix.getStructFromPosix
+import withPosix.getStructPointerFromPosix
+
+object LinuxMain {
+    val structFromPosix = getStructFromPosix()
+    val structPointerFromPosix = getStructPointerFromPosix()
+
+    object MyStruct {
+        val struct = getMyStructPointer()?.pointed ?: error("Missing my struct")
+        val posixProperty: stat = struct.posixProperty
+        val longProperty: Long = struct.longProperty
+        val doubleProperty: Double = struct.doubleProperty
+        val int32tProperty: Int = struct.int32tProperty
+        val int64TProperty: Long = struct.int64tProperty
+        val linuxOnlyProperty: Boolean = struct.linuxOnlyProperty
+    }
+}
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/linuxX64Main/kotlin/LinuxX64Main.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/linuxX64Main/kotlin/LinuxX64Main.kt
new file mode 100644
index 00000000000..0bf119cfe88
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/linuxX64Main/kotlin/LinuxX64Main.kt
@@ -0,0 +1,22 @@
+@file:Suppress("unused")
+
+import kotlinx.cinterop.pointed
+import platform.posix.stat
+import withPosix.getMyStructPointer
+import withPosix.getStructFromPosix
+import withPosix.getStructPointerFromPosix
+
+object LinuxX64Main {
+    val structFromPosix = getStructFromPosix()
+    val structPointerFromPosix = getStructPointerFromPosix()
+
+    object MyStruct {
+        val struct = getMyStructPointer()?.pointed ?: error("Missing my struct")
+        val posixProperty: stat = struct.posixProperty
+        val longProperty: Long = struct.longProperty
+        val doubleProperty: Double = struct.doubleProperty
+        val int32tProperty: Int = struct.int32tProperty
+        val int64TProperty: Long = struct.int64tProperty
+        val linuxOnlyProperty: Boolean = struct.linuxOnlyProperty
+    }
+}
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/macosMain/kotlin/MacosMain.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/macosMain/kotlin/MacosMain.kt
new file mode 100644
index 00000000000..84d01735d9a
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/macosMain/kotlin/MacosMain.kt
@@ -0,0 +1,22 @@
+@file:Suppress("unused")
+
+import kotlinx.cinterop.pointed
+import platform.posix.stat
+import withPosix.getMyStructPointer
+import withPosix.getStructFromPosix
+import withPosix.getStructPointerFromPosix
+
+object MacosMain {
+    val structFromPosix = getStructFromPosix()
+    val structPointerFromPosix = getStructPointerFromPosix()
+
+    object MyStruct {
+        val struct = getMyStructPointer()?.pointed ?: error("Missing my struct")
+        val posixProperty: stat = struct.posixProperty
+        val longProperty: Long = struct.longProperty
+        val doubleProperty: Double = struct.doubleProperty
+        val int32tProperty: Int = struct.int32tProperty
+        val int64TProperty: Long = struct.int64tProperty
+        val appleOnlyProperty: Boolean = struct.appleOnlyProperty
+    }
+}
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/nativeInterop/cinterop/withPosix.def b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/nativeInterop/cinterop/withPosix.def
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/nativeMain/kotlin/NativeMain.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/nativeMain/kotlin/NativeMain.kt
new file mode 100644
index 00000000000..148942f4698
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/nativeMain/kotlin/NativeMain.kt
@@ -0,0 +1,19 @@
+@file:Suppress("unused")
+
+import kotlinx.cinterop.pointed
+import platform.posix.stat
+import withPosix.getMyStructPointer
+import withPosix.getStructFromPosix
+import withPosix.getStructPointerFromPosix
+
+object NativeMain {
+    val structFromPosix = getStructFromPosix()
+    val structPointerFromPosix = getStructPointerFromPosix()
+
+    object MyStruct {
+        val struct = getMyStructPointer()?.pointed ?: error("Missing my struct")
+        val posixProperty: stat = struct.posixProperty
+        val longProperty: Long = struct.longProperty
+        val doubleProperty: Double = struct.doubleProperty
+    }
+}
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/windowsMain/kotlin/WindowsMain.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/windowsMain/kotlin/WindowsMain.kt
new file mode 100644
index 00000000000..2c442617931
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/p1/src/windowsMain/kotlin/WindowsMain.kt
@@ -0,0 +1,22 @@
+@file:Suppress("unused")
+
+import kotlinx.cinterop.pointed
+import platform.posix.stat
+import withPosix.getMyStructPointer
+import withPosix.getStructFromPosix
+import withPosix.getStructPointerFromPosix
+
+object WindowsMain {
+    val structFromPosix = getStructFromPosix()
+    val structPointerFromPosix = getStructPointerFromPosix()
+
+    object MyStruct {
+        val struct = getMyStructPointer()?.pointed ?: error("Missing my struct")
+        val posixProperty: stat = struct.posixProperty
+        val longProperty: Long = struct.longProperty
+        val doubleProperty: Double = struct.doubleProperty
+        val int32tProperty: Int = struct.int32tProperty
+        val int64TProperty: Long = struct.int64tProperty
+        val windowsOnly: Boolean = struct.windowsOnlyProperty
+    }
+}
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/settings.gradle.kts b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/settings.gradle.kts
new file mode 100644
index 00000000000..629f9fe9ecb
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonizeHierarchically/settings.gradle.kts
@@ -0,0 +1,12 @@
+pluginManagement {
+    repositories {
+        mavenLocal()
+        gradlePluginPortal()
+    }
+    val kotlin_version: String by settings
+    plugins {
+        kotlin("multiplatform").version(kotlin_version)
+    }
+}
+
+include(":p1")