From 36936d252c73f5c021ac44a2b135ee3cefceebfb Mon Sep 17 00:00:00 2001
From: Ilya Gorbunov <ilya.gorbunov@jetbrains.com>
Date: Tue, 28 Aug 2018 02:00:48 +0300
Subject: [PATCH] Support multiple expectedBy dependencies when building
 -Xcommon-sources list

`addCommonSourceSetToPlatformSourceSet` may be called multiple times during
a platform project configuration.
---
 .../jetbrains/kotlin/gradle/plugin/KotlinMultiplatformPlugin.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinMultiplatformPlugin.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinMultiplatformPlugin.kt
index f41d1d75f78..91a8f603a80 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinMultiplatformPlugin.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinMultiplatformPlugin.kt
@@ -156,7 +156,7 @@ open class KotlinPlatformImplementationPluginBase(platformName: String) : Kotlin
 
             val commonSources = getKotlinSourceDirectorySetSafe(commonSourceSet)!!
             platformTask.source(commonSources)
-            platformTask.commonSourceSet = commonSources
+            platformTask.commonSourceSet += commonSources
         }
     }