Add kotlinOptions.jvmTarget to Gradle projects using Kotlin

app/autodiscovery/build.gradle

@@ -39,6 +39,10 @@ android {
         targetCompatibility javaVersion
     }
 
+    kotlinOptions {
+        jvmTarget = kotlinJvmVersion
+    }
+
     testOptions {
         unitTests {
             includeAndroidResources = true

app/core/build.gradle

@@ -55,6 +55,10 @@ android {
         targetCompatibility javaVersion
     }
 
+    kotlinOptions {
+        jvmTarget = kotlinJvmVersion
+    }
+
     testOptions {
         unitTests {
             includeAndroidResources = true

app/crypto-openpgp/build.gradle

@@ -27,4 +27,8 @@ android {
         sourceCompatibility javaVersion
         targetCompatibility javaVersion
     }
+
+    kotlinOptions {
+        jvmTarget = kotlinJvmVersion
+    }
 }

app/k9mail/build.gradle

@@ -99,6 +99,10 @@ android {
         targetCompatibility javaVersion
     }
 
+    kotlinOptions {
+        jvmTarget = kotlinJvmVersion
+    }
+
     testOptions {
         unitTests {
             includeAndroidResources = true

app/storage/build.gradle

@@ -39,6 +39,10 @@ android {
         targetCompatibility javaVersion
     }
 
+    kotlinOptions {
+        jvmTarget = kotlinJvmVersion
+    }
+
     testOptions {
         unitTests {
             includeAndroidResources = true

app/testing/build.gradle

@@ -31,4 +31,8 @@ android {
         sourceCompatibility javaVersion
         targetCompatibility javaVersion
     }
+
+    kotlinOptions {
+        jvmTarget = kotlinJvmVersion
+    }
 }

app/ui/build.gradle

@@ -79,6 +79,10 @@ android {
         targetCompatibility javaVersion
     }
 
+    kotlinOptions {
+        jvmTarget = kotlinJvmVersion
+    }
+
     testOptions {
         unitTests {
             includeAndroidResources = true

backend/api/build.gradle

@@ -24,4 +24,8 @@ android {
         sourceCompatibility javaVersion
         targetCompatibility javaVersion
     }
+
+    kotlinOptions {
+        jvmTarget = kotlinJvmVersion
+    }
 }

backend/imap/build.gradle

@@ -42,4 +42,8 @@ android {
         sourceCompatibility javaVersion
         targetCompatibility javaVersion
     }
+
+    kotlinOptions {
+        jvmTarget = kotlinJvmVersion
+    }
 }

backend/pop3/build.gradle

@@ -42,4 +42,8 @@ android {
         sourceCompatibility javaVersion
         targetCompatibility javaVersion
     }
+
+    kotlinOptions {
+        jvmTarget = kotlinJvmVersion
+    }
 }

backend/webdav/build.gradle

@@ -41,4 +41,8 @@ android {
         sourceCompatibility javaVersion
         targetCompatibility javaVersion
     }
+
+    kotlinOptions {
+        jvmTarget = kotlinJvmVersion
+    }
 }

build.gradle

@@ -37,6 +37,7 @@ buildscript {
         ]
 
         javaVersion = JavaVersion.VERSION_1_8
+        kotlinJvmVersion = "1.8"
     }
 
     repositories {

mail/common/build.gradle

@@ -50,4 +50,8 @@ android {
         sourceCompatibility javaVersion
         targetCompatibility javaVersion
     }
+
+    kotlinOptions {
+        jvmTarget = kotlinJvmVersion
+    }
 }

mail/protocols/imap/build.gradle

@@ -48,4 +48,8 @@ android {
         sourceCompatibility javaVersion
         targetCompatibility javaVersion
     }
+
+    kotlinOptions {
+        jvmTarget = kotlinJvmVersion
+    }
 }

mail/testing/build.gradle

@@ -27,4 +27,8 @@ android {
         sourceCompatibility javaVersion
         targetCompatibility javaVersion
     }
+
+    kotlinOptions {
+        jvmTarget = kotlinJvmVersion
+    }
 }