From 2a2132d41e8190fc08556c8f2d746f5f8f6d7edc Mon Sep 17 00:00:00 2001
From: Simon Dumas <simon.dumas@senscience.ai>
Date: Wed, 30 Sep 2026 12:43:05 +0200
Subject: [PATCH] Target Java 11 for Java sources on Scala 2 builds

---
 project/Common.scala | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/project/Common.scala b/project/Common.scala
index ac0d1707..3cdcabce 100644
--- a/project/Common.scala
+++ b/project/Common.scala
@@ -41,6 +41,12 @@ object Common extends AutoPlugin {
       }
     },
     javacOptions ++= Seq("-encoding", "UTF-8"),
+    javacOptions ++= {
+      CrossVersion.partialVersion(scalaVersion.value) match {
+        case Some((2, _)) => Seq("--release", "11")
+        case _            => Seq.empty
+      }
+    },
     // Header settings
     HeaderPlugin.autoImport.headerMappings := Map(
       FileType.scala -> CommentStyle.cStyleBlockComment,