From b5f7d06093ccc4a8ab1867ec5381fed91929d241 Mon Sep 17 00:00:00 2001
From: Guillaume Martres <smarter@ubuntu.com>
Date: Wed, 24 Feb 2021 18:49:16 +0100
Subject: [PATCH] Fix sbt "multiple main classes detected" warning

---
 project/Build.scala | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/project/Build.scala b/project/Build.scala
index caeaf3b7f47d..9c99e5d81e04 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -496,6 +496,8 @@ object Build {
         }
       }.evaluated,
 
+      Compile / mainClass := Some("dotty.tools.dotc.Main"),
+
       scala := {
         val args: List[String] = spaceDelimited("<arg>").parsed.toList
         val externalDeps = externalCompilerClasspathTask.value