From 23ecb6e24889d8582b8fc7ef8f507d6ce1dc19cc Mon Sep 17 00:00:00 2001
From: Ondra Pelech <ondra.pelech@gmail.com>
Date: Fri, 2 Apr 2021 22:18:39 +0200
Subject: [PATCH] Add -Ywarn-macros:after only for Scala >= 2.12 (#118)

---
 .../sideeffffect/sbtdecentscala/DecentScalaPlugin.scala     | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/main/scala/com/github/sideeffffect/sbtdecentscala/DecentScalaPlugin.scala b/src/main/scala/com/github/sideeffffect/sbtdecentscala/DecentScalaPlugin.scala
index d544ad9..cd9e723 100644
--- a/src/main/scala/com/github/sideeffffect/sbtdecentscala/DecentScalaPlugin.scala
+++ b/src/main/scala/com/github/sideeffffect/sbtdecentscala/DecentScalaPlugin.scala
@@ -50,8 +50,10 @@ object DecentScalaPlugin extends AutoPlugin {
         ),
         scalacOptions ++= List(
           "-P:silencer:checkUnused",
-          "-Ywarn-macros:after",
-        ),
+        ) ++ (CrossVersion.partialVersion(scalaVersion.value) match {
+          case Some((2, 11)) => List()
+          case _             => List("-Ywarn-macros:after")
+        }),
         scalacOptions --= {
           if (!sys.env.contains("CI"))
             List("-Xfatal-warnings") // to enable Scalafix