Supress deprecation warnings

Author: adpi2

sbt-bridge/src/dotty/tools/xsbt/CompilerBridgeDriver.java

@@ -29,13 +29,13 @@ public CompilerBridgeDriver(String[] scalacOptions, Output output) {
     super();
     this.scalacOptions = scalacOptions;
 
-    if (!output.getSingleOutput().isPresent())
+    if (!output.getSingleOutputAsPath().isPresent())
       throw new IllegalArgumentException("output should be a SingleOutput, was a " + output.getClass().getName());
 
     this.args = new String[scalacOptions.length + 2];
     System.arraycopy(scalacOptions, 0, args, 0, scalacOptions.length);
     args[scalacOptions.length] = "-d";
-    args[scalacOptions.length + 1] = output.getSingleOutput().get().getAbsolutePath();
+    args[scalacOptions.length + 1] = output.getSingleOutputAsPath().get().toAbsolutePath().toString();
   }
 
   private static final String StopInfoError =

sbt-bridge/src/xsbt/CachedCompilerImpl.java

@@ -14,6 +14,9 @@
 import dotty.tools.xsbt.InterfaceCompileFailed;
 import dotty.tools.xsbt.DelegatingReporter;
 
+// deprecation warnings are suppressed because scala3-sbt-bridge must stay compatible with Zinc 1.3
+// see https://github.com/lampepfl/dotty/issues/10816
+@SuppressWarnings("deprecation")
 public class CachedCompilerImpl implements CachedCompiler {
   private final String[] args;
   private final String[] outputArgs;