/*
 * Copyright 2016-present Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License. You may obtain
 * a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package com.facebook.buck.android.toolchain.ndk;

import com.facebook.buck.util.immutables.BuckStyleImmutable;
import org.immutables.value.Value;

@Value.Immutable
@BuckStyleImmutable
interface AbstractNdkCxxPlatformCompiler {

  NdkCompilerType getType();

  /**
   * @return the compiler version, corresponding to either `gcc_version` or `clang_version` from the
   *     .buckconfig settings, depending on which compiler family was selected.
   */
  String getVersion();

  /**
   * @return the GCC compiler version. Since even runtimes which are not GCC-based need to use GCC
   *     tools (e.g. ar, as,, ld.gold), we need to *always* have a version of GCC.
   */
  String getGccVersion();
}

@@ -650,16 +650,107 @@
 n.ndk;%0A%0A
+import com.facebook.buck.rules.AddToRuleKey;%0Aimport com.facebook.buck.rules.AddsToRuleKey;%0A
 import c
@@ -920,10 +920,48 @@
 ler 
-%7B%0A
+extends AddsToRuleKey %7B%0A%0A  @AddToRuleKey
 %0A  N
@@ -1172,32 +1172,48 @@
 selected.%0A   */%0A
+  @AddToRuleKey%0A
   String getVers
@@ -1414,16 +1414,32 @@
 .%0A   */%0A
+  @AddToRuleKey%0A
   String

Make AbstractNdkCxxPlatformCompiler implement AddsToRuleKey