1 files changed, 56 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/transitions/DisableLipoTransition.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/transitions/DisableLipoTransition.java
new file mode 100644
index 0000000000..c6314971c2
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/transitions/DisableLipoTransition.java
@@ -0,0 +1,56 @@
+// Copyright 2015 The Bazel Authors. All rights reserved.
+//
+// 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.google.devtools.build.lib.rules.cpp.transitions;
+
+import com.google.devtools.build.lib.analysis.config.BuildOptions;
+import com.google.devtools.build.lib.analysis.config.PatchTransition;
+import com.google.devtools.build.lib.rules.cpp.CppOptions;
+import com.google.devtools.build.lib.view.config.crosstool.CrosstoolConfig.LipoMode;
+
+/**
+ * Configuration transition that turns off LIPO/FDO settings.
+ *
+ * <p>Has no effect on non-LIPO-enabled configurations or the LIPO context collector
+ * configuration.
+ *
+ */
+public final class DisableLipoTransition implements PatchTransition {
+  public static final DisableLipoTransition INSTANCE = new DisableLipoTransition();
+
+  private DisableLipoTransition() {}
+
+  @Override
+  public BuildOptions apply(BuildOptions options) {
+    // If this target and its transitive closure don't have C++ options, there's no
+    // LIPO context to change.
+    if (!options.contains(CppOptions.class)) {
+      return options;
+    }
+    CppOptions cppOptions = options.get(CppOptions.class);
+
+    if (cppOptions.getLipoMode() == LipoMode.OFF || cppOptions.isLipoContextCollector()) {
+      return options;
+    }
+    BuildOptions lipoDisabledOptions = options.clone();
+    lipoDisabledOptions.get(CppOptions.class).lipoConfigurationState =
+        CppOptions.LipoConfigurationState.IGNORE_LIPO;
+    return lipoDisabledOptions;
+  }
+
+  @Override
+  public boolean defaultsToSelf() {
+    return false;
+  }
+}