1 files changed, 48 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/CcSpecificLinkParamsProvider.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/CcSpecificLinkParamsProvider.java
new file mode 100644
index 0000000000..dfcecc276c
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/CcSpecificLinkParamsProvider.java
@@ -0,0 +1,48 @@
+// Copyright 2014 Google Inc. 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;
+
+import com.google.common.base.Function;
+import com.google.devtools.build.lib.analysis.TransitiveInfoCollection;
+import com.google.devtools.build.lib.analysis.TransitiveInfoProvider;
+import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
+import com.google.devtools.build.lib.rules.cpp.CcLinkParamsStore.CcLinkParamsStoreImpl;
+
+/**
+ * A target that provides libraries to be only linked into other C++ targets (and not targets
+ * for other languages)
+ */
+@Immutable
+public final class CcSpecificLinkParamsProvider implements TransitiveInfoProvider {
+  private final CcLinkParamsStoreImpl store;
+
+  public CcSpecificLinkParamsProvider(CcLinkParamsStore store) {
+    this.store = new CcLinkParamsStoreImpl(store);
+  }
+
+  public CcLinkParamsStore getLinkParams() {
+    return store;
+  }
+
+  public static final Function<TransitiveInfoCollection, CcLinkParamsStore> TO_LINK_PARAMS =
+      new Function<TransitiveInfoCollection, CcLinkParamsStore>() {
+        @Override
+        public CcLinkParamsStore apply(TransitiveInfoCollection input) {
+          CcSpecificLinkParamsProvider provider = input.getProvider(
+              CcSpecificLinkParamsProvider.class);
+          return provider == null ? null : provider.getLinkParams();
+        }
+      };
+}