1 files changed, 18 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/CcLinkingOutputs.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/CcLinkingOutputs.java
index 9d2ef270cf..aab459989c 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/cpp/CcLinkingOutputs.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/CcLinkingOutputs.java
@@ -69,6 +69,24 @@ public class CcLinkingOutputs {
   }
 
   /**
+   * Returns all libraries in this CcLinkingOutputs with the same library identifier - i.e., those
+   * which would be considered different forms of the same library by getPreferredLibrary.
+   */
+  public List<LibraryToLink> getLibrariesWithSameIdentifierAs(LibraryToLink input) {
+    Iterable<LibraryToLink> allLibraries =
+        Iterables.concat(
+            staticLibraries, picStaticLibraries, dynamicLibraries, executionDynamicLibraries);
+    ImmutableList.Builder<LibraryToLink> result = new ImmutableList.Builder<>();
+    for (LibraryToLink library : allLibraries) {
+      if (libraryIdentifierOf(library.getOriginalLibraryArtifact())
+          .equals(libraryIdentifierOf(input.getOriginalLibraryArtifact()))) {
+        result.add(library);
+      }
+    }
+    return result.build();
+  }
+
+  /**
    * Add the ".a", ".pic.a" and/or ".so" files in appropriate order of preference depending on the
    * link preferences.
    *