Add a --legacy_external_runfiles option

This isn't hooked up to anything yet, but is another piece of getting #848
rolled forward.

--
MOS_MIGRATED_REVID=120582973

1 files changed, 3 insertions, 1 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/rules/SkylarkRuleConfiguredTargetBuilder.java b/src/main/java/com/google/devtools/build/lib/rules/SkylarkRuleConfiguredTargetBuilder.java
index db0f9709f6..263fc49468 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/SkylarkRuleConfiguredTargetBuilder.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/SkylarkRuleConfiguredTargetBuilder.java
@@ -334,7 +334,9 @@ public final class SkylarkRuleConfiguredTargetBuilder {
     if (executable == null) {
       return runfiles;
     }
-    return new Runfiles.Builder(ruleContext.getWorkspaceName()).addArtifact(executable)
+    return new Runfiles.Builder(
+        ruleContext.getWorkspaceName(), ruleContext.getConfiguration().legacyExternalRunfiles())
+        .addArtifact(executable)
         .merge(runfiles).build();
   }
 }