Link to tools/objc/dummy.c from output directory to allow xcodeproj to resolve the file even while outside a workspace which contains it

--
MOS_MIGRATED_REVID=101462428

1 files changed, 10 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/rules/objc/IntermediateArtifacts.java b/src/main/java/com/google/devtools/build/lib/rules/objc/IntermediateArtifacts.java
index 754adc96fd..5c46270b1f 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/objc/IntermediateArtifacts.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/objc/IntermediateArtifacts.java
@@ -17,6 +17,7 @@ package com.google.devtools.build.lib.rules.objc;
 import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
 import com.google.devtools.build.lib.actions.Artifact;
+import com.google.devtools.build.lib.analysis.RuleConfiguredTarget.Mode;
 import com.google.devtools.build.lib.analysis.RuleContext;
 import com.google.devtools.build.lib.syntax.Label;
 import com.google.devtools.build.lib.vfs.FileSystemUtils;
@@ -74,6 +75,15 @@ final class IntermediateArtifacts {
   }
 
   /**
+   * A dummy .c file to be included in xcode projects. This is needed if the target does not have
+   * any source files but Xcode requires one.
+   */
+  public Artifact dummySource() {
+    return scopedArtifact(
+        ruleContext.getPrerequisiteArtifact("$dummy_source", Mode.TARGET).getRootRelativePath());
+  }
+
+  /**
    * The output of using {@code actoolzip} to run {@code actool} for a given bundle which is
    * merged under the {@code .app} or {@code .bundle} directory root.
    */