From 5677e433d627fbcc41898162a97de7e19f787779 Mon Sep 17 00:00:00 2001
From: Shankar Easwaran <shankare@codeaurora.org>
Date: Thu, 22 Aug 2013 04:24:57 +0000
Subject: [PATCH] fix build failures on platforms that use
 -Wunused-private-variable for builds

llvm-svn: 188983
---
 lld/include/lld/Driver/CoreInputGraph.h   | 5 ++++-
 lld/include/lld/Driver/DarwinInputGraph.h | 5 ++++-
 lld/include/lld/Driver/GnuLDInputGraph.h  | 7 +++++--
 3 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/lld/include/lld/Driver/CoreInputGraph.h b/lld/include/lld/Driver/CoreInputGraph.h
index a89f3b7..5151a2a 100644
--- a/lld/include/lld/Driver/CoreInputGraph.h
+++ b/lld/include/lld/Driver/CoreInputGraph.h
@@ -38,7 +38,10 @@ public:
   createLinkerInput(const lld::LinkingContext &);
 
   /// \brief validates the Input Element
-  virtual bool validate() { return true; }
+  virtual bool validate() {
+    (void)_ctx;
+    return true;
+  }
 
   /// \brief Dump the Input Element
   virtual bool dump(raw_ostream &) { return true; }
diff --git a/lld/include/lld/Driver/DarwinInputGraph.h b/lld/include/lld/Driver/DarwinInputGraph.h
index f64a6f9..c6338cb 100644
--- a/lld/include/lld/Driver/DarwinInputGraph.h
+++ b/lld/include/lld/Driver/DarwinInputGraph.h
@@ -39,7 +39,10 @@ public:
   createLinkerInput(const lld::LinkingContext &);
 
   /// \brief validates the Input Element
-  virtual bool validate() { return true; }
+  virtual bool validate() {
+    (void)_ctx;
+    return true;
+  }
 
   /// \brief Dump the Input Element
   virtual bool dump(raw_ostream &) { return true; }
diff --git a/lld/include/lld/Driver/GnuLDInputGraph.h b/lld/include/lld/Driver/GnuLDInputGraph.h
index a595182b..6847525 100644
--- a/lld/include/lld/Driver/GnuLDInputGraph.h
+++ b/lld/include/lld/Driver/GnuLDInputGraph.h
@@ -89,12 +89,15 @@ public:
   }
 
   /// \brief Validate the options
-  virtual bool validate() { return true; }
+  virtual bool validate() {
+    (void)_elfLinkingContext;
+    return true;
+  }
 
   /// \brief Dump the ELFGroup
   virtual bool dump(llvm::raw_ostream &) { return true; }
 
-protected:
+private:
   ELFLinkingContext &_elfLinkingContext;
 };
 
-- 
2.7.4