Gold: Patch linker to fix LTO related bugs.

third_party/binutils/build-all.sh

 #!/bin/sh
 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Script to build binutils for both i386 and AMD64 Linux architectures.
 # Must be run on an AMD64 supporting machine which has debootstrap and sudo
 # installed.
 # Uses Ubuntu Lucid chroots as build environment.
 
@@ skipping 26 matching lines @@
 
 
 if [ ! -d binutils-$VERSION ]; then
   # Extract the source
   tar jxf binutils-$VERSION.tar.bz2
 
   # Patch the source
   (
     cd binutils-$VERSION
     patch -p1 < ../ehframe-race.patch
+    patch -p1 < ../unlock-thin.patch
+    patch -p1 < ../plugin-dso-fix.patch
   )
 fi
 
 for ARCH in i386 amd64; do
   if [ ! -d lucid-chroot-$ARCH ]; then
     # Refresh sudo credentials
     sudo -v
 
     # Create the chroot
     echo ""
@@ skipping 42 matching lines @@
   sudo chown -R $(whoami) "$BUILDDIR/output/"
 
   # Strip the output binaries
   for i in "$BUILDDIR/output/$ARCHNAME/bin/*"; do
      strip $i
   done
 
   # Copy them out of the chroot
   cp -a "$BUILDDIR/output/$ARCHNAME" "$OUTPUTDIR"
 
+  # Copy plugin header out of the chroot
+  mkdir "$OUTPUTDIR/$ARCHNAME/include"
+  cp "$BUILDDIR/binutils-$VERSION/include/plugin-api.h" "$OUTPUTDIR/$ARCHNAME/include/"
+
   # Clean up chroot
   sudo rm -rf "$BUILDDIR"
 done
 
 echo "Check you are happy with the binaries in"
 echo "  $OUTPUTDIR"
 echo "Then"
 echo " * upload to Google Storage using the upload.sh script"
 echo " * roll dependencies"