Gold: Patch linker to implement --long-plt flag.

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 18 matching lines @@
 wget -c -q http://ftp.gnu.org/gnu/binutils/binutils-$VERSION.tar.bz2.sig
 if ! gpg --verify binutils-$VERSION.tar.bz2.sig; then
   echo "GPG Signature failed to verify."
   echo ""
   echo "You may need to import the vendor GPG key with:"
   echo "# gpg --keyserver pgp.mit.edu --recv-key 4AE55E93"
   exit 1
 fi
 
 
-if [ ! -d binutils-$VERSION ]; then
-  # Extract the source
-  tar jxf binutils-$VERSION.tar.bz2
+# Extract the source
+rm -rf binutils-$VERSION
+tar jxf binutils-$VERSION.tar.bz2
 
-  # Patch the source
-  (
-    cd binutils-$VERSION
-    echo "unlock-thin.patch"
-    echo "=================================="
-    patch -p1 < ../unlock-thin.patch
-    echo "----------------------------------"
-    echo
-    echo "plugin-dso-fix.patch"
-    echo "=================================="
-    patch -p1 < ../plugin-dso-fix.patch
-    echo "----------------------------------"
-    echo
-  )
-fi
+# Patch the source
+(
+  cd binutils-$VERSION
+  echo "unlock-thin.patch"
+  echo "=================================="
+  patch -p1 < ../unlock-thin.patch
+  echo "----------------------------------"
+  echo
+  echo "plugin-dso-fix.patch"
+  echo "=================================="
+  patch -p1 < ../plugin-dso-fix.patch
+  echo "----------------------------------"
+  echo
+  echo "long-plt.patch"
+  echo "=================================="
+  patch -p1 < ../long-plt.patch
+  echo "----------------------------------"
+  echo
+)
 
 for ARCH in i386 amd64; do
   if [ ! -d precise-chroot-$ARCH ]; then
     # Refresh sudo credentials
     sudo -v
 
     # Create the chroot
     echo ""
     echo "Building chroot for $ARCH"
     echo "============================="
@@ skipping 53 matching lines @@
 
   # 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"