toolchain/build: Support linaro android toolchain

diff --git a/linaro-build.sh b/linaro-build.sh
new file mode 100755
index 0000000..57266dd
--- /dev/null
+++ b/linaro-build.sh
@@ -0,0 +1,195 @@ 
+#!/bin/bash
+
+# Copyright (C) 2011 Linaro
+#
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+
+ARG_PREFIX_DIR=/tmp/android-toolchain-eabi
+ARG_TOOLCHAIN_SRC_DIR=${PWD%/build}
+
+ARG_LINARO_GCC_SRC_DIR=
+ARG_WGET_LINARO_GCC_SRC=
+ARG_BZR_LINARO_GCC_SRC=
+
+ARG_WITH_GCC=
+
+ARG_APPLY_PATCH=no
+
+abort() {
+  echo $@
+  exec false
+}
+
+error() {
+  abort "[ERROR] $@"
+}
+
+warn() {
+  echo "[WARNING] $@"
+}
+
+info() {
+  echo "[INFO] $@"
+}
+
+note() {
+  echo "[NOTE] $@"
+}
+
+usage() {
+  echo
"--------------------------------------------------------------------"
+  echo "--prefix=           Specify where to install (default:
/tmp/android-toolchain-eabi)"
+  echo "--toolchain-src=    Specify Android toolchain source dir (default:
<toolchain/build>/../)"
+  echo "--with-gcc=         Specify GCC source (support: directory, bzr,
url)"
+  echo "--apply-gcc-patch=(yes|no)   Apply gcc-patches (default: no)"
+  echo "--help              Print help message"
+  echo
"--------------------------------------------------------------------"
+}
+
+ARG_LINARO_GCC_SRC_DIR=
+
+
+downloadFormBZR() {
+  local MY_LP_LINARO_GCC=$1
+  ARG_LINARO_GCC_SRC_DIR=${MY_LP_LINARO_GCC#*:}
+
+  [ ! -d ${ARG_TOOLCHAIN_SRC_DIR}/gcc ] && mkdir -p
"${ARG_TOOLCHAIN_SRC_DIR}/gcc"
+  if [ ! -d "${ARG_TOOLCHAIN_SRC_DIR}/gcc/${ARG_LINARO_GCC_SRC_DIR}" ];
then
+    info "Use bzr to clone ${MY_LP_LINARO_GCC}"
+    RUN=`bzr clone ${MY_LP_LINARO_GCC}
${ARG_TOOLCHAIN_SRC_DIR}/gcc/${ARG_LINARO_GCC_SRC_DIR}`
+    [ $? -ne 0 ] && error "bzr ${MY_LP_LINARO_GCC} error"
+  else
+    info "${ARG_TOOLCHAIN_SRC_DIR}/gcc/${ARG_LINARO_GCC_SRC_DIR} is already
exist, skip bzr clone"
+  fi
+}
+
+downloadFormHTTP() {
+  info "Use wget to get $1"
+  local MY_LINARO_GCC_FILE=`basename $1`
+  if [ -f "${MY_LINARO_GCC_FILE}" ]; then
+    #TODO: Add md5 check
+    info "${MY_LINARO_GCC_FILE} is already exist, skip download"
+  else
+    RUN=`wget $1`
+    [ $? -ne 0 ] && error "wget $1 error"
+    #TODO: Add md5 check
+  fi
+
+  ARG_LINARO_GCC_SRC_DIR=`basename ${MY_LINARO_GCC_FILE} .tar.bz2`
+  [ ! -d ${ARG_TOOLCHAIN_SRC_DIR}/gcc ] && mkdir -p
"${ARG_TOOLCHAIN_SRC_DIR}/gcc"
+  if [ ! -d "${ARG_TOOLCHAIN_SRC_DIR}/gcc/${ARG_LINARO_GCC_SRC_DIR}" ];
then
+    info "untar ${MY_LINARO_GCC_FILE} to ${ARG_TOOLCHAIN_SRC_DIR}/gcc"
+    tar jxf ${MY_LINARO_GCC_FILE} -C ${ARG_TOOLCHAIN_SRC_DIR}/gcc
+  else
+    info "${ARG_TOOLCHAIN_SRC_DIR}/gcc/${ARG_LINARO_GCC_SRC_DIR} is already
exist, skip untar"
+  fi
+}
+
+getGCCFrom() {
+  # set empty to detect error
+  ARG_LINARO_GCC_SRC_DIR=
+  ARG_LINARO_GCC_VER=
+
+  case $1 in
+    lp:*) # bzr clone lp:gcc-linaro
+      downloadFormBZR $1
+      ;;
+    http://*) # snapshot url
http://launchpad.net/gcc-linaro/4.5/4.5-2011.02-0/+download/gcc-linaro-4.5-2011.02-0.tar.bz2
+      downloadFormHTTP $1
+      ;;
+    *) # local directory
+      [ ! -d "${ARG_TOOLCHAIN_SRC_DIR}/gcc/$1" ] && error
"$ARG_TOOLCHAIN_SRC_DIR/gcc/$ARG_LINARO_GCC_SRC_DIR not exist"
+      ARG_LINARO_GCC_SRC_DIR=$1
+  esac
+
+  ARG_LINARO_GCC_VER=`echo ${ARG_LINARO_GCC_SRC_DIR} | grep -o "4\.[5-9]"`
+  if [ ${ARG_LINARO_GCC_VER} = "" ]; then
+    warn "Cannot detect version for ${ARG_LINARO_GCC_VER}, 4.5 is used"
+    ARG_LINARO_GCC_VER=4.5
+  fi
+}
+
+while [ $# -gt 0 ]; do
+  ARG=$1
+  ARG_PARMS="$ARG_PARMS '$ARG'"
+  shift
+  case "$ARG" in
+    --prefix=*)
+      ARG_PREFIX_DIR="${ARG#*=}"
+      ;;
+    --toolchain-src=*)
+      ARG_TOOLCHAIN_SRC_DIR="${ARG#*=}"
+      ;;
+    --with-gcc=*)
+      ARG_WITH_GCC="${ARG#*=}"
+      ;;
+    --apply-gcc-patch=yes | --apply-gcc-patch=no)
+      ARG_APPLY_PATCH="${ARG#*=}"
+      ;;
+    --help)
+      usage && abort
+      ;;
+    *)
+      error "Unrecognized parameter $ARG"
+      ;;
+  esac
+done
+
+BUILD_ARCH=`uname -m`
+BUILD_WITH_LOCAL=
+BUILD_HOST=
+
+if [ "${ARG_TOOLCHAIN_SRC_DIR}" = "" ] || [ ! -f
"${ARG_TOOLCHAIN_SRC_DIR}/build/configure" ] ; then
+  error "--toolchain-src-dir is not set or ${ARG_TOOLCHAIN_SRC_DIR} is not
ANDROID_TOOLCHAIN_ROOT"
+fi
+
+if [ "${ARG_WITH_GCC}" = "" ]; then
+  error "Must specify --with-gcc to build toolchain"
+fi
+
+getGCCFrom $ARG_WITH_GCC
+
+if [ "x${ARG_APPLY_PATCH}" = "xyes" ]; then
+  note "Will apply patches in toolchain/gcc-patches/${ARG_LINARO_GCC_VER}"
+  cd ${ARG_TOOLCHAIN_SRC_DIR}/gcc/${ARG_LINARO_GCC_SRC_DIR}
+  for FILE in `ls
${ARG_TOOLCHAIN_SRC_DIR}/gcc-patches/${ARG_LINARO_GCC_VER}` ; do
+    if [ ! -f ${FILE}-patch.log ]; then
+      note "Applying patch ${FILE}"
+      git apply
${ARG_TOOLCHAIN_SRC_DIR}/gcc-patches/${ARG_LINARO_GCC_VER}/${FILE} 2>&1 |
tee "${FILE}-patch.log"
+    fi
+  done
+  cd -
+fi
+
+ARG_LINARO_GCC_SRC_DIR=${ARG_LINARO_GCC_SRC_DIR#gcc-*}
+
+if echo "$BUILD_ARCH" | grep -q '64' ; then
+  info "Use 64-bit Build Enviorment"
+  BUILD_HOST=x86_64-linux-gnu