Change run_remote_tests from portage build env.

src/scripts/build_autotest.sh

 #!/bin/bash
 
 # Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This script makes autotest client tests inside a chroot environment.  The idea
 # is to compile any platform-dependent autotest client tests in the build
 # environment, since client systems under test lack the proper toolchain.
 #
 # The user can later run autotest against an ssh enabled test client system, or
 # install the compiled client tests directly onto the rootfs image.
 
 . "$(dirname "$0")/common.sh"
+. "$(dirname $0)/autotest_lib.sh"
 
 # Script must be run inside the chroot
 assert_inside_chroot
 
 DEFAULT_TESTS_LIST="all"
 
-DEFINE_string board "" \
-  "The board for which you are building autotest"
 DEFINE_string build "${DEFAULT_TESTS_LIST}" \
   "a comma seperated list of autotest client tests to be prebuilt." b
 DEFINE_boolean prompt $FLAGS_TRUE "Prompt user when building all tests"
 
 # More useful help
 FLAGS_HELP="usage: $0 [flags]"
 
 # parse the command-line
 FLAGS "$@" || exit 1
 eval set -- "${FLAGS_ARGV}"
 set -e
 
-
-if [ -z ${FLAGS_board} ]
-then
-  echo "You are required to specify a board name from the command line."
-  echo "Supported boards are:"
-  for board in ../overlays/overlay-*
-  do
-    echo ${board:20}
-  done
-  exit 0
-fi
-
+check_board
 
 # build default pre-compile client tests list.
 ALL_TESTS="compilebench,dbench,disktest,ltp,unixbench"
 for SITE_TEST in ../third_party/autotest/files/client/site_tests/*
 do
   if [ -d ${SITE_TEST} ]
   then
     ALL_TESTS="${ALL_TESTS},${SITE_TEST:48}"
   fi
 done
 
 if [ ${FLAGS_build} == ${DEFAULT_TESTS_LIST} ]
 then
   if [ ${FLAGS_prompt} -eq ${FLAGS_TRUE} ]
   then
-    echo -n "You want to prebuild all client tests and it may take a long time "
-    echo "to finish. "
+    echo -n "You want to pre-build all client tests and it may take a long time"
+    echo " to finish. "
     read -p "Are you sure you want to continue?(N/y)" answer
     answer=${answer:0:1}
     if [ "${answer}" != "Y" ] && [ "${answer}" != "y" ]
     then
       echo "Use --build to specify tests you like to pre-compile."
       echo -n "E.g.: ./enter_chroot.sh \"./build_autotest.sh "
       echo "--build=system_SAT\""
       exit 0
     fi
   fi
   TEST_LIST=${ALL_TESTS}
 else
   TEST_LIST=${FLAGS_build}
 fi
 
 GCLIENT_ROOT="${GCLIENT_ROOT}" TEST_LIST=${TEST_LIST} \
 "emerge-${FLAGS_board}" chromeos-base/autotest