Respect debug flag setting when building unit tests.

cros_run_unit_tests

 #!/bin/bash
 
 # Copyright (c) 2010 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 builds and runs Chromium OS unit tests.  Note that this script
 # utilizes the src_test stanza in chromeos-base packages.  These stanzas
 # should both build and run the unit tests.
 
 # This script requires that you run build_packages first.
 
 . "$(dirname "$0")/common.sh"
 
 get_default_board
 
 # Flags
 DEFINE_string board "${DEFAULT_BOARD}" \
   "Target board of which tests were built"
 DEFINE_string build_root "${DEFAULT_BUILD_ROOT}" \
   "Root of build output"
 DEFINE_string package_file "" \
   "File with space-separated list of packages to run unit tests" f
 DEFINE_string packages "" \
   "Optional space-separated list of packages to run unit tests" p
+DEFINE_boolean withdebug "${FLAGS_TRUE}" \
+  "Build debug versions of Chromium-OS-specific packages."
 
 # Total count of packages with unit tests.
 TEST_COUNT=0
 # Number of unit test failures.
 TEST_FAILURES=0
 # List of packages with no unit tests.
 NO_UNITTESTS=""
 # List of packages that have unit test failures.
 FAILED_PACKAGES=""
 
@@ skipping 33 matching lines @@
 [ -n "${FLAGS_packages}" ] && PACKAGE_LIST="${PACKAGE_LIST} ${FLAGS_packages}"
 
 # If we didn't specify packages, find all packages.
 if [ -z "${FLAGS_package_file}" -a -z "${FLAGS_packages}" ]; then
   PACKAGE_LIST=$( ./get_package_list chromeos --board="${FLAGS_board}" |
                   egrep '^chromeos-base' )
 fi
 
 BLACK_LIST_FILE="$(dirname "$0")/unit_test_black_list.txt"
 
+if [ "${FLAGS_withdebug}" -eq "${FLAGS_FALSE}" ]; then
+  export USE="${USE} -cros-debug"
+fi
+
 for package in ${PACKAGE_LIST}; do
   if grep -xq "${package}" "${BLACK_LIST_FILE}"; then
     warn "Skipping package ${package} since it is blacklisted."
     continue
   fi
   EBUILD_PATH=$( equery-${FLAGS_board} which ${package} 2> /dev/null ) || \
     warn "${package} not found"
   if [ -n "${EBUILD_PATH}" ]; then
     if check_src_test "${EBUILD_PATH}"; then
       run_unit_test "${EBUILD_PATH}" || record_test_failure "${package}"
     else
       NO_UNITTESTS="${NO_UNITTESTS} ${package}"
     fi
     TEST_COUNT=$(( TEST_COUNT + 1 ))
   fi
 done
 
 if [ -n "${NO_UNITTESTS}" ]; then
   warn "The following packages have no unit tests:"
   warn "${NO_UNITTESTS}"
 fi
 
 if [ ${TEST_FAILURES} -ne 0 ]; then
   error "Run completed with ${TEST_FAILURES}/${TEST_COUNT} test failures."
   error "Following packages had failing tests:"
   die "${FAILED_PACKAGES}"
 else
   info "All unit tests passed."
 fi