Use checked-in .package file for building and testing

sdk/bin/dart2js

 #!/usr/bin/env bash
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 function follow_links() {
   file="$1"
   while [ -h "$file" ]; do
     # On Mac OS, readlink -f doesn't work.
     file="$(readlink "$file")"
@@ skipping 34 matching lines @@
 # We allow extra vm options to be passed in through an environment variable.
 if [[ $DART_VM_OPTIONS ]]; then
   read -a OPTIONS <<< "$DART_VM_OPTIONS"
   EXTRA_VM_OPTIONS+=("${OPTIONS[@]}")
 fi
 
 DART_ROOT="$(cd "${SDK_DIR}/.." ; pwd -P)"
 
 DART2JS="$DART_ROOT/pkg/compiler/lib/src/dart2js.dart"
 
-if [[ `uname` == 'Darwin' ]]; then
-  OUT_DIR="$DART_ROOT/xcodebuild/"
-else
-  OUT_DIR="$DART_ROOT/out/"
-fi
-
-if [ -z "$DART_CONFIGURATION" ];
-then
-  DIRS=$( ls "$OUT_DIR" )
-  # list of possible configurations in decreasing desirability
-  CONFIGS=("ReleaseX64" "ReleaseIA32" "DebugX64" "DebugIA32"
-    "ReleaseARM"    "ReleaseARM64"    "ReleaseARMV5TE"    "ReleaseMIPS"
-    "DebugARM"      "DebugARM64"      "DebugARMV5TE"      "DebugMIPS")
-  DART_CONFIGURATION="None"
-  for CONFIG in ${CONFIGS[*]}
-  do
-    for DIR in $DIRS;
-    do
-      if [ "$CONFIG" = "$DIR" ];
-      then
-        # choose most desirable configuration that is available and break
-        DART_CONFIGURATION="$DIR"
-        break 2
-      fi
-    done
-  done
-  if [ "$DART_CONFIGURATION" = "None" ]
-  then
-    echo "No valid dart configuration found in $OUT_DIR"
-    exit 1
-  fi
-fi
-
-BUILD_DIR="$OUT_DIR$DART_CONFIGURATION"
-
-PACKAGE_ROOT="$BUILD_DIR/packages/"
-
-exec "$DART" "${EXTRA_VM_OPTIONS[@]}" "--package-root=$PACKAGE_ROOT" "$DART2JS" "${EXTRA_OPTIONS[@]}" "$@"
+exec "$DART" "${EXTRA_VM_OPTIONS[@]}" "$DART2JS" "${EXTRA_OPTIONS[@]}" "$@"