Fixed dx bat

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Fixed dx.bat used to build Qtbase/Android on Windows

@echo off
REM Copyright © 2007 The Android Open Source Project
REM
REM Licensed under the Apache License, Version 2.0 (the "License");
REM you may not use this file except in compliance with the License.
REM You may obtain a copy of the License at
REM
REM http://www.apache.org/licenses/LICENSE-2.0
REM
REM Unless required by applicable law or agreed to in writing, software
REM distributed under the License is distributed on an "AS IS" BASIS,
REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
REM See the License for the specific language governing permissions and
REM limitations under the License.
 
REM don't modify the caller's environment
setlocal
 
REM Locate dx.jar in the directory where dx.bat was found and start it.
 
REM Set up prog to be the path of this script, including following symlinks,
REM and set up progdir to be the fully-qualified pathname of its directory.
set prog=%~f0
 
if [%1]==[] goto badArgs
set androidsdk=%1
shift /1
 
rem Check we have a valid Java.exe in the path.
set java_exe=
call androidsdk_java.bat
if not defined java_exe goto :EOF
 
set jarfile=dx.jar
 
set frameworkdir=androidsdk-toolsif exist frameworkdirjarfile goto JarFileOk
 
set frameworkdir=androidsdk-tools\libif exist frameworkdirjarfile goto JarFileOk
 
set frameworkdir=androidsdk
:JarFileOk
 
set jarpath=frameworkdirjarfile
 
set javaOpts=
set args=
 
REM By default, give dx a max heap size of 1 gig and a stack size of 1meg.
rem This can be overridden by using "-JXmx…" and "-JXss…" options below.
set defaultXmx=-Xmx1024M
set defaultXss=-Xss1m
 
REM Capture all arguments that are not -J options.
REM Note that when reading the input arguments with %1, the cmd.exe
REM automagically converts —name=value arguments into 2 arguments "—name"
REM followed by "value". Dx has been changed to know how to deal with that.
set params=
 
:firstArg
if [1]==[] goto endArgs
set a=~1
 
if [%defaultXmx%]==[] goto notXmx
 if a:~0,5 NEQ -JXmx goto notXmx
 set defaultXmx=
 :notXmx
 
if [%defaultXss%]==[] goto notXss
 if a:~0,5 NEQ -JXss goto notXss
 set defaultXss=
 :notXss
 
if a:~0,2 NEQ -J goto notJ
 set javaOpts=javaOpts-a:~2
 shift /1
 goto firstArg
 
:notJ
 set params=params %1
 shift /1
 goto firstArg
 
:endArgs
 
set javaOpts=javaOpts %defaultXmx% %defaultXss%
 
call java_exe javaOpts -Djava.ext.dirs=frameworkdir -jar jarpath params
 
goto :EOF
 
:badArgs
echo Usage: dx <android_sdk_path> <dx_arguments>
echo Example: dx d:-sdk —dex —output=d:.jar d: