69 lines
3.1 KiB
Batchfile
Executable File
69 lines
3.1 KiB
Batchfile
Executable File
@echo off
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rem Copyright (C) 2007 The Android Open Source Project
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rem
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rem Licensed under the Apache License, Version 2.0 (the "License");
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rem you may not use this file except in compliance with the License.
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rem You may obtain a copy of the License at
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rem
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rem http://www.apache.org/licenses/LICENSE-2.0
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rem
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rem Unless required by applicable law or agreed to in writing, software
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rem distributed under the License is distributed on an "AS IS" BASIS,
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rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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rem See the License for the specific language governing permissions and
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rem limitations under the License.
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rem This script is called by the other batch files to find a suitable Java.exe
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rem to use. The script changes the "java_exe" env variable. The variable
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rem is left unset if Java.exe was not found.
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rem Useful links:
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rem Command-line reference:
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rem http://technet.microsoft.com/en-us/library/bb490890.aspx
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rem Query whether this system is 32-bit or 64-bit
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rem Note: Some users report that reg.exe is missing on their machine, so we
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rem check for that first, as we'd like to use it if we can.
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set sys_32=%SYSTEMROOT%\system32
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if exist %sys_32%\reg.exe (
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rem This first-pass solution returns the correct architecture even if you
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rem call this .bat file from a 32-bit process.
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rem See also: http://stackoverflow.com/a/24590583/1299302
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%sys_32%\reg query "HKLM\Hardware\Description\System\CentralProcessor\0"^
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| %sys_32%\find /i "x86" > NUL && set arch_ext=32|| set arch_ext=64
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) else (
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rem This fallback approach is simpler, but may misreport your architecture as
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rem 32-bit if running from a 32-bit process. Still, it should serve to help
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rem our users without reg.exe, at least.
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if "%PROCESSOR_ARCHITECTURE%" == "x86" (set arch_ext=32) else (set arch_ext=64)
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)
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rem Check we have a valid Java.exe in the path. The return code will
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rem be 0 if the command worked or 1 if the exec failed (program not found).
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for /f "delims=" %%a in ('"%~dps0\find_java%arch_ext%.exe" -s') do set java_exe=%%a
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if not defined java_exe goto :CheckFailed
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:SearchJavaW
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rem Check if we can find a javaw.exe at the same location than java.exe.
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rem If that doesn't work, just fall back on the java.exe we just found.
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for /f "delims=" %%a in ('"%~dps0\find_java%arch_ext%.exe" -s -w') do set javaw_exe=%%a
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if not exist "%javaw_exe%" set javaw_exe=%java_exe%
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goto :EOF
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:CheckFailed
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echo.
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echo ERROR: No suitable Java found. In order to properly use the Android Developer
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echo Tools, you need a suitable version of Java JDK installed on your system.
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echo We recommend that you install the JDK version of JavaSE, available here:
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echo http://www.oracle.com/technetwork/java/javase/downloads
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echo.
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echo If you already have Java installed, you can define the JAVA_HOME environment
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echo variable in Control Panel / System / Avanced System Settings to point to the
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echo JDK folder.
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echo.
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echo You can find the complete Android SDK requirements here:
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echo http://developer.android.com/sdk/requirements.html
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echo.
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goto :EOF
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