how to building SDK for Window with cygwin

bxfqing

1.0 INSTALL CYGWIN
First ,install cygwin 1.5, You  can find at this page:
http://cygwin.org/win-9x.html
Don't mind the page title, just grab setup-legacy.exe and it will works just fine
under XP or Vista.
- When installing Cygwin, set Default Text File Type to Unix/binary, not DOS/text.
  This is really important, otherwise you will get errors when trying to
  checkout code using git.
- Packages that you must install or not:
  - Required packages: autoconf, bison, curl, flex, gcc, g++, git, gnupg, make,
                       mingw-zlib, python, zip, unzip.
  - Suggested extra packages: diffutils, emacs, openssh, rsync, vim, wget.
  - Packages that must not be installed: readline.

Attention 1:
安装cygwin要分为两步, a ) install default packages b) install required packages by android
否则,会提示一大堆的错误, e.g.

1. autoconf.sh exit code -6
   
2.                 autoconf2.1.sh exit code -6
   
3.                 autoconf2.5.sh exit code -6
   
4.                 base-files-mketc.sh exit code -6
   
5.                 base-files-profile.sh exit code -6
   
6.                 bash.sh exit code -6
   
7.                 coreutils.sh exit code -6
   
8.                 cygwin-doc.sh exit code -6
   

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就算增量的安装,也会提示一个错误: autoconf2.5.sh exit code -6,or autoconf2.5.sh exit code 1
目前我未发现对下载,编译有影响;
Attention 2:
安装完成后,运行时windows系统会提示:
16位 MS-DOS子系统,cygwin.pif XXX程序文件名无效
解决方法: 第一 确认command.com程序是否存在于你的windows系统中,包括目录:
c:\windows and C:\WINDOWS\system32
如果2个目录都有,还是存在此问题:
把系统盘（Windows XP安装盘）放入光驱，然后启动CMD（开始—运行—输入CMD），
在CMD命令行里输入以下命令（假设你的系统安装在C：下面，光驱为F：）
expand F:\i386\config.nt_ C:\WINDOWS\system32\config.nt
expand F:\i386\autoexec.nt_ C:\WINDOWS\system32\autoexec.nt
expand F:\i386\command.co_ C:\WINDOWS\system32\command.com
expand F:\i386\command.co_ C:\WINDOWS\command.com
我到此,cygwin就可以使用了
2.0 DOWNLOAD ANDROID SOURCE
2.1 如果你的环境存在代理,那么请这样做
$vim  ~/.bash_profile  
adding:
export http_proxy=http://www.XXX.com:80
export https_proxy=https://www.XXX.com:80
export ftp_proxy=ftp://www.XXX.com:80
$source ~/.bash_profile
2.2 由于瓷器国环境,repo 使用git方式,经常失败,所以我使用http方式,试用可正常访问android.git.kernel.org,方法如下:
参考 :http://source.android.com/source/downloading.html
2.2.1 Installing Repo
$curl http://android.git.kernel.org/repo > ~/bin/repo #使用http和https,
$chmod a+x ~/bin/repo
$ vim ~/bin/repo
将 REPO_URL='git://android.git.kernel.org/tools/repo.git'
修改为 REPO_URL='http://android.git.kernel.org/tools/repo.git'

2.2.2 Initializing a Repo client
cd ~/my-android-git
$python ~/bin/repo init -u http://android.git.kernel.org/platform/manifest.git -b android-2.3.4_r1 #使用http
$vim  .repo/mainfest.xml
modify fetch="git://android.git.kernel.org/"
with   fetch="http://android.git.kernel.org/"
python ~/bin/repo sync
漫长的等待... ... ... ...

bxfqing

1. $ python ~/bin/repo sync
   
2. Fetching projects: 100% (165/165), done.
   
3.   14851 [main] git 3344 C:\cygwin\bin\git.exe: *** fatal error - could not load
   
4. shell32, Win32 error 487
   
5. Traceback (most recent call last):
   
6.   File "/home/Android/my-android-git/.repo/repo/main.py", line 238, in <module>
   
7.     _Main(sys.argv[1:])
   
8.   File "/home/Android/my-android-git/.repo/repo/main.py", line 220, in _Main
   
9.     repo._Run(argv)
   
10.   File "/home/Android/my-android-git/.repo/repo/main.py", line 125, in _Run
    
11.     cmd.Execute(copts, cargs)
    
12.   File "/home/Android/my-android-git/.repo/repo/subcmds/sync.py", line 417, in E
    
13. xecute
    
14.     project.Sync_LocalHalf(syncbuf)
    
15.   File "/home/Android/my-android-git/.repo/repo/project.py", line 956, in Sync_L
    
16. ocalHalf
    
17.     self._InitWorkTree()
    
18.   File "/home/Android/my-android-git/.repo/repo/project.py", line 1579, in _Init
    
19. WorkTree
    
20.     raise GitError("cannot initialize work tree")
    
21. error.GitError: cannot initialize work tree
    
22. 
    
23. Android@android-3d1ddfd ~/my-android-git

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bxfqing

I tried, too

On Ubuntu 10.04 (x86_64),

$ repo init -b android-2.3.4_r1
$ repo sync

$ sudo apt-get install mingw32
$ make -j8 PRODUCT-sdk-win_sdk showcommands dist

It worked fine for me.