获取android源代码

android的源代码非常庞大 http://android.git.kernel.org/ 官方网站下面这段话

To clone one of these trees, install git , and run:

git clone git://android.git.kernel.org/ + project path.

To clone the entire platform, install repo , and run:

mkdir mydroid cd mydroid repo init -u git://android.git.kernel.org/platform/manifest.git repo sync

For more information about git , see an overview

打算全部下载回来再说，先下载repo脚本

更多git和repo使用说明看这里：

http://source.android.com/download/using-repo

curl http://android.git.kernel.org/repo >repo

chmod +x repo

[email protected]:~/android/source$ ./repo init -u git://android.git.kernel.org/platform/manifest.git
gpg: keyring `/home/wen/.repoconfig/gnupg/secring.gpg' created
gpg: keyring `/home/wen/.repoconfig/gnupg/pubring.gpg' created
gpg: /home/wen/.repoconfig/gnupg/trustdb.gpg: trustdb created
gpg: key 920F5C65: public key "Repo Maintainer <[email protected] >" imported
gpg: Total number processed: 1
gpg: imported: 1

Getting repo ...
from git://android.git.kernel.org/tools/repo.git

[email protected]:~/android/source$ ./repo sync

和远程服务器同步，过程比较长，全部代码下来好几Gb

打算编译一个vmware虚拟机上能运行的

目前google已经出e pc支持的版本了

切换到cupcake 分支，master分支不是太稳定

$ repo init -u git://android.git.kernel.org/platform/manifest.git -b
cupcake
$ repo sync

同步后，很多的更改会uncommit

建立一个local_manifest.xml
$ vi ./.repo/local_manifest.xml
<manifest>
<project name="platform/vendor/asus/eee_701" path="vendor/asus/
eee_701"/>
</manifest>

$ repo sync
... A new repo command ( 1.8) is available.
... You should upgrade soon:

cp /home/invain/bin_x86/mydroid/.repo/repo/repo /home/invain/bin/
repo

Initializing project platform/vendor/asus/eee_701 ...
remote: Counting objects: 33, done.
remote: Compressing objects: 100% (31/31), done.
remote: Total 33 (delta 2), reused 33 (delta 2)
Unpacking objects: 100% (33/33), done.
From git://android.git.kernel.org/platform/vendor/asus/eee_701
* [new branch] cupcake -> korg/cupcake
* [new branch] master -> korg/master

至此代码下载完毕，编译环境得准备一下需要下面这些库

Ubuntu Linux (32-bit x86)

To set up your Linux development environment, make sure you have the following:

Required Packages:
- Git 1.5.4 or newerand the GNU Privacy Guard.

- JDK 5.0, update 12 or higher. Java 6 is not supported, because of incompatibilities with @Override.

- flex, bison, gperf, libsdl-dev, libesd0-dev, libwxgtk2.6-dev (optional), build-essential, zip, curl.

$ sudo apt-get install git-core gnupg sun-java5-jdk flex bison gperf libsdl-dev libesd0-dev libwxgtk2.6-dev build-essential zip curl li b ncurses5-dev zlib1g-dev

You might also want Valgrind, a tool that will help you find memory leaks, stack corruption, array bounds overflows, etc.

$ sudo apt-get install valgrind

Intrepid ( 8.10) users may need a newer version of libreadline:

$ sudo apt-get install lib32readline5-dev 更多得到源代码的详细步骤看这里： http://source.android.com/download 先编译内核：切到 mydroid/kernel 目錄下，複製 mydroid/vendor/asus/eee_701/kernel.config 為 mydroid/kernel/.config，接著執行 make menuconfig，進入 kernel configuration 選單以後，把這幾個 driver 選為 built-in：
Device drivers / Network device support / Ethernet (10 or 100Mbit) / EISA, VLB, PCI and on board controllers / AMD PCnet32 PCI support
Device drivers / Graphics support / Support for frame buffer devices / VESA VGA graphics support
Device drivers / Graphics support / Console display driver support / Framebuffer Console support
Device drivers / Graphics support / Console display driver support / Select Compiled-in fonts (VGA 8x8 font, VGA 8x16 font)
，再把這些取消：
Device drivers / Real Time Clock / Android alarm driver
Device drivers / Misc devices / Android pmem allocator
，然後重新建置 kernel：make bzImage。
編譯好之後，把 arch/x86/boot/bzImage 複製為 mydroid/vendor/asus/eee_701/kernel。接下来就可以编译了： TARGET_ARCH=x86 TARGET_PRODUCT=eee_701 DISABLE_DEXPREOPT= true make -j2 installer_img CC=gcc CXX=g++ 出现错误 No rule to make target `vendor/google/frameworks/maps/com.google.android.maps.xml' 把eee_701.mk中的 'generic_with_google.mk'改为 'generic.mk' 编译遇到新错误 其他用户编译会提示没有找到e2fschk 这里不能简单的把文件从sbin目录复制到bin目录 否则会和root用户编译一样 出现下面的错误

Copy: out/target/product/eee_701/installer/root/system/bin/netcfg
 Copying installer base files...
 Copy: out/target/product/eee_701/obj/lib/libdiskconfig.so -> out/
 target/product/eee_701/installer/root/system/lib/libdiskconfig.so
 Copy: ->
 dirname: missing operand
 Try `dirname --help' for more information.
 mkdir: missing operand
 Try `mkdir --help' for more information.
 cp: missing file operand
 Try `cp --help' for more information.
 Copy: ->
 dirname: missing operand
 Try `dirname --help' for more information.
 mkdir: missing operand
 Try `mkdir --help' for more information.
 cp: missing file operand
 Try `cp --help' for more information.
 Copy: ->
 dirname: missing operand
 Try `dirname --help' for more information.
 mkdir: missing operand
 Try `mkdir --help' for more information.
 cp: missing file operand
 Try `cp --help' for more information.
 Copy: ->
 dirname: missing operand
 Try `dirname --help' for more information.
 mkdir: missing operand
 Try `mkdir --help' for more information.
 cp: missing file operand
 Try `cp --help' for more information.
 Copy: ->
 dirname: missing operand
 Try `dirname --help' for more information.
 mkdir: missing operand
 Try `mkdir --help' for more information.
 cp: missing file operand
 Try `cp --help' for more information.
 Copy: ->
 dirname: missing operand
 Try `dirname --help' for more information.
 mkdir: missing operand
 Try `mkdir --help' for more information.
 cp: missing file operand
 Try `cp --help' for more information.
 Copy: ->
 dirname: missing operand
 Try `dirname --help' for more information.
 mkdir: missing operand
 Try `mkdir --help' for more information.
 cp: missing file operand
 Try `cp --help' for more information.
 Copy: ->
 dirname: missing operand
 Try `dirname --help' for more information.
 mkdir: missing operand
 Try `mkdir --help' for more information.
 cp: missing file operand

android目录下的external/e2fsprogs 就是这些工具，没有编译而已 打下面的patch http://code.google.com/p/patch-hosting-for-android-x86-support/downloads/list

project external/e2fsprogs/
 diff --git a/Android.mk b/Android.mk
 index e71cf08..3d39a41 100644
 --- a/Android.mk
 +++ b/Android.mk
 @@ -1,3 +1,3 @@
 -ifneq ($(TARGET_SIMULATOR),true)
 -# include $(call all-subdir-makefiles)
 +ifeq ($(TARGET_ARCH),x86)
 +include $(call all-subdir-makefiles)
 endif

这样e2fsprogs下面的工具就编译好了，可以在out/target/

Ubuntu Linux (32-bit x86)

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