How To Build Your Own Complete Stock AOSP ROM

This guide will teach you how to build your own complete stock AOSP ROM. Before we begin, I want to say that, this is information derived from various sources, the most predominant being start [CVPCS Android Wiki] and Get Android Source Code Android Open Source. The only thing i contributed to this guide was that i condensed it a bit and customized it specifically for the incredible, although the only thing that differs from the incredible to other devices it the vendor setup.

WARNING: This is NOT FOR NOOBS. If you haven`t had much experience with working with the Android System, you should not even think about using this guide.

This is a guide for building AOSP on Ubuntu Lucid Lynx (10.04). If you have Mac, I cant help you much. If you have Windows, I strongly recommend that if you haven't already done so, download Ubuntu onto a CDROM and run wubi.exe to trial Ubuntu.

THERE WILL NEVER BE A GUIDE FOR BUILDING ON WINDOWS!!
Ok, so now that all that stuff is over, heres your guide:

First, we want to install java5. Java6, the newest java is NOT supported due to @Override incompatibilities
 

Code: sudo apt-get install git-core gnupg sun-java5-jdk flex bison gperf libsdl-dev libesd0-dev libwxgtk2.6-dev build-essential zip curl libncurses5-dev zlib1g-dev

You might also want Valgrind, a tool that will help you find memory leaks, stack corruption, array bounds overflows, etc.
Code: sudo apt-get install valgrind

Set the system to use the right version of java by default:

Code: sudo update-java-alternatives -s java-1.5.0-sun
Now to install the repo

Code: cd ~/

mkdir bin

echo $PATH

Download the postscript and make sure it is executable:

Code: curl http://android.git.kernel.org/repo >~/bin/repo chmod

a+x ~/bin/repo

Create an empty directory to hold your working files:

Code: mkdir mydroid
cd mydroid

Run "repo init" to bring down the latest version of Repo with all its most recent bug fixes. You must specify a URL for the manifest:

Code: repo init -u git://android.git.kernel.org/platform/manifest.git -b gingerbread
 

When prompted, configure Repo with your real name and email address. If you plan to submit code, use an email address that is associated with a Google account .
A successful initialization will end with a message such as repo initialized in /mydroid

Now to download all the files you need.

To pull down files to your working directory from the repositories as specified in the default manifest, run

Code: repo sync

NOTE: The repo sync does tend to take a little long, after all it is 2.1 gigs of files

Now to verify the git tags. Doing this wont affect the build, but it doesn`t hurt.
 

In your command prompt, type:
Code: gpg --import

and paste these LONG key below into the empty space:

Code:

-----BEGIN PGP PUBLIC KEY BLOCK-----


Version: GnuPG v1.4.2.2 (GNU/Linux)


mQGiBEnnWD4RBACt9/h4v9xnnGDou13y3dvOx6/t43LPPIxeJ8eX9WB+8LLuROSV

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pK+KMs/s3r6nJrnYLTfdZhtmQXimpoDMJg1zxmL8UfNUKiQZ6esoAWtDg pqt7Y7s


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hN0DlsIw8hqJc0WISQQYEQIACQUCSedYRAIbDAAKCRDorT+Bmr EOeCUOAJ9qmR0l


EXzeoxcdoafxqf6gZlJZlACgkWF7wi2YLW3Oa+jv2QSTlrx4KL M=


=Wi5D


-----END PGP PUBLIC KEY BLOCK-----

And press ctrl d to exit the gpg mode and verify the git tags.

Now to setup the vendor overlay:

Code:

cd ~/mydroid/system/device


cd htc


mkdir inc


cd inc

git clone http://github.com/Cyanogenmod/androi...ingerbread.git inc

Code: cd ~/android/system/device/htc/inc

./extract-files.sh

NOTE: ADB Must be in your path. You also have to edit the extractfiles.sh so that it reads ./adb pull and not adb pull (add nix boxes)

Now to build the build:
 

Code: cd ~/mydroid/system

. build/envsetup.sh

lunch generic_inc-userdebug

make -j`grep 'processor' /proc/cpuinfo | wc -l` otapackage
 

Troubleshooting:
 

Ok, lets say you get an error. most likely its librpc. What you have to do is

Code: make clean

make librpc 

Also, you may have to edit some files, add in some proprietaries, so watch those errors carefully! (also, you may get an error about recovery not being made...all you have to do is replace the word "mahimahi" in the file to "inc")

If the build fails because of java, enter this:
Code: export ANDROID_JAVA_HOME=$JAVA_HOME
export $PATH

Adding SU:
This is a bit of a workaround for now, but this is how i did it: 

1. Drag and drop superuser.apk from an existing ROM and prop it into system/app of your AOSP ROM
2. DRag and drop the su binary from an existing ROM and drop it into your AOSP ROM (in system/bin)

Disabling Recovery:
go to the root of the ROM (in the part where it says "system, Boot.img, META-Inf, recovery-prerec") and delete meta-inf, recovery-prerec. Add in the Meta-INF from HERE, and boom, an AOSP ROM with root is born!