[GUIDE] HOWTO: Build your own AOSP ROM


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  1. jdkoreclipse

    jdkoreclipse Well-Known Member This Topic's Starter

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    First off, i want to say that this is information taken 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 inc.

    WARNING: This is NOT FOR NOOBS. If you havent 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 reccommend that if you havent 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 thereposcript 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 froyo

    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 doesnt hurt.

    In your command prompt, type:

    Code: gpg --import

    and paste this LONG key 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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    EXzeoxcdoafxqf6gZlJZlACgkWF7wi2YLW3Oa+jv2QSTlrx4KLM=
    =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/koush/android_device_htc_inc.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

    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 whatch those errors carefully!


    If the build fails because of java, enter this:

    Code: export ANDROID_JAVA_HOME=$JAVA_HOME
    export $PATH

    You should have a nice AOSP build if all goes well!

    Note from Staff: Attempt this at your own risk.
     

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    Ufkal and Jedii like this.
  2. Jedii

    Jedii Well-Known Member

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    Good stuff. Only thing i wish, someone would create a guide like this for Mac. Or just a starter for Mac. Im assuming if i dual boot into Ubuntu from my Mac, it shouldn't be much different.
     
  3. jdkoreclipse

    jdkoreclipse Well-Known Member This Topic's Starter

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    Dual boot is fine, or if you want, go to the first link I posted, follow the Mac setup guide, then use the rest of my guide.
     
  4. Jedii

    Jedii Well-Known Member

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    Cool cool.

    Appreciate the post.
     
  5. jdkoreclipse

    jdkoreclipse Well-Known Member This Topic's Starter

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    Scratch that...it's the second link.
     
  6. Jedii

    Jedii Well-Known Member

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    Its cool. I have several links with guides to them on using a Mac.

    Not too difficult,some have even said its easier. Not sure how or why, but anyways.

    I'll take some of the tidbits from your guide as well as many others and get to work. I will not be doing anything for the Inc, but its good reading nevertheless :)
     

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