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Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]39 <title>Build Guide - Team Bliss</title>
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Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]104 Build Guide
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Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]299 Build Guide
Eric Parkc9931992019-07-29 13:10:53 +0900[diff] [blame]300 </label>
301
Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]302 <a href="./" title="Build Guide" class="md-nav__link md-nav__link--active">
303 Build Guide
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305
306
307<nav class="md-nav md-nav--secondary">
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313 <label class="md-nav__title" for="__toc">Table of contents</label>
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315
316 <li class="md-nav__item">
317 <a href="#updated-for-pie-p90" title="Updated for Pie (p9.0)" class="md-nav__link">
318 Updated for Pie (p9.0)
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322 <ul class="md-nav__list">
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324 <li class="md-nav__item">
325 <a href="#introduction" title="Introduction" class="md-nav__link">
326 Introduction
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328
329</li>
330
331 <li class="md-nav__item">
332 <a href="#preparation" title="Preparation" class="md-nav__link">
333 Preparation
334 </a>
335
336</li>
337
338 <li class="md-nav__item">
339 <a href="#install-the-jdk" title="Install the JDK" class="md-nav__link">
340 Install the JDK
341 </a>
342
343</li>
344
345 <li class="md-nav__item">
346 <a href="#install-build-tools" title="Install build tools" class="md-nav__link">
347 Install build tools
348 </a>
349
350</li>
351
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354 Install source code tools
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362 What is source?
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368 <a href="#what-if-i-need-repo-globally" title="What if I need repo globally?" class="md-nav__link">
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381 Download
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388 Build
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Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]395 <a href="#my-device-isnt-booting-and-userdebug-wont-print-any-adb-logcats-what-gives" title="My device isn't booting, and userdebug won't print any adb logcats. What gives?" class="md-nav__link">
396 My device isn't booting, and userdebug won't print any adb logcats. What gives?
397 </a>
398
399</li>
400
401 <li class="md-nav__item">
402 <a href="#i-get-an-error-about-no-blissify-targets-to-build-against-whats-wrong" title="I get an error about no blissify targets to build against, what's wrong?" class="md-nav__link">
403 I get an error about no blissify targets to build against, what's wrong?
Eric Parkc9931992019-07-29 13:10:53 +0900[diff] [blame]404 </a>
405
406</li>
407
408 </ul>
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415 After building
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417
418</li>
419
420 <li class="md-nav__item">
421 <a href="#troubleshooting" title="Troubleshooting" class="md-nav__link">
422 Troubleshooting
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424
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428 <a href="#conclusion" title="Conclusion" class="md-nav__link">
429 Conclusion
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431
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436 Looking for the next tutorial?
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464 Build Tips
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523 <a href="../../common/using-dippy-bird/" title="Using `dippy-bird`" class="md-nav__link">
524 Using `dippy-bird`
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Eric Parkc9931992019-07-29 13:10:53 +0900[diff] [blame]529 </ul>
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589
590 <li class="md-nav__item">
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592 Updated for Pie (p9.0)
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598 <li class="md-nav__item">
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600 Introduction
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602
603</li>
604
605 <li class="md-nav__item">
606 <a href="#preparation" title="Preparation" class="md-nav__link">
607 Preparation
608 </a>
609
610</li>
611
612 <li class="md-nav__item">
613 <a href="#install-the-jdk" title="Install the JDK" class="md-nav__link">
614 Install the JDK
615 </a>
616
617</li>
618
619 <li class="md-nav__item">
620 <a href="#install-build-tools" title="Install build tools" class="md-nav__link">
621 Install build tools
622 </a>
623
624</li>
625
626 <li class="md-nav__item">
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628 Install source code tools
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636 What is source?
637 </a>
638
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640
641 <li class="md-nav__item">
642 <a href="#what-if-i-need-repo-globally" title="What if I need repo globally?" class="md-nav__link">
643 What if I need repo globally?
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655 Download
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662 Build
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Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]669 <a href="#my-device-isnt-booting-and-userdebug-wont-print-any-adb-logcats-what-gives" title="My device isn't booting, and userdebug won't print any adb logcats. What gives?" class="md-nav__link">
670 My device isn't booting, and userdebug won't print any adb logcats. What gives?
671 </a>
672
673</li>
674
675 <li class="md-nav__item">
676 <a href="#i-get-an-error-about-no-blissify-targets-to-build-against-whats-wrong" title="I get an error about no blissify targets to build against, what's wrong?" class="md-nav__link">
677 I get an error about no blissify targets to build against, what's wrong?
Eric Parkc9931992019-07-29 13:10:53 +0900[diff] [blame]678 </a>
679
680</li>
681
682 </ul>
683 </nav>
684
685</li>
686
687 <li class="md-nav__item">
688 <a href="#after-building" title="After building" class="md-nav__link">
689 After building
690 </a>
691
692</li>
693
694 <li class="md-nav__item">
695 <a href="#troubleshooting" title="Troubleshooting" class="md-nav__link">
696 Troubleshooting
697 </a>
698
699</li>
700
701 <li class="md-nav__item">
702 <a href="#conclusion" title="Conclusion" class="md-nav__link">
703 Conclusion
704 </a>
705
706</li>
707
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709 <a href="#looking-for-the-next-tutorial" title="Looking for the next tutorial?" class="md-nav__link">
710 Looking for the next tutorial?
711 </a>
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714
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719
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722
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726</nav>
727 </div>
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729 </div>
730
731
732 <div class="md-content">
733 <article class="md-content__inner md-typeset">
734
735
736
Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]737 <h1 id="build-guide">Build Guide</h1>
Eric Parkc9931992019-07-29 13:10:53 +0900[diff] [blame]738<h2 id="updated-for-pie-p90">Updated for Pie (p9.0)</h2>
739<h3 id="introduction">Introduction</h3>
740<p>This is the official guide to build BlissRoms for your device. In this guide, we will only cover official devices with actual maintainers. We will not delve into porting devices.</p>
741<p>The golden rule to building is patience. If something breaks, wait for your maintainer to fix it, send a polite message to your maintainer, or better yet, try and fix it yourself. Then you can make a merge request and contribute!</p>
742<p>Let’s get started.</p>
743<h3 id="preparation">Preparation</h3>
Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]744<p>To get started, you need a computer with Ubuntu 18.04 (LTS), at least 200GB space of HDD, and at least 8GB RAM. A decent CPU (or CPUs if you have a server motherboard) is recommended. Other distros can work but is not officially supported in this guide.</p>
745<p>Underpowered machines may crash during compilation. If that happens, you may try and restart the build as most crashes are caused by lack of memory. If your storage space has run out, then you will need to build on a different hard drive.</p>
Eric Parkc9931992019-07-29 13:10:53 +0900[diff] [blame]746<h3 id="install-the-jdk">Install the JDK</h3>
747<p>Install OpenJDK:</p>
748<pre><code>sudo apt install openjdk-8-jdk
749</code></pre>
750<h3 id="install-build-tools">Install build tools</h3>
Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]751<p>To install the required build tools, run the following command:</p>
752<pre><code>sudo apt install git gnupg flex bison gperf build-essential zip curl zlib1g-dev gcc-multilib g++-multilib libc6-dev-i386 lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z-dev lib32z1-dev ccache libgl1-mesa-dev libxml2 libxml2-utils xsltproc unzip squashfs-tools python python-mako libssl-dev ninja-build lunzip syslinux syslinux-utils gettext genisoimage bc xorriso liblz4-tool libncurses5-dev libsdl1.2-dev libwxgtk3.0-dev lzop maven pngcrush schedtool lib32readline-dev
Eric Parkc9931992019-07-29 13:10:53 +0900[diff] [blame]753</code></pre>
754<h3 id="install-source-code-tools">Install source code tools</h3>
Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]755<p>Now we need to get the source code via a program named <code>repo</code>, made by Google. The primary function of <code>repo</code> is to read a manifest file located in BlissRoms's GitHub organization, and find what repositories you need to actually build Android.</p>
756<p>Create a <code>~/bin</code> directory for <code>repo</code>:</p>
Eric Parkc9931992019-07-29 13:10:53 +0900[diff] [blame]757<pre><code>mkdir -p ~/bin
758</code></pre>
759<p>The <code>-p</code> flag instructs <code>mkdir</code> to <em>only</em> create the directory if it does not exist in the first place. Now download the <code>repo</code> tool into <code>~/bin</code>:</p>
760<pre><code>curl https://storage.googleapis.com/git-repo-downloads/repo &gt; ~/bin/repo
761</code></pre>
762<p>Make <code>repo</code> executable:</p>
763<pre><code>chmod a+x ~/bin/repo
764</code></pre>
765<p>And add it to PATH:</p>
766<pre><code>nano .bashrc
767</code></pre>
768<p>Scroll to the end of the file and type these lines:</p>
769<pre><code># Export ~/bin
770export PATH=~/bin:$PATH
771</code></pre>
772<p>Ctrl-O and enter to save, then Ctrl-X to exit nano. Now either logout and login again (or reboot), or <code>source</code> the file:</p>
773<pre><code>source .bashrc
774</code></pre>
775<p>Which can be shortened to:</p>
776<pre><code>. .bashrc
777</code></pre>
778<h4 id="what-is-source">What is <code>source</code>?</h4>
779<p><code>source</code> is a <code>bash</code> command to read aliases, functions, and commands from the specified file. Typically, you'll supply <code>bash</code> with a configuration file such as <code>.bashrc</code> or <code>.bash_profile</code>, or an initialization file such as <code>envsetup.sh</code>. The difference is that while the configuration file lists configuration and user-defined aliases and functions, initialization files typically hold build commands such as <code>breakfast</code>, <code>brunch</code>, and <code>lunch</code>. Without those commands building would be significantly harder as you would have to memorize the long command to invoke a build manually!</p>
780<p>But why do you need to run it after modifying a file? Well, <code>bash</code> cannot automatically detect changes in our files. To solve this, we either <code>source</code> it or log out and log back in, forcing <code>bash</code> to reload configuration files. Keep this in mind, because unlike configuration files, if you forget to <code>source</code> initialization files, build commands will not function!</p>
781<h4 id="what-if-i-need-repo-globally">What if I need <code>repo</code> globally?</h4>
782<p>If you need the <code>repo</code> tool to be available anywhere, you will need to first download <code>repo</code> to your home directory, move it with <code>sudo</code> and give it executable permissions. The exact commands are as follows:</p>
783<pre><code>curl https://storage.googleapis.com/git-repo-downloads/repo &gt; ~/repo
784sudo mv ~/repo /usr/bin/
785chmod a+x /usr/bin/repo
786</code></pre>
787<p><code>repo</code> will now work anywhere, without any <code>.bashrc</code> modifications. However, these steps aren’t recommended as <code>repo</code> might become a security risk if a vulnerability is found.</p>
788<p>Now we’re ready to download the source code.</p>
789<h3 id="download">Download</h3>
790<p>Create a directory for the source:</p>
791<pre><code>mkdir -p ~/bliss/p9.0
792cd ~/bliss/p9.0
793</code></pre>
794<p>Before we download, we need to tell <code>repo</code> and <code>git</code> who we are. Run the following commands, substituting your information:</p>
795<pre><code>git config --global user.email “randy.mcrandyface@hotmail.net”
796git config --global user.name “Randy McRandyface”
797</code></pre>
798<p>Now, we’re ready to initialize. We need to tell <code>repo</code> which manifest to read:</p>
799<pre><code>repo init -u https://github.com/BlissRoms/platform_manifest.git -b p9.0
800</code></pre>
801<p><code>-b</code> is for the branch, and we’re on <code>p9.0</code>, Android Pie. It’ll take a couple of seconds. You may need to type <code>y</code> for the color prompt.</p>
802<p>Then sync the source:</p>
803<pre><code>repo sync -j24 -c
804</code></pre>
805<p><code>-j</code> is for threads. Typically, your CPU core count is your thread count, unless you’re using an older Intel CPU with hyperthreading. In that case, the thread count is double the count of your CPU cores. Newer CPUs have dropped hyperthreading unless you have the i9, so check how many threads you have. If you have four threads, you would run:</p>
806<pre><code>repo sync -j4 -c
807</code></pre>
808<p><code>-c</code> is for pulling in only the current branch, instead of the entire history. This is useful if you need the downloads fast and don’t want the entire history to be downloaded. This is used by default unless specified otherwise.</p>
809<p><code>repo</code> will start downloading all the code. That’s going to be slow, even on a fiber network. Expect downloads to take more than a couple hours.</p>
810<h3 id="build">Build</h3>
811<p>Set up the build environment:</p>
812<pre><code>. build/envsetup.sh
813</code></pre>
814<p>This is the initialization file we talked about earlier up top. This "initializes" the environment, and imports a bunch of useful build commands required to build your device. Again, you need to remember to <code>source</code> this file every time you log out and log back in, or launch a new <code>bash</code>/Terminal instance.</p>
815<p>Define what device you’re going to build. For example, the Nexus 5X, has a codename of <code>bullhead</code>. You can check your specific device's codename on GitHub or on Google. Execute:</p>
816<pre><code>breakfast bullhead
817</code></pre>
818<p>What does this do? <code>breakfast</code> searches repositories for your device "tree", which contains all the details needed to make the build suitable for your device. CPU, kernel info, device screen size, whether the board has Bluetooth, NFC, what frequencies the build needs for Wi-Fi, and a bunch of other things. <code>breakfast</code> will automatically search in the <code>BlissRoms-Devices</code> GitHub repository, and grab your device tree for you.</p>
819<p>Okay, so we have the device tree set up. Feel free to browse around the source code to see what changed. You should see folders added to <code>device/</code>, <code>kernel/</code> and <code>vendor/</code>. A shortcut:</p>
820<pre><code>croot
821</code></pre>
822<p>will dump you back in the root of the source code tree. So if you’ve been going through folders and don’t have any idea where you are, you can use the above command. This command, however, requires you to have <code>source</code>d <code>build/envsetup.sh</code> earlier.</p>
Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]823<p>We're ready to build, but before we teach you the easy command to execute a build, we will first try the manual method. To set up the current terminal environment for building your particular device, execute:</p>
824<pre><code>lunch bliss_bullhead-userdebug
Eric Parkc9931992019-07-29 13:10:53 +0900[diff] [blame]825</code></pre>
Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]826<p>Let's break down the command. <code>lunch</code> initializes the proper environmental variables required for the build tools to build your specific device. Things like <code>BLISS_DEVICE</code> and other variables are set in this stage, and the changed variables will be shown as output. <code>bliss_</code> is the ROM that we are building. As convention, all devices will have this prefix. <code>bullhead</code> is the specific device we are building - in this case, the Nexus 5X. Finally, <code>userdebug</code> means that we will build a user-debuggable variant. This is usually what most ROMs use for publishing their builds. Manufacturers typically use <code>user</code> which disables most of the useful Android Logcats.</p>
827<h4 id="my-device-isnt-booting-and-userdebug-wont-print-any-adb-logcats-what-gives">My device isn't booting, and <code>userdebug</code> won't print any <code>adb logcat</code>s. What gives?</h4>
828<p>There is a third build variant called <code>eng</code>, short for engineering builds. These builds will activate <code>adb logcat</code> during boot, and will show you exactly what is going wrong, where, and why. However, these builds are <strong>NOT</strong> recommended for normal usage as they are not securely hardened, have log spam that will slow down your device, and other unexpected problems like userspace utilities crashing during runtime. If you want to submit your device for mainline, do <strong>NOT</strong> submit an <code>eng</code> build!</p>
829<p>All set? Let's start the building process. Run:</p>
830<p><code>make blissify</code></p>
831<p>And the build should start. The build process will take a long time. Prepare to wait a few hours, even on a decent machine.</p>
832<h4 id="i-get-an-error-about-no-blissify-targets-to-build-against-whats-wrong">I get an error about no <code>blissify</code> targets to build against, what's wrong?</h4>
833<p>If you are building other ROMs, it is usually <code>make bacon</code>. For BlissRoms, we chose the build target of <code>blissify</code>. If that doesn't work, sometimes there is a bug, or the ROM developers do not implement a <code>bacon</code> target to build against. In this case, you will need to find what name they use to initialize a full build of the ROM. Conventionally, it is supposed to be <code>bacon</code>, but some ROM developers change this name inadvertently, or actually have a bug that causes the build target to never be found. If you cannot locate the build target, ask the developers of the ROM. Alternatively, you can try poking around in <code>build/make/core/Makefile</code> to see what the build target name is. But this is out of the scope of this article as you're not supposed to be building other ROMs (that's not what this tutorial is for, sorry!)</p>
834<p>All right, but that's annoying. You had to type <strong>three</strong> commands to build it all. What about running one command?</p>
835<pre><code>blissify bullhead
836</code></pre>
837<p>But what is <code>blissify</code>? It is a compact form of these commands:</p>
Eric Parkc9931992019-07-29 13:10:53 +0900[diff] [blame]838<pre><code>breakfast bullhead
Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]839lunch bliss_bullhead-userdebug
840make blissify
Eric Parkc9931992019-07-29 13:10:53 +0900[diff] [blame]841</code></pre>
Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]842<p>Sounds great, right? Once you have run the command, jump over to the next section.</p>
Eric Parkc9931992019-07-29 13:10:53 +0900[diff] [blame]843<h3 id="after-building">After building</h3>
844<p>There are two outcomes to a build - either it fails and you get a red error message from <code>make</code>, or it succeeds and you see the Bliss logo in ASCII. If you encounter the former, you need to go back and fix whatever it's complaining about. Typically, 90% of the time the problem will be in your device tree. For the other 10%, submit a bug report to the ROM developers. Be sure to include the full log of your build to help diagnose the problem, and your device tree.</p>
845<p>If you face the latter, congratulations! You've successfully built BlissRoms for your device. Grab the artifacts for your device:</p>
846<pre><code>cd out/target/product/bullhead/
847</code></pre>
Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]848<p>In here, you’ll find a <code>.zip</code> that goes along the lines of <code>Bliss-v11.9-Stable-bullhead-UNOFFICIAL-20190531.zip</code>. Install TWRP, flash the build to your device, and enjoy!</p>
Eric Parkc9931992019-07-29 13:10:53 +0900[diff] [blame]849<h3 id="troubleshooting">Troubleshooting</h3>
850<p>If your build failed, there are a couple things you can try.</p>
851<ul>
852<li>Try a fresh <code>repo sync</code> to make your repository up to date. Sometimes, the Internet connection between you and GitHub can be flaky. In rare cases a commit merge might be ongoing, and you might've grabbed an incomplete merge. Mostly, this should fix the issue 70% of the time.</li>
853<li>Make sure your dependencies are installed correctly. Error messages help out a lot here! Often it will say <code>shared/linked library not found</code> or something along those lines.</li>
854<li>Make sure you sourced <code>build/envsetup.sh</code>. This is especially common and worth suspecting if none of the build commands like <code>breakfast</code> and <code>lunch</code> work. If you have <code>repo sync</code>ed do this again.</li>
855<li>Make sure you’re at the root of the build tree. Again, to quickly jump there, use <code>croot</code>.</li>
856<li>Make sure you ran <code>breakfast</code> correctly and it did not error out. Missing device files will prevent successful builds.</li>
Eric Park608ce5a2019-08-07 21:27:46 +0800[diff] [blame^]857<li>Make sure your computer itself isn’t faulty. HDDs usually die first, followed by RAM. SSDs rarely die but failure is not unheard of. In extremely rare cases, your CPU may have a defect. If you're unsure, run a stress test using a program like Prime95.</li>
Eric Parkc9931992019-07-29 13:10:53 +0900[diff] [blame]858</ul>
859<p>If something goes wrong and you've tried everything above, first use Google to look up your error! Most of the errors you encounter is due to misconfiguration and wrong commands entered. More often than not, Google will have the answer you are looking for. If you're still stuck and nothing fixes the problem, then ask us via our Telegram Build Support chat.</p>
860<h3 id="conclusion">Conclusion</h3>
861<p>Building a ROM is very hard and tedious and the results are very rewarding! If you managed to follow along, congratulations!</p>
862<p>After you finish building, you can try out the Git Started guide. Make changes, commit, and send them off to our Gerrit for review! Or better yet, download experimental commits not ready for the mainline repositories and review them! Again, ROM building is a fun project you can work with. I hope this guide was a lot of fun to run through!</p>
863<p>-- Eric Park (ideaman924)</p>
864<h3 id="looking-for-the-next-tutorial">Looking for the next tutorial?</h3>
865<p>Check out <a href="../build-tips/">some tips to optimize your build experience.</a></p>
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