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Denis 'GNUtoo' Carikli, 10/20/2019 06:07 PM

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h1. Build Replicant 6.0
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This page explains how to build Replicant 6.0 for supported devices.
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h2. Prerequisites
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Before building, you must make sure that:
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* You have installed the build dependencies: [[BuildDependenciesInstallation]]
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* You have downloaded Replicant 6.0 sources: [[ReplicantSourceCode]]
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* Your sources are up to date: [[ReplicantSourceCode#DownloadingUpdating-the-source-code|Downloading/Updating the source from the repos]]
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* Your terminal is running in the directory where the sources were downloaded
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h2. Warning
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*Do not build as root, always build as user.*
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See the [[BuildTips|build tips]] if you are facing issues.
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h2. Before building
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* On Debian stretch, building the toolchain will fail. See [[Replicant60BuildTips#usrbinsed-usrbinmkdir-usrbinmkdir-No-such-file-or-directory]] for how to workaround that and make the build succeed.
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h2. Building
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All of the following build commands need to be run in the source tree root folder.
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First, the toolchain needs to be built for replicant 6:
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<pre>
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./vendor/replicant/build-toolchain
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</pre>
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*If you have executed any of the commands below and you want to run the toolchain build again, you will need to open a new shell.*
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Then, prepare the shell environment for the Replicant build:
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<pre>
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. build/envsetup.sh
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</pre>
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You will then need select the device you want to build for.
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To do that, you can use the following table to find the command you need to type to select the device you want to build for:
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|_. Command |_. Device(s) |
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| lunch replicant_i9100-userdebug |  Galaxy S 2 (I9100) |
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| lunch replicant_i9300-userdebug | Galaxy S 3 (I9300) |
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| lunch replicant_i9305-userdebug | Galaxy S 3 4G (I9305) |
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| lunch replicant_n7000-userdebug | Galaxy Note (N7000) |
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| lunch replicant_n7100-userdebug | Galaxy Note 2 (N7100) |
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| lunch replicant_maguro-userdebug | Galaxy Nexus (I9250) |
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|/2. lunch replicant_espresso3g-userdebug | Galaxy Tab 2 7.0 (P3100) | 
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| Galaxy Tab 2 10.1 (P5100) |
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|/2. lunch replicant_espressowifi-userdebug | Galaxy Tab 2 7.0 Wi-Fi (P3110) | 
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| Galaxy Tab 2 10.1 Wi-Fi (P5110) |
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| lunch replicant_n5100-userdebug | Galaxy Note 8.0 (N5100) |
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| lunch replicant_n5110-userdebug | Galaxy Note 8.0 Wi-Fi (N5110) |
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For instance to build for the Galaxy S3 (I9300) you need to type the following command:
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<pre>
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lunch replicant_i9300-userdebug
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</pre>
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When this is done you can start the build:
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<pre>
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parallel_tasks=$(echo "$(grep 'processor' /proc/cpuinfo | wc -l ) + 1" | bc)
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make -j$parallel_tasks bacon
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</pre>
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The @-jn@ argument indicates the number of parallel tasks during the build. You can remove it from the command line to have only one task at a time.
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@$parallel_tasks@ holds an optimized number of parallel tasks for your hardware. You may want to reduce this number if e.g. the computer runs out of RAM during the build.
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Finally, you will need to sign the resulting images for replicant 6.
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To do that, you can use the following table to find the command you need to type sign the images for the device you are building for:
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|_. Command |_. Device(s) |
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| ./vendor/replicant/sign-build i9100 |  Galaxy S 2 (I9100) |
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| ./vendor/replicant/sign-build i9300 | Galaxy S 3 (I9300) |
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| ./vendor/replicant/sign-build i9305 | Galaxy S 3 4G (I9305) |
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| ./vendor/replicant/sign-build n7000 | Galaxy Note (N7000) |
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| ./vendor/replicant/sign-build n7100 | Galaxy Note 2 (N7100) |
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| ./vendor/replicant/sign-build maguro | Galaxy Nexus (I9250) |
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|/2. ./vendor/replicant/sign-build espresso3g | Galaxy Tab 2 7.0 (P3100) | 
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| Galaxy Tab 2 10.1 (P5100) |
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|/2. ./vendor/replicant/sign-build espressowifi | Galaxy Tab 2 7.0 Wi-Fi (P3110) | 
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| Galaxy Tab 2 10.1 Wi-Fi (P5110) |
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| ./vendor/replicant/sign-build n5100 | Galaxy Note 8.0 (N5100) |
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| ./vendor/replicant/sign-build n5110 | Galaxy Note 8.0 Wi-Fi (N5110) |
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For instance for the Galaxy S 3 (I9300) you need to type the following command:
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<pre>
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./vendor/replicant/sign-build i9300
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</pre>
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The first time you run the script, it will ask you a few questions that are needed to generate the necessary signing keys.
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h2. Output files
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For the built host tools, the produced files are at: @out/host/linux-x86/bin/@
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For the built target images, you can use the following table to find the directory that has the produced files:
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|_. Output directory |_. Device(s) |
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| out/dist/i9100/ |  Galaxy S 2 (I9100) |
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| out/dist/i9300/ | Galaxy S 3 (I9300) |
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| out/dist/i9305/ | Galaxy S 3 4G (I9305) |
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| out/dist/n7000/ | Galaxy Note (N7000) |
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| out/dist/n7100/ | Galaxy Note 2 (N7100) |
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| out/dist/maguro/ | Galaxy Nexus (I9250) |
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|/2. out/dist/espresso3g/ | Galaxy Tab 2 7.0 (P3100) | 
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| Galaxy Tab 2 10.1 (P5100) |
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|/2. out/dist/espressowifi/ | Galaxy Tab 2 7.0 Wi-Fi (P3110) | 
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| Galaxy Tab 2 10.1 Wi-Fi (P5110) |
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| out/dist/n5100/ | Galaxy Note 8.0 (N5100) |
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| out/dist/n5110/ | Galaxy Note 8.0 Wi-Fi (N5110) |
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For instance, for the Galaxy S 3 (I9300), the built target images are in @out/dist/i9300/@