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Imp_for_first_time_builders.md

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If you started building TWRP/ROM then these instructions are for you.

After repo initialization and before repo sync you have to add a file for syncing device tree and kernel source (for TWRP). In case of ROM you have to add vendor tree also.

A. Instructions (after repo init):

  1. cd <source_dir> Here source directory means location of TWRP/ROM source code

  2. cd .repo/

  3. mkdir local_manifests;

  4. cd local_manifests;

  5. nano roomservice.xml

Now a file has been created and you have include various trees for building.

roomservice.xml will be like this.

<?xml version="1.0" encoding="UTF-8"?>
<manifest>

<project name="buddi56/android_device_realme_RMX1831" path="device/realme/RMX1831" remote="github" revision="master" />
###<project name="buddi56/android_device_realme_RMX1831" path="kernel/realme/RMX1831" remote="github" revision="master" />###

</manifest>

Kernel source is available but it has lot of issues, so used prebuilt kernel.

Note: Using prebuilt kernels in building is deprecated.

Now perform

repo sync -j(nproc --all) -c

All the sources along with your TWRP device tree and kernel (if available) will be downloaded.

B. Instructions (After repo sync):

After repo sync you have to tell buildbot to include your device for building TWRP. So for this you can either make a vendorsetup.sh file in your device tree or can edit an available file in TWRP source.

To edit vendorsetup.sh file in the downloaded source. Head to the below location.

  1. cd <source_dir>/vendor/omni/

  2. nano vendorsetup.sh

Now add below line at the end.

add_lunch_combo omni_RMX1831-eng
  1. Save file and exit.

You can also choose user or userdbug. But eng build is best for a custom recovery.

Now start the compilation (Build) using the command given in README.md