The source tree is finally local, so this is where we ask it to prove itself. We source the build environment, use the correct modern lunch target, run the first real LineageOS build with mka, inspect the generated emulator images, and boot them for the first time.
April 19, 2026
8 min read
Building ArjunaOS #5: Your First Build
ArjunaOS
LineageOS
AOSP
Android Build
lunch
Emulator
PPrasad Manoj Parulkar
Prasad Manoj Parulkar
AOSP Engineer
Part 5 of 5
Building ArjunaOS: Create Your Own Custom Android OS
Learn to build your own custom Android OS from scratch. This series walks you through creating ArjunaOS, a custom ROM based on LineageOS, starting from setting up your build environment and compiling your first build, through branding and system customization, to adding custom system services and advanced features. Covers the complete journey across three parts: building the OS, adding features, and deep customization.
Series Progress100%
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