b4e549bfb7
(cherry picked from commit 4655206209)
Test: m systemimage
Test: build_test on Forrest
Bug: 132289438
Merged-In: I5dfb534aa2bc24a8d0a75fde31b139a6ed86e6a5
Change-Id: Ied158548f391d67f44ca31b74a3711d1cb5216fe
Android Make Build System
This is the Makefile-based portion of the Android Build System.
For documentation on how to run a build, see Usage.txt
For a list of behavioral changes useful for Android.mk writers see Changes.md
For an outdated reference on Android.mk files, see build-system.html. Our Android.mk files look similar, but are entirely different from the Android.mk files used by the NDK build system. When searching for documentation elsewhere, ensure that it is for the platform build system -- most are not.
This Makefile-based system is in the process of being replaced with Soong, a new build system written in Go. During the transition, all of these makefiles are read by Kati, and generate a ninja file instead of being executed directly. That's combined with a ninja file read by Soong so that the build graph of the two systems can be combined and run as one.