How to build / run AOSP Car on the emulator from sources?

[andrada anca]

How to build / run AOSP Car on the emulator from sources?

My goal is to enable the hidden features of "multi-display" on the emulator. For that, I pulled the emulator sources from the 'emu-master-dev' branch, made the changes, build.

The problem is that, I can't run the emulator with the aosp_car_x86_64 images. The emulator hangs and android is not starting.

This is the lunch combo I use to build the images:

============================================

PLATFORM_VERSION_CODENAME=REL

PLATFORM_VERSION=10

TARGET_PRODUCT=aosp_car_x86_64

TARGET_BUILD_VARIANT=userdebug

TARGET_BUILD_TYPE=release

TARGET_ARCH=x86_64

TARGET_ARCH_VARIANT=x86_64

TARGET_2ND_ARCH=x86

TARGET_2ND_ARCH_VARIANT=x86_64

HOST_ARCH=x86_64

HOST_OS=darwin

HOST_OS_EXTRA=Darwin-19.3.0-x86_64-10.15.3

HOST_BUILD_TYPE=release

BUILD_ID=QQ2A.200305.004.A1

OUT_DIR=out

============================================

The system runs on the prebuilts emulator.

Any idea what I am doing wrong?

[Frank Yang]

BTW I use https://github.com/phracker/MacOSX-SDKs to download older macos sdks but if anyone else has a better suggestion I'm all ears

On Wed, Apr 8, 2020 at 1:39 PM Frank Yang <l...@google.com> wrote:

I notice you're on a macOS host; you'll need to build the emu-master-dev linked against macos 10.13 sdk, not 10.15 (The latest has issues where there is a crash on startup).

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[andrada anca]

Hi there,

You were right, it was the MacOS SDK issue.

I replaced SDK v. 10.15 with 10.13 as you suggested, and now I can launch the emulator with the AOSP-car image.

I use the same GitHub repo to obtain the SDKs.

By the way, where should I look that it's a crash at startup? besides running the emulator with

-verbose

is there a log file to check ?

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