I am getting same issue while compileing android 12.could you please help 
me out how to resolve this?
10:37:07 ************************************************************
10:37:07 You are building on a machine with 15.4GB of RAM
10:37:07 
10:37:07 The minimum required amount of free memory is around 16GB,
10:37:07 and even with that, some configurations may not work.
10:37:07 
10:37:07 If you run into segfaults or other errors, try reducing your
10:37:07 -j value.
10:37:07 ************************************************************
build/make/core/soong_config.mk:195: warning: 
BOARD_PLAT_PUBLIC_SEPOLICY_DIR has
 been deprecated. Use SYSTEM_EXT_PUBLIC_SEPOLICY_DIRS instead.
build/make/core/soong_config.mk:196: warning: 
BOARD_PLAT_PRIVATE_SEPOLICY_DIR ha
s been deprecated. Use SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS instead.
============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=12
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_2ND_ARCH=x86
HOST_OS=linux
HOST_OS_EXTRA=Linux-5.15.0-69-generic-x86_64-Ubuntu-20.04.6-LTS
HOST_CROSS_OS=windows
HOST_CROSS_ARCH=x86
HOST_CROSS_2ND_ARCH=x86_64
HOST_BUILD_TYPE=release
BUILD_ID=SQ3A.220605.009.B1
OUT_DIR=out
PRODUCT_SOONG_NAMESPACES=device/generic/goldfish 
device/generic/goldfish-opengl 
hardware/google/camera hardware/google/camera/devices/EmulatedCamera
============================================
[100% 250/250] out/soong/.bootstrap/bin/soong_build out/soong/build.ninja
FAILED: out/soong/build.ninja
cd "$(dirname "out/soong/.bootstrap/bin/soong_build")" && 
BUILDER="$PWD/$(basena
me "out/soong/.bootstrap/bin/soong_build")" && cd / && env -i "$BUILDER"   
  --t
op "$TOP"     --out "out/soong"     -n "out"     -d 
"out/soong/build.ninja.d"   
  -t -l out/.module_paths/Android.bp.list -globFile 
out/soong/.bootstrap/build-g
lobs.ninja -o out/soong/build.ninja --available_env 
out/soong/soong.environment.
available --used_env out/soong/soong.environment.used Android.bp
Killed
10:38:49 soong bootstrap failed with: exit status 1

#### failed to build some targets (01:46 (mm:ss)) ####

On Thursday, September 29, 2022 at 12:31:10 AM UTC+5:30 Yuxin Hu wrote:

> Android 13
>
> PLEASE READ:
>
> Our colleagues are developing on Android 13 and often encounter the 
> problem of compilation process interruption during compilation。
>
> soong_build process returns abnormally shortly after compilation
>
> ```
> Killed
> 19:51:22 soong bootstrap failed with: exit status 1
> ```
>
> The information that can be obtained by analyzing the `dmesg` log of the 
> host is that the soong_build process was killed because of Out of memory. 
> [image: 20220926-151825.png]
>
> After analysis, we believe that one of the main reasons for this problem 
> at the beginning of compilation is that out/soong/build.ninja is too large, 
> which leads to out of memory.
>
> ```
> huyuxin@nj-builder-01:~/missi_t_qcom/out$ cat 
> combined-missi_phone_cn.ninja 
>
> builddir = out
> pool highmem_pool
>  depth = 31
> subninja out/build-missi_phone_cn.ninja
> subninja out/build-missi_phone_cn-package.ninja
> subninja out/soong/build.ninja
> huyuxin@nj-builder-01:~/missi_t_qcom/out$ 
> huyuxin@nj-builder-01:~/missi_t_qcom/out$ ls -lh 
> build-missi_phone_cn.ninja 
> -rw-rw-r-- 1 huyuxin huyuxin 1.2G Sep 26 14:41 build-missi_phone_cn.ninja
> huyuxin@nj-builder-01:~/missi_t_qcom/out$ ls -lh 
> build-missi_phone_cn-package.ninja 
> -rw-rw-r-- 1 huyuxin huyuxin 43K Sep 26 10:08 
> build-missi_phone_cn-package.ninja
> huyuxin@nj-builder-01:~/missi_t_qcom/out$ ls -lh soong/build.ninja
> -rw-rw-r-- 1 huyuxin huyuxin 22G Sep 26 14:36 soong/build.ninja
> ```
>
> On my host this file size is over 20 GB,My source code is from Qualcomm's 
> distribution. The file may not be this large on the AOSP distribution.
>
> Usually the memory on our developer's work host is not very rich, usually 
> around 32GB.
>
> Can we crop or split this file so that it can be easily compiled locally 
> to verify some module issues? For example framework.jar services.jar 
> Settings.apk etc.
>
> (Our current workaround is to increase the size of the host's swap space, 
> which results in a slow compilation process)
>
> Thx !
>
>

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