$ make clobber
$ . ./build/envsetup.sh
$ lunch

You're building on Linux

Lunch menu... pick a combo:
     1. aosp_arm-eng
     2. aosp_arm64-eng
     3. aosp_x86-eng
     4. aosp_x86_64-eng
     5. omni_emulator-userdebug
     6. omni_lancelot-eng
     7. omni_lancelot-userdebug

Which would you like? [aosp_arm-eng] omni_lancelot-userdebug

============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=16.1.0
TARGET_PRODUCT=omni_lancelot
TARGET_BUILD_VARIANT=userdebug
TARGET_BUILD_TYPE=release
TARGET_ARCH=arm64
TARGET_ARCH_VARIANT=armv8-2a
TARGET_CPU_VARIANT=generic
TARGET_2ND_ARCH=arm
TARGET_2ND_ARCH_VARIANT=armv8-2a
TARGET_2ND_CPU_VARIANT=generic
HOST_ARCH=x86_64
HOST_2ND_ARCH=x86
HOST_OS=linux
HOST_OS_EXTRA=Linux-5.13.11-amd64-x86_64-Debian-GNU/Linux-bookworm/sid
HOST_CROSS_OS=windows
HOST_CROSS_ARCH=x86
HOST_CROSS_2ND_ARCH=x86_64
HOST_BUILD_TYPE=release
BUILD_ID=QQ3A.200805.001
OUT_DIR=/media/Android/omni-twrp-10.0/out
ROM_BUILDTYPE=HOMEMADE
============================================