Followed these instructions to build the kernel for pixel 8
mkdir -p android/kernel/pixel
cd android/kernel/pixel
repo init -u https://github.com/GrapheneOS/kernel_manifest-pixel.git -b 15-qpr2
repo sync -j8
./build_shusky.sh --lto=full
Build errors out with
Use --sandbox_debug to see verbose messages from the sandbox and retain the sandbox build root for debugging
ERROR: modpost: "usb_check_int_endpoints" [drivers/net/usb/rtl8150.ko] undefined!
ERROR: modpost: "device_find_any_child" [net/bluetooth/bluetooth.ko] undefined!
Is the 15-qpr2 branch the correct branch to be using? The above commands were directly from https://grapheneos.org/build#kernel