#!/bin/sh

set -ex

cd /usr/src/linux

MAKEARGS=""

if [ "$1" = "LLVM=1" ]; then
  MAKEARGS="$MAKEARGS LLVM=1 LLVM_IAS=1"
  shift 1
fi

EXTRA_TARGETS="$@"
NCPU=$(ls /sys/bus/cpu/devices | wc -l)

make $MAKEARGS prepare

KVER=$(make $MAKEARGS kernelrelease)

make $MAKEARGS -j$NCPU \
&& make $MAKEARGS install modules_install $EXTRA_TARGETS \
&& emerge -vq @module-rebuild \
&& dracut --kver $KVER --force \
&& grub-mkconfig -o /boot/grub/grub.cfg