#!/bin/bash

# N=$(($(getconf _NPROCESSORS_ONLN) / 2))
N=$(($(getconf _NPROCESSORS_ONLN) * 1))

mkdir -p .git/kbuild
if test -f .git/kbuild/config ; then
    . .git/kbuild/config
elif test -f .git/kbuild.conf ; then
    . .git/kbuild.conf
    mv .git/kbuild.conf .git/kbuild/config
else
    echo "Missing kbuild configuration file!"
    exit 1
fi

if test ! -d "$BLD_DIR" ; then
    mkdir -p "$BLD_DIR"
    if test -f .git/kbuild/kernel-config ; then
	cp .git/kbuild/kernel-config "$BLD_DIR/.config"
    fi
    for i in x509.genkey signing_key.pem signing_key.x509
    do
	if test -f ".git/kbuild/$i" ; then
	    mkdir -p "$BLD_DIR/certs"
	    cp ".git/kbuild/$i" "$BLD_DIR/certs"
	fi
    done
fi

time nice make O="$BLD_DIR" ARCH=${KERN_ARCH:-x86_64} -j$N $*

cp "$BLD_DIR/.config" .git/kbuild/kernel-config
for i in x509.genkey signing_key.pem signing_key.x509
do
    if test -f "$BLD_DIR/certs/$i" ; then
	    cp "$BLD_DIR/certs/$i" .git/kbuild
    fi
done