#!/bin/sh

[ -z $PREPKG ] && exit 1

VERSION=$(awk '/^VERSION/ {print $3}' Makefile)
PATCHLEVEL=$(awk '/^PATCHLEVEL/ {print $3}' Makefile)
SUBLEVEL=$(awk '/^SUBLEVEL/ {print $3}' Makefile)
EXTRAVERSION=$(awk '/^EXTRAVERSION/ {print $3}' Makefile)
KERNELRELEASE=$VERSION.$PATCHLEVEL.$SUBLEVEL$EXTRAVERSION

mkdir -p $PREPKG/{install,boot}/

# http://distcc.samba.org/faq.html#linux2.2
[ "$PATCHLEVEL" = "2" ] && unset MAKEJOBS

make mrproper &> make_mrproper.output
make menuconfig
make dep &> make_dep.output
make $MAKEJOBS bzImage &> make_bzImage.output
make $MAKEJOBS modules &> make_modules.output
make INSTALL_MOD_PATH=$PREPKG modules_install &> make_modules-install.output

find $PREPKG/lib/modules/$KERNELRELEASE/ -type f -name '*.o' -exec gzip -9 {} \;

# regenerate modules.* to take the above into account
/sbin/depmod -ae -F System.map -b $PREPKG -r $KERNELRELEASE

cp -p System.map $PREPKG/boot/System.map-$KERNELRELEASE
ln -s System.map-$KERNELRELEASE $PREPKG/boot/System.map
cp -p .config $PREPKG/boot/config-$KERNELRELEASE
ln -s config-$KERNELRELEASE $PREPKG/boot/config
cp -p arch/i386/boot/bzImage $PREPKG/boot/vmlinuz-$KERNELRELEASE
ln -s vmlinuz-$KERNELRELEASE $PREPKG/boot/vmlinuz