# The Latest kernel
#

## Variables initialisation
#
url="http://www.kernel.org"
description="The latest kernel version"
packager="pierre at nutyx dot org, tnut at nutyx dot org"

PKGMK_IGNORE_UNPACK="yes"
PKGMK_NO_STRIP="yes"
PKGMK_GROUPS=(devel doc)

name=kernel
alias=(linux)

version=4.10.11
_version=${version:0:4}

release=1

# Virtualbox
vb_version=5.1.14
buildrelease=112924
[ "`uname -m`" == "i686"   ] && _VBARCH=x86
[ "`uname -m`" == "x86_64"   ] && _VBARCH=amd64

# nvidia
nv_version=378.13
[ "$PKGMK_ARCH" == "i686"   ] && _NVARCH=x86
[ "$PKGMK_ARCH" == "x86_64"   ] && _NVARCH=x86_64


# Broadcom
wl_version=6.30.223.271
[ "`uname -m`" == "x86_64" ] && _wlarch=_64

## Download all the sources
#

source=(\
$url/pub/linux/kernel/v4.x/linux-${_version}.tar.xz
$url/pub/linux/kernel/v4.x/patch-$version.xz
$name.config $name.config_64)

## Time to build everything
#

build(){

bsdtar -p -o -C $SRC -xf linux-${_version}.tar.xz

cd linux-${_version}

if [ -f $SRC/patch-$version.xz ]; then
	xz -d -c  $SRC/patch-$version.xz | patch -Np1
fi

make mrproper
case `uname -m` in
	x86_64)
		cp $SRC/${name}.config_64 ./.config;;
	i?86)
		cp $SRC/${name}.config ./.config;;
esac

# make menuconfig

make

case `uname -m` in
        x86_64)
		cp .config $SRC/${name}.config_64;;
        i?86)
		cp .config $SRC/${name}.config;;
esac

## Modules
#
# Kernel modules
cd $SRC/linux-${_version}
make INSTALL_MOD_PATH=$PKG modules_install

KERNEL_VERSION="${version}-NuTyX"

# depmod needed
depmod -b $PKG -a ${KERNEL_VERSION}

# Install config and kernel files
cd $SRC/linux-${_version}

mkdir -p $PKG/boot
case `uname -m` in
        x86_64)
                cp  System.map \
                $PKG/boot/System_64.map-$version
                cp  .config    \
                $PKG/boot/config_64-$version
                cp  arch/x86_64/boot/bzImage \
                $PKG/boot/kernel-$version-NuTyX ;;
        i?86)
                cp  System.map \
                $PKG/boot/System.map-$version
                cp  .config \
                $PKG/boot/config-$version
                cp  arch/i386/boot/bzImage \
                $PKG/boot/kernel-$version-NuTyX ;;
esac

# Reorgenise the sources
cd $PKG/lib/modules/${KERNEL_VERSION}/

mkdir -p $PKG/usr/src

mv $SRC/linux-${_version} $PKG/usr/src/
rm {build,source}

ln -sv /usr/src/linux-${_version} build
ln -sv /usr/src/linux-${_version} source

mkdir $SRC/linux-${_version}
mv $PKG/usr/src/linux-${_version}/Documentation \
$SRC/linux-${_version}

# Firmware are in linux-firmware
rm -rf $PKG/lib/firmware

# post-install autogen
echo 'LK="."
[ -L boot/kernel ] && LK="`readlink boot/kernel`"
if [ "`dirname $LK`" != "." ]; then
  echo "This is a efi installation"
  ln -sf $LK boot/kernel
  if [ -f boot/$LK ]; then' > $PKGMK_ROOT/$name.post-install
echo "    mv boot/kernel-$version-NuTyX boot/\$LK 2>/dev/null
    ln -sf \$LK boot/kernel-$version-NuTyX
  else
    echo \"EFI Partition not found, mount EFI Partition and re-install the kernel\"
  fi
else
  echo \"This is a bios installation\"
  ln -sf kernel-$version-NuTyX boot/kernel
fi" >> $PKGMK_ROOT/$name.post-install

# pre-install autogen
cd $SRC
if [ -f aaabasicfs-${AAABASICFS}.tar.xz ]; then
 bsdtar -p -o -C $SRC -xf aaabasicfs-${AAABASICFS}.tar.xz
 echo ". lib/lsb/init-functions" >  $PKGMK_ROOT/$name.pre-install
 for FILE in `tar --list --file aaabasicfs-${AAABASICFS}.tar.xz|grep -v /$`
 do
   echo "log_info_msg \"update $FILE\"" >> $PKGMK_ROOT/$name.pre-install
   echo "cat  > $FILE << \"END_OF_FILE\"" >> $PKGMK_ROOT/$name.pre-install
   cat $SRC/$FILE >> $PKGMK_ROOT/$name.pre-install
   echo "END_OF_FILE" >> $PKGMK_ROOT/$name.pre-install
   echo "evaluate_retval" >> $PKGMK_ROOT/$name.pre-install
 done
fi
}
devel() {

cd $PKG
rm -r usr/src/linux-${_version}/{tools,ipc,init,drivers,firmware,fs,mm,samples,security,sound,virt}
for i in alpha arc arm arm26 arm64 avr32 blackfin c6x \
cris frv h8300 hexagon ia64 m32r m68k m68knommu metag \
mips microblaze mn10300 openrisc parisc powerpc ppc s390 \
score sh sh64 sparc sparc64 tile unicore32 um v850 xtensa
do rm -rf usr/src/linux-${_version}/arch/$i
done

bsdtar -cf \
$PKGMK_PACKAGE_DIR/$name.devel${PKGMK_BUILDVER}any.${PKGMK_PACKAGE_EXT} \
usr/src/linux-${_version}

rm -r usr
}

doc() {

cd $PKG
mkdir -p usr/share/doc
mv $SRC/linux-${_version}/Documentation \
usr/share/doc/linux-$version

bsdtar -cf \
$PKGMK_PACKAGE_DIR/$name.doc${PKGMK_BUILDVER}any.${PKGMK_PACKAGE_EXT} \
usr/share/doc/linux-$version

rm -r usr
}