build

NOT YET EXECUTABLE

#TODO: create debootstrap containers for isolated cross-compiling - assuming ubuntu/debian host

KERNEL_TARGET=generic
KERNEL_FLAVOUR=x86_64
KERNEL_VERSION=3.16.2
AUFS_VERSION=3.16
TOOL_CHAIN=gcc-4.9
CPU_CORE_NUM=`nproc`
OUTPUT_PATH=`pwd`/built/$KERNEL_FLAVOUR
mkdir $OUTPUT_PATH -p
mkdir tmp
cd tmp
wget --no-check-certificate http://www.kernel.org/pub/linux/kernel/v3.x/linux-$KERNEL_VERSION.tar.xz
tar xvJf linux-$KERNEL_VERSION.tar.xz
rm linux-$KERNEL_VERSION.tar.xz
wget --no-check-certificate http://mirrors.kernel.org/ubuntu/pool/main/l/linux-firmware/linux-firmware_1.134_all.deb
ar vx linux-firmware_1.134_all.deb
rm linux-firmware_1.134_all.deb debian-binary control.tar.gz
mv data.tar.xz linux-firmware.tar.xz
tar xvJf linux-firmware.tar.xz -C $OUTPUT_PATH ./lib/firmware
rm linux-firmware.tar.xz
git clone git://git.code.sf.net/p/aufs/aufs3-standalone aufs
cd aufs
git checkout aufs$AUFS_VERSION
cd ..
cd linux-$KERNEL_VERSION
patch -p1 < ../aufs/aufs3-kbuild.patch
patch -p1 < ../aufs/aufs3-base.patch
patch -p1 < ../aufs/aufs3-mmap.patch
patch -p1 < ../aufs/aufs3-standalone.patch
cp ../aufs/Documentation ./ -R
cp ../aufs/fs ./ -R
#cp ../aufs/include/linux/aufs_type.h ./include/linux/aufs_type.h
cp ../aufs/include/uapi/linux/aufs_type.h ./include/uapi/linux/aufs_type.h
cd ..
cp ../configs/$KERNEL_TARGET/$KERNEL_FLAVOUR linux-$KERNEL_VERSION/.config
cd linux-$KERNEL_VERSION
#make menuconfig
CC=$TOOL_CHAIN make -j$((CPU_CORE_NUM+1)) bzImage
cp arch/x86_64/boot/bzImage $OUTPUT_PATH/vmlinux
#CC=$TOOL_CHAIN make -j$((CPU_CORE_NUM+1)) vmlinux
CC=$TOOL_CHAIN make -j$((CPU_CORE_NUM+1)) modules
CC=$TOOL_CHAIN INSTALL_MOD_PATH=$OUTPUT_PATH make -j$((CPU_CORE_NUM+1)) modules_install
# removing symlinks (should be maybe recreated in rootfs)
rm $OUTPUT_PATH/lib/modules/$KERNEL_VERSION/build
rm $OUTPUT_PATH/lib/modules/$KERNEL_VERSION/source
CC=$TOOL_CHAIN INSTALL_MOD_PATH=$OUTPUT_PATH make -j$((CPU_CORE_NUM+1)) firmware_install
cd ..
cd ..