# Switch to root user
sudo su

# Set kernel version
VERSION="5.15.12"

# Move to /usr/src dir
cd /usr/src

# Get kernel source
wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-${VERSION}.tar.xz

# Extract kernel source
unxz linux-${VERSION}.tar.xz

# Untar kernel source
tar -xf linux-${VERSION}.tar

# Remove tar file and cd to new kernel source
rm linux-${VERSION}.tar && cd linux-${VERSION}

# Get old kernel config
zcat /proc/config.gz > .config

# Optional: If your switching between major and minor branches, run `make oldconfig` first to see new kernel features
make oldconfig

# If needed, edit kernel config
make menuconfig

# Build kernel
make all

# Build modules
make modules_install

# Copy new kernel and system.map
cp arch/x86/boot/bzImage /boot/vmlinuz-${VERSION}
cp System.map /boot

# Update grub
grub-mkconfig -o /boot/grub/grub.cfg

# Downloads ports file
wget http://dlc.casita.net/~dlc/CRUX/xfce_4.16/.xfce_4.16.httpup -O xfce_4.16.httpup

# Copy file to ports dir
sudo cp xfce_4.16.httpup /usr/ports

# Add new directory to prt-get.conf
sudo echo "prtdir /usr/ports/xfce_4.16" >> /etc/prt-get.conf

# Update ports
sudo ports -u

# Install basic packages
sudo prt-get depinst xfdesktop xfce4-settings xfwm4 xfce4-session

# Shutdown
sudo /sbin/shutdown -Ph now

# Reboot
sudo /sbin/reboot

sudo prt-get depinst cmake

wget http://dist.schmorp.de/libptytty/libptytty-2.0.tar.gz
tar -xzf libptytty-2.0.tar.gz && rm libptytty-2.0.tar.gz
cd libptytty-2.0
cmake -DCMAKE_INSTALL_PREFIX=/usr -DBUILD_SHARED_LIBS=ON .
cmake --build .
sudo cmake --install .

wget http://dist.schmorp.de/rxvt-unicode/rxvt-unicode-9.29.tar.bz2
tar -xvjf rxvt-unicode-9.29.tar.bz2 && rm rxvt-unicode-9.29.tar.bz2
cd rxvt-unicode-9.29
./configure --prefix=/usr --enable-everything --enable-256-color --enable-text-blink --enable-fading --enable-font-styles --enable-pixbuf --enable-iso14755 --enable-mousewheel --enable-perl --enable-unicode3 --enable-xft
make
sudo make install

sudo prt-get depinst qemu