Tweaks for Compiling xv v3.10a Under Kali Linux
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sudo apt install libxt-dev 
sudo apt install libx11-dev
sudo apt install libjpeg-dev
sudo apt install libtiff-dev
sudo apt install libpng-dev
sudo apt install zlib1g-dev

cd xv-3.10a
make
sudo make install

# Installs xv, xvpictoppm, xcmap, vdcomp, and bggen in /usr/local/bin
# Installs PDF docs under /usr/share/doc/xv


