Install pngquant on Raspbian, Raspberry Pi

pngquant is a command-line utility and a library for lossy compression of PNG images. The conversion reduces file sizes significantly (often as much as 70%) and preserves full alpha transparency.

Install dependency, a library implementing an interface for reading and writing PNG (Portable Network Graphics) format files:

apt-get install libpng-dev

Download source code:

git clone git://github.com/pornel/pngquant.git

Go to directory:

cd pngquant

Build it:

make

Install it system-wide:

sudo make install

More info: http://pngquant.org/install.htmlhttps://github.com/pornel/pngquant

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