Install imagemagick with webp support

install_imagemagick.md

Install imagemagick with webp support

Go to opt directory and download latest version of imagemagick

cd /opt
sudo wget http://www.imagemagick.org/download/ImageMagick.tar.gz

Install webp lib dev library. This is mandatory othwerwise imagemagick won't include webp delegator. Older version of libwebp-dev raises undefined reference to WebPMemoryWriterClear exception. You can manually install from here

sudo apt install libwebp-dev

Extract, make and install

sudo tar xvzf ImageMagick.tar.gz
cd ImageMagick-7.0.8-2
sudo touch configure
sudo ./configure
sudo make
sudo make install
sudo ldconfig /usr/local/lib
sudo make check

Now, check the imagemagick version

convert --version

install_latest_libwebp_manually.md

Install libwebp package manually from source file. Original source

First, uninstall libwebp if its already installed on your device.

sudo apt remove libwebp-dev

Download and extract latest webp library

wget http://downloads.webmproject.org/releases/webp/libwebp-1.2.0.tar.gz
tar -xz libwebp-1.2.0.tar.gz
cd libwebp-1.2.0

Install libwebp by running the following commands

./configure --prefix=/usr           \
            --enable-libwebpmux     \
            --enable-libwebpdemux   \
            --enable-libwebpdecoder \
            --enable-libwebpextras  \
            --enable-swap-16bit-csp \
            --disable-static        &&
make

Now install from root user

sudo make install