notesalexp.org

Download Page for libleptonica-dev

If you are running stretch, it is strongly suggested to use a package manager like aptitude or synaptic to download and install packages, instead of doing so manually via this website.

1. Open a terminal and install apt-transport-https

sudo apt-get install apt-transport-https

2. Add this line to your /etc/apt/sources.list :

deb https://notesalexp.org/tesseract-ocr/raspbian/stretch/ stretch main

3. Fetch and install the GnuPG key

sudo apt-get update -oAcquire::AllowInsecureRepositories=true
sudo apt-get install notesalexp-keyring -oAcquire::AllowInsecureRepositories=true
sudo apt-get update

or

wget -O - https://notesalexp.org/debian/alexp_key.asc | sudo apt-key add -
sudo apt-get update

4. Enjoy

sudo aptitude install libleptonica-dev

You can download the requested file from the libleptonica-dev subdirectory at this link:

https://notesalexp.org/tesseract-ocr/raspbian/stretch/pool/main/l/leptonlib/libleptonica-dev_1.78.0-1+nmu1_armhf.deb

More information on libleptonica-dev: