libflowcanvas-dev software package provides interactive widget for ?boxes and lines? environments - header files, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libflowcanvas-dev
libflowcanvas-dev is installed in your system.
Make ensure the libflowcanvas-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libflowcanvas-dev *
You will get with libflowcanvas-dev package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Library development |
| Package | libflowcanvas-dev |
| Version | 0.7.1+dfsg0-0.3+b1 [s390x], 0. |
| Description | interactive widget for ?boxes and lines? environments - header files |
| Sub Section | Libdevel |