libdspam7-dev software package provides Development headers for libdspam, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libdspam7-dev
libdspam7-dev is installed in your system.
Make ensure the libdspam7-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libdspam7-dev *
You will get with libdspam7-dev package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Library development |
| Package | libdspam7-dev |
| Version | 3.10.1+dfsg-11 |
| Description | Development headers for libdspam |
| Sub Section | libdevel |