libecpg-compat3 software package provides older version of run-time library for ECPG programs, 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 libecpg-compat3
libecpg-compat3 is installed in your system.
Make ensure the libecpg-compat3 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libecpg-compat3 *
You will get with libecpg-compat3 package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Libraries |
| Package | libecpg-compat3 |
| Version | 9.1.24-0+deb7u1 [amd64, armel, |
| Description | older version of run-time library for ECPG programs |
| Sub Section | libs |