libcurl3-gnutls software package provides easy-to-use client-side URL transfer library (GnuTLS flavour), 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 libcurl3-gnutls
libcurl3-gnutls is installed in your system.
Make ensure the libcurl3-gnutls package were installed using the commands given below,
$ sudo dpkg-query -l | grep libcurl3-gnutls *
You will get with libcurl3-gnutls package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Libraries |
| Package | libcurl3-gnutls |
| Version | 7.26.0-1+wheezy17 [amd64, arme |
| Description | easy-to-use client-side URL transfer library (GnuTLS flavour) |
| Sub Section | libs |