gccxml software package provides XML output extension to GCC, 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 gccxml
gccxml is installed in your system.
Make ensure the gccxml package were installed using the commands given below,
$ sudo dpkg-query -l | grep gccxml *
You will get with gccxml package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Development |
| Package | gccxml |
| Version | 0.9.0+cvs20120420-4 |
| Description | XML output extension to GCC |
| Sub Section | devel |