7.1 GNU Compiler Collection (GCC)
The GNU Compiler Collection is used by Microchip Studio at the build stage. The architecture-specific versions of the GNU Compiler Collection support C-code compilation, assembly, and linking of C and C++.
The AVR GNU compiler collection is distributed under the terms of the GNU General Public License, https://www.gnu.org/licenses/gpl.html. A copy of this license is also found in the installation folder of Microchip Studio.