gcc-gnat: gcc-gnat (Ada support for GCC) gcc-gnat: gcc-gnat: Ada support for the GNU Compiler Collection. gcc-gnat: gcc-gnat: This package contains those parts of the compiler collection needed to gcc-gnat: compile Ada code. GNAT implements Ada 95, Ada 2005 and Ada 2012, and gcc-gnat: it may also be invoked in Ada 83 compatibility mode. By default, GNAT gcc-gnat: assumes Ada 2012. The base gcc package is also required. gcc-gnat: gcc-gnat: gcc-gnat: