Packages with the gnat_2018 use flag

Global definition: Compile with dev-lang/gnat-gpl-2018.

dev-ada / gnat_util : Provides access to GNAT compiler internals for AdaCore utilities

dev-ada / gprbuild : Multi-Language Management

dev-ada / gtkada : A complete Ada graphical toolkit

dev-ada / libgpr : Ada library to handle GPRbuild project files

dev-ada / xmlada : Set of modules that provide a simple manipulation of XML streams