gcc/ada/
* doc/gnat_ugn/the_gnat_compilation_model.rst: Fix URL.
* gnat_ugn.texi: Regenerate.
GNAT supports interfacing with the G++ compiler (or any C++ compiler
generating code that is compatible with the G++ Application Binary
-Interface ---see http://www.codesourcery.com/archives/cxx-abi).
+Interface ---see http://itanium-cxx-abi.github.io/cxx-abi/abi.html).
Interfacing can be done at 3 levels: simple data, subprograms, and
classes. In the first two cases, GNAT offers a specific ``Convention C_Plus_Plus``
GNAT supports interfacing with the G++ compiler (or any C++ compiler
generating code that is compatible with the G++ Application Binary
-Interface —see @indicateurl{http://www.codesourcery.com/archives/cxx-abi}).
+Interface —see @indicateurl{http://itanium-cxx-abi.github.io/cxx-abi/abi.html}).
Interfacing can be done at 3 levels: simple data, subprograms, and
classes. In the first two cases, GNAT offers a specific @code{Convention C_Plus_Plus}