eng: Add glossary

Update #3853.

eng/glossary.rst

@@ -0,0 +1,61 @@
+.. SPDX-License-Identifier: CC-BY-SA-4.0
+
+.. Copyright (C) 2017, 2019 embedded brains GmbH (http://www.embedded-brains.de)
+
+Glossary
+********
+
+.. glossary::
+    :sorted:
+
+    ABI
+        An acronym for Application Binary Interface.
+
+    API
+        An acronym for Application Programming Interface.
+
+    CCB
+        An acronym for Change Control Board.
+
+    Doorstop
+        `Doorstop <https://github.com/doorstop-dev/doorstop>`_ is a
+        requirements management tool.
+
+    EARS
+        An acronym for Easy Approach to Requirements Syntax.
+
+    GCC
+        An acronym for `GNU Compiler Collection <https://gcc.gnu.org/>`_.
+
+    GNAT
+        *GNAT* is the :term:`GNU` compiler for Ada, integrated into the
+        :term:`GCC`.
+
+    GNU
+        An acronym for `GNU's Not Unix <https://www.gnu.org/>`_.
+
+    ISVV
+        An acronym for Independent Software Verification and Validation.
+
+    ReqIF
+        An acronym for
+        `Requirements Interchange Format <https://www.omg.org/spec/ReqIF/About-ReqIF/>`_.
+
+    RTEMS
+        An acronym for Real-Time Executive for Multiprocessor Systems.
+
+    software item
+        This term has the same meaning as :term:`software product`.
+
+    software product
+        The *software product* is the :term:`RTEMS` real-time operating system.
+
+    source code
+        This project uses the *source code* definition of the
+        `Linux Information Project <http://www.linfo.org/source_code.html>`_:
+        "Source code (also referred to as source or code) is the version of
+        software as it is originally written (i.e., typed into a computer) by a
+        human in plain text (i.e., human readable alphanumeric characters)."
+
+    YAML
+        An acronym for `YAML Ain't Markup Language <https://yaml.org/>`_.

eng/index.rst

@@ -37,4 +37,5 @@ RTEMS Software Engineering (|version|)
     appendix-a
     function_and_variable
     concept
+    glossary
     zreferences