Utilities/Release: Add README.rst describing directory content

Help/dev/source.rst

@@ -74,6 +74,8 @@ The CMake source tree is organized as follows.
 
   * ``Utilities/Release/``:
     Scripts used to package CMake itself for distribution on ``cmake.org``.
+    See `Utilities/Release/README.rst`_.
 
 .. _`CMake Documentation Guide`: documentation.rst
 .. _`Tests/README.rst`: ../../Tests/README.rst
+.. _`Utilities/Release/README.rst`: ../../Utilities/Release/README.rst

Utilities/Release/README.rst

@@ -0,0 +1,27 @@
+CMake Release Utilities
+***********************
+
+This directory contains scripts used to package CMake itself for distribution
+on ``cmake.org``.  See also the `CMake Source Code Guide`_.
+
+.. _`CMake Source Code Guide`: ../../Help/dev/source.rst
+
+Scripts for Kitware
+-------------------
+
+Kitware uses the following scripts to produce binaries for ``cmake.org``.
+They work only on specific machines Kitware uses for such builds.
+
+* ``create-cmake-release.cmake``:
+  Run ``cmake -DCMAKE_CREATE_VERSION=$ver -P ../create-cmake-release.cmake``
+  to generate ``create-$ver-*.sh`` release scripts.  It also displays
+  instructions to run them.
+
+* ``*_release.cmake``:
+  Platform-specific settings used in corresponding scripts generated above.
+
+* ``release_cmake.cmake``:
+  Code shared by all ``*_release.cmake`` scripts.
+
+* ``release_cmake.sh.in``:
+  Template for script that runs on the actual build machines.