[help-texinfo] Gentoo Linux some `Info' manuals missing index

[Harry Putnam]

Running Gentoo Linux

I've noticed some items on the Info menu screen, for example `cvs' do
not have an Index generated for the use of `index' search `i'.

I'm using the emacs info reader, not the standalone.

Doing C-h i m cvs <RET> Lands me at the top Node of cvs manual, but if
I type `i' to ask for an `index' search I'm told `no index'

How can I generate that index from the sources.. or from this info
file?

I see and entry called `index' at the bottom of the cvs topnode page
and it links to an index but apparently this isn't the one that allows
the `index' search.

Information from the first page for `cvs'
-------        ---------       ---=---       ---------      -------- 
 (cvs)Top



   This info manual describes how to use and administer CVS version
   1.12.12.
   
  
Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
2002, 2003, 2004, 2005 Free Software Foundation, Inc.

Portions  
          Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 Derek
          R. Price,
          Copyright (C) 2002, 2003, 2004, 2005 Ximbiot
          <http://ximbiot.com>,
          Copyright (C) 1992, 1993, 1999 Signum Support AB,
          and Copyright (C) others.

   Permission is granted to make and distribute verbatim copies of this
manual provided the copyright notice and this permission notice are
preserved on all copies.

   Permission is granted to copy and distribute modified versions of
this manual under the conditions for verbatim copying, provided also
that the entire resulting derived work is distributed under the terms
of a permission notice identical to this one.

   Permission is granted to copy and distribute translations of this
manual into another language, under the above conditions for modified
versions, except that this permission notice may be stated in a
translation approved by the Free Software Foundation.

* Menu:

* Overview::                    An introduction to CVS
* Repository::                  Where all your sources are stored
* Starting a new project::      Starting a project with CVS
* Revisions::                   Numeric and symbolic names for revisions
* Branching and merging::       Diverging/rejoining branches of development
* Recursive behavior::          CVS descends directories
* Adding and removing::         Adding/removing/renaming files/directories
* History browsing::            Viewing the history of files in various ways

CVS and the Real World.
-----------------------
* Binary files::                CVS can handle binary files
* Multiple developers::         How CVS helps a group of developers
* Revision management::         Policy questions for revision management
* Keyword substitution::        CVS can include the revision inside the file
* Tracking sources::            Tracking third-party sources
* Builds::                      Issues related to CVS and builds
* Special Files::               Devices, links and other non-regular files

References.
-----------
* CVS commands::                CVS commands share some things
* Invoking CVS::                Quick reference to CVS commands
* Administrative files::        Reference manual for the Administrative files
* Environment variables::       All environment variables which affect CVS
* Compatibility::               Upgrading CVS versions
* Troubleshooting::             Some tips when nothing works
* Credits::                     Some of the contributors to this manual
* BUGS::                        Dealing with bugs in CVS or this manual
* Index::                       Index