Octave dependencies doc

[John W. Eaton]

On  8-Jan-2012, Michael D Godfrey wrote:

| I just read through the improved Appendix G.  This will help a lot
| for people doing builds without much prior experience.  One point
| that does need making:  Some (for example Fedora) systems package
| the binaries for a package separately from the libraries and headers
| needed if they are going to be referenced from code.  For example:
| [pbdsl3:hg] rpm -qa | grep -i suitesparse
| 1036:suitesparse-3.6.1-1.fc16.x86_64
| 1243:suitesparse-devel-3.6.1-1.fc16.x86_64
| If you just say yum install suitesparse you only get the first (binary) 
| package.
| 
| A standard notation seems to be used: <package> and <package>-devel.
| Users need to install both, or ./configure will still say <package> not 
| found.
| 
| I have had to explain this to quite a few people who did not know they need
| the -devel package.

I checked in the following changeset

  http://hg.savannah.gnu.org/hgweb/octave/rev/53a9c916ba2f

I've done about all with the install docs that I have time for now,
but I welcome updates in the form of changesets.

Thanks,

jwe