Looks like I'm not going to be much help.

>1. The build from source documentation is pretty bad. The "System
>Requirements" need to be broken up between build requirements and
>runtime requirements. I.e, do I need <blah> or <blah>-devel... It has...

I don't know the full list.  The distro install instructions list packages 
required for each supported OS, suggesting someone has the list you need.
 
>2. The documentation seems to have instructions that are not strictly
>needed for installation, but I could just be confused.

I don't see anything unnecessary in this: http://www.openfoam.org/git.php
 
>3. Wanting to be compiled in the location it's installed to is bad...

There's still a lot of old-school left in OpenFOAM.  Object files go into 
subdirectories within each library.  The #include strategy is particularly 
stupid - each library requires a directory with shortcuts to all files in its 
scope.  There are scripts that attempt to maintain these, but they don't always 
work, and the fail mode of name collisions is apparently to destroy both files.

>4. Along those lines, is the entire source tree really needed during use?

 The library is broken down into multiple sub-libraries.  It shouldn't bee too 
hard to pull it apart to make large, logically grouped extension packages, like 
openFOAM-core, openFOAM-chemistry, openFOAM-lagrange, and so on.

>Now more Fedora specific issues:
 >
>5. The ThridParty package is completely unacceptable. Anything in
>there that isn't currently already in Fedora will need to be packaged
>first.
 
Outside my realm of expertise - I don't know much about the third party stuff.  
Some are pretty standard: openmpi, cmake.  But then again, some of them are 
pretty old too, and I guess we'd have to package these ourselves.

>6. I'm not sure if the built-in wmake tool is acceptable, it seems to
>come from openwatcom.org, it will also need to be packages separately.
 
I think wmake is native to OpenFOAM - although openwatcom's description of 
theirs is identical.  The wmake source files have OpenFOAM's standard comment 
headers.  If you have to get rid of it, you are right about FreeFoam.  Last I 
heard, the project is still unfinished, but the guys who manage the 
OpenFOAM-extend fork are borrowing FreeFoam's cmake solution for their Windows 
port.  I understand the Windows port is a huge struggle, and is also 
unfinished... so I'm not sure how much of the struggle is associated with the 
cmake aspect.

>7. The 'copy the entire source-tree with the compiled binaries and
>libraries' issue from #3. I'm not sure it will be acceptable.
 >
>Now once all those are taken care of, all the 3rd party stuff will
>have to be ripped out during build to make sure it's not used and the
>makefiles patched to use the system libraries where necessary.
 >
>All-in-all, a lot of work. Do any of the recent changes solve any of
>these issues?
 
No.

I didn't realize how much work would be involved.  I'd say we give it a little 
more time to mature.  The community is growing, and there's pressure to 
modernize the project.

Sincerely
-Dave
~~~~
Follow me on Twitter @DavidGaden
                                          
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