Compile errors when building a Windows agent

[D. R. Evans]

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OK. I am now getting a handle on the problems.

The source seems to be two-fold:

1. agent++/snmp++ uses <iostream.h> instead of <iostream>. This is easily fixed, 
simply by replacing every instance of "<iostream.h>" with "<iostream>".

That fixed all my compilation errors, but then I started getting lots of link 
errors. It turns out that this is because of naming conflicts of header files 
against the crypto++ library.

2. The fix for this (I think that this is the fix; I haven't actually finished 
doing it yet, because it's rather tedious) is to put in an explicit path for all 
the header files. As currently designed, agent++/snmp++ seems to make some 
rather dangerous assumptions about the naming and path conventions for included 
files. With g++ one tends not to notice this, since one can easily control the 
order in which directories are searched for included files. In Windows, however, 
the order of searched directories is _global_ (meaning, it's the same for all 
projects), which means that conflicts can arise because of name collisions, and 
there is nothing one can do to resolve the conflicts -- one has to resolve the 
name collisions by explicitly expanding them to, for example, 
"../include/config.h".

  Doc Evans
  
PS Thanks to Ram Krishnaswamy for giving me encouragement not to give up! Maybe 
Frank or Jochen will consider making some of these changes in a future version; 
it shouldn't affect *nix users, but it will make life much easier for people 
trying to build under Windows.



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D.R. Evans N7DR / G4AMJ                      N7DR at arrl.net

A dead lawyer in a Colorado ski resort and an Australian detective 
who 
doesn't play by the rules: 
   "All Or Nothing" is now available. 
See http://www.sff.net/people/N7DR/drevans.htp for details.
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