[Coin-discuss] Problem compiling CoinMessageHandler.hpp under MS VC++ 6.0

[Stefano Gliozzi]

I've tried compiling the Coin lib with the source aligned this morning 
with CVS. I got the message:
and go the message: 

c:\coin\coin\include\coinmessagehandler.hpp(276) : error C2632: 'long' 
followed by 'long' is illegal
c:\coin\coin\include\coinmessagehandler.hpp(276) : error C2535: 'class 
CoinMessageHandler &__thiscall CoinMessageHandler::operator <<(long)' : 
member function already defined or declared
 c:\coin\coin\include\coinmessagehandler.hpp(275) : see declaration of 
'<<' 


Basically MS VC++ V6.0 does not understand the c type "long long". As far 
as I remember MS VC6.0 has the native type _int64 which is to be used 
instead of "long long".Actually I changed row 276 of 
coinmessagehandler.hpp in:

  CoinMessageHandler & operator<< (_int64 longvalue);

and this fixes the compilation problem. 
Now, how can we maintain the compatibility with MS VC++6.0 ?

Best Regards, 
Stefano

Managing Consultant 
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