[Gecode] DllExport not yet okay on Windows...

[Christian Schulte]

Dear all,

the DllExport swamp has not yet driep up... While it works like a charm for
MSVC, the solution is not yet good enough for gcc. 

When declaring an entire class to be exported, for MSVC it means that even
if a _inline_ member function is exported, MSVC will use the inline version.
This is not the case for gcc, it chooses to always do a call.

Impact for performance is desastrous: The runtime increases by a factor of
six (clear, no inlining!).

Easy to fix (but tedious): instrument all class members individously and
spare inline functions... 

I'll try and come back to you whether this works.

Christian

--
Christian Schulte, http://www.imit.kth.se/~schulte/