* Win32 issues with Templates and Libs *

Walter Bright newshound at digitalmars.com
Wed Feb 21 00:46:18 PST 2007


James Dennett wrote:
> Walter Bright wrote:
>> Pragma wrote:
>>> That raises an interesting question: seeing as how it's using the same
>>> backend, how does DMC handle this problem for C++?
>> Unlike D, a C++ compiler has no idea what templates are instantiated in
>> other files. So it instantiates everything. This is one reason why C++
>> builds are so much slower than D.
> 
> It's fairly common for C++ compilers to use some kind
> of storage to record which templates are instantiated
> from which files, and has been for quite a few years.

Yeah, I've considered building such a thing. But it would be complex, 
and the programmer would have to accommodate its idiosyncracies. Better 
off fixing the language to support proper modules.



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