trac tickets and alternative build system

[Adam Goode]

On 04/27/2010 07:05 AM, Hauke Heibel wrote:
> On Mon, Apr 26, 2010 at 10:02 PM, Adam Goode <agoode at andrew.cmu.edu> wrote:
>>> 5) void __attribute ((constructor)) _openslide_init(void);
>>>
>>> The constructor attribute is not supported under MSCV. I temporarily
>>> hacked around it by declaring the function as void
>>> _openslide_init(void);
>>
>> Yeah, for VS, there must be some way to annotate functions to be run as
>> DLL constructors. This can be abstracted in openslide-features.h like
>> OPENSLIDE_PUBLIC is.
> 
> VS is offering this functionality through a function called DLLMain.
> It is called when the DLL is loaded as well as when it's unloaded and
> thus it can be used to take care of initialization as well as cleanup.
> I did not yet use it since so far all my DLLs are just collections of
> functions or classes without the need for cleanup and initialization.
> 

Yeah, I think DLLMain has something to do with it.

Also see:
http://stackoverflow.com/questions/1113409/attribute-constructor-equivalent-in-vc

> See here for details: http://tinyurl.com/3xuupkk
> 
> This is also somehow implying that the library it not intended to be
> build as a static library, right?
> 

Yes, it is not really supported to work as a static library right
now because of some trickery I do to initialize gthread early on.
If you really need it as a static library, there are some things
you can do.


Adam

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