pragma, dlls, etc

Kirk McDonald kirklin.mcdonald at
Wed Feb 7 00:43:00 PST 2007

Robby wrote:
> Mike Parker wrote:
>> Robby wrote:
>>> I've spent the past couple of hours beating my head around this so I 
>>> thought I would see if I can get some help.
>>> Considering the following directory structure:
>>> a/
>>>   b/
>>>   compile.bat
>>>     c/
>>>       d/
>>>         my.dll
>>>       main.d
>>> compile.bat:
>>> dmd -run b/c/main.d  -I../b -I../b/c/d/
>>> pause
>>> in main.d I have
>>> pragma (lib, r"b/c/d/my.dll");
>>> and I get Not a valid library file
>>> Obviously there is, but is there something I'm missing?
>> You need to create an import library (my.lib) and link to that. DMD 
>> doesn't link directly to DLLs. In fact, most C and C++ compilers do 
>> not do this on Windows, either. MingW is the only one I know of that 
>> accepts DLLs on the command line in place of library archives.
> I've ran implib.exe against it and generated a my.lib file which I've 
> put into the same directory as my.dll, and when I use:
>  pragma (lib, r"b/c/d/my.lib");
> I get an alert box stating "This application has failed to start because 
> my.dll was not found"
> Sorry, that was in my draft.. didn't make it into the post though

Windows expects to find the DLL in the same directory as the .exe, or in 
your Windows\system32 directory.

Kirk McDonald
Pyd: Wrapping Python with D

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