[CMake] implib option for linker on Win32

[David Cole]

Actually, I'm pretty sure that CMake supports both "options 2 and 3" 
from the Microsoft article you referenced.

Option 2 is "using a def file" - CMake supports this: simply add the 
.def file as a source to your target (as you would a .c or .cxx/.cpp file).

Option 3 is passing "/EXPORT:entryname[, at ordinal[,NONAME]][,DATA]" to 
the linker on the linker command line. This is Microsoft linker 
specific, of course, but you can instruct CMake to use such a linker 
option by using a construct like this:
SET(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} 
/EXPORT:MyExportedFunction")


Hope this helps,
David

dohadwala, moiz wrote:

>Brad,
>
>Actually, __declspec(dllexport) tags are not necessary to export symbols,
>these can be specified in an external .def file.
>
>http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vccore/html
>/_core_.2f.implib.asp explains this.
>
>Cmake does not support options 2 or 3. I think it should and I believe it
>shouldn't be to hard to do it. But it is easier for me to say ;-).
>
>-Moiz 
>
>-----Original Message-----
>From: Brad King [mailto:brad.king at kitware.com] 
>Sent: Monday, August 01, 2005 6:24 AM
>To: dohadwala, moiz
>Cc: cmake at cmake.org
>Subject: Re: [CMake] implib option for linker on Win32
>
>dohadwala, moiz wrote:
>  
>
>>I am trying to create a shared library on windows. The cmake project 
>>creates the dll, but it does not create the import library. What 
>>options/commands should I provide to get the import library to be
>>    
>>
>generated?
>
>You need to put __declspec(dllexport) tags in your source code to tell the
>compiler/linker what symbols to export from the dll.  By default nothing is
>exported.  This is not a CMake issue, it is just standard Windows DLL stuff.
>
>-Brad
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>  
>