DLL creation problem
Steve Jorgensen
steve@khoral.com
Sun Oct 31 19:54:00 GMT 1999
This seems to be working.. Thanks to Bill and DJ for their help.
So, did microsoft go into a room and brainstorm the hardest way
to do shared libraries or is this an artifact of hacking gcc to
do dll's? :)
Steve
Bill Tutt wrote
>> > From: DJ Delorie [ mailto:dj@delorie.com ]
>> > > So how do I make the above assignment (or any global variable
>> > > assignemnt) work as expected?
>> >
>> > What we do is, in the header where you prototype the variable
>> > (i.e. the "extern int foo;" line), add a directive like this:
>> >
>> > extern int foo __declspec(dllimport);
>> >
>> > Note that you should *only* do this for the application; don't do it
>> > for the dll itself.
>> >
>>
>> Whats typically done is something like this:
>> #ifdef BUILD_XYZ
>> #define XYZAPI __declspec(dllexport)
>> #else
>> #define XYZAPI __declspec(dllimport)
>> #endif
>>
>> and just write a header file like so:
>>
>> XYZ.h might contain:
>>
>> extern int foo XYZAPI;
>>
>> Then when you're building the DLL, just define BUILD_XYZ.
>>
>> Bill
>>
--
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Steven Jorgensen steve@khoral.com steve@haunt.com
------------------------------+----------------------------
Khoral Research Inc. | PHONE: (505) 837-6500
6200 Uptown Blvd, Suite 200 | FAX: (505) 881-3842
Albuquerque, NM 87110 | URL: http://www.khoral.com/
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