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Mac Forum / Programming / CodeWarrior / January 2004Building Windows DLL from CW Dev Studio 9
Hello All, Just a quick note to maybe save someone else some time... I needed to build a Windows DLL to implement a Java JNI function. I used the latest version of CW Dev Studio on my Mac. When I tested on a Windows XP box it was crashing like crazy. I copied my CW project over to the Windows machine and rebuilt it with an older (CW8) version of CW and it worked fine. Back on the Mac side I rebuilt all my libraries and then rebuilt the Windows DLL. This fixed the problem! So if you are doing any Windows build from the Mac IDE and things are acting strange, you may want to do the same thing and see if it fixes the problem. Regards, --gordon >Hello All, > [quoted text clipped - 13 lines] >acting strange, you may want to do the same thing and see if it fixes >the problem. My first GUESS is that there was a difference in the precompiled headers and the Libraries perhaps when you updated to 8.3 you didn't rebuild the Windows libraries or precompiled headers. Ron  SignatureMetrowerks, maker of CodeWarrior - "Software Starts Here" Ron Liechty - MWRon@metrowerks.com - <http://www.metrowerks.com> Howdy Ron! > My first GUESS is that there was a difference in the precompiled headers > and the Libraries perhaps when you updated to 8.3 you didn't rebuild > the Windows libraries or precompiled headers. 'tis possible! It was a really strange deal because native calls to the dll that either didn't return anything, or only returned an int ran just fine. But native calls functions that returned a String crashed big time... --g >Howdy Ron! > [quoted text clipped - 6 lines] >just fine. But native calls functions that returned a String crashed >big time... You have the wrong headers. C doesn't require a prototype, so it made one up using the default return type as an int. So anything that returned a string or pointer etc don't work. Ron SignatureMetrowerks, maker of CodeWarrior - "Software Starts Here" Ron Liechty - MWRon@metrowerks.com - <http://www.metrowerks.com> |
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