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Eclipse 64 on Win7, why not?

May 5, 2011 - 11:17am #1

Why is the 32 bit version of Eclipse recommended for Win7? - I'd noticed this recommendation in the Getting Started guide, though the guide also states that other versions of Eclipse are viable.

Quote:

WIN64: We recommend that you use the "Windows 32 Bit" version of Eclipse even on Windows 7 64bit development environments.

This issue w/ using Eclipse 32 is that it requires the 32 bit JDK as well. There's an issue loading the JNI shared library otherwise - e.g. Eclipse 32 can't find JDK 64's JNI dll, and there doesn't appear to be any work around.

Is it best to stick w/ a 32 bit build environment for QCAR?

Re: Eclipse 64 on Win7, why not?

May 15, 2011 - 8:42am #4

Well I've built and run all of the native samples, and Unity samples, and everything appears to be fine - no issues. Though I haven't tested the entire API yet. The set-up of the build environment is identical to the steps outline in the Getting Started docs. I didn't even need to tweak anything.

The one factor that may be relevant to development with Unity is that Unity appears to be 32 bit, which may need to be accounted for if you want to extend that environment by developing plugins.

Re: Eclipse 64 on Win7, why not?

May 5, 2011 - 12:07pm #3

OK. So it's not a hard restriction.

We're setting up a new Win7 environment for Unity and QCAR. I'll post back with the results.

thnx for the quick reply.

Re: Eclipse 64 on Win7, why not?

May 5, 2011 - 11:42am #2

We use 32-bit versions during development, so it's the setup we've tested and officially support. 64-bit versions should work as well, however. Let us know if you run into any issues.

- Kim

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