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29283 Discussions

Transition to EM64T from IA32

mattsdad
Beginner
‎08-21-2007 12:23 PM
729 Views

In attempting to transition to EM64T compilations, I cannot get Visual Studio to link. The error message says:

Link: error: problem during multi-file optimization compilation (code 1)

Does EM64T need to have different optimization flags set than IA32? Which ones?

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Steven_L_Intel1
Employee
‎08-21-2007 12:28 PM
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Usually when you see this error it means that something went wrong during compilation - were there no other error messages?

Intel 64 (formerly EM64T) generally uses the same optimization switches as IA-32 except that some of the older /Qx options are not supported. /QxW is the default in 10.0.

You might also see this message if you were trying to link in corrupted libraries.
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mattsdad
Beginner
‎08-22-2007 06:12 AM
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I did a clean before the build and there were no other error messages. The external libraries being used are the same ones that were used for the IA32 build. Do I need to do something special to the libraries before using them?
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Steven_L_Intel1
Employee
‎08-22-2007 06:26 AM
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Yes, you have to rebuild them using the "EM64T" compiler.
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mattsdad
Beginner
‎08-22-2007 06:44 AM
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OK, I'll see if the providers of the libraries have versions that areforEM64T. Thanks!
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