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Working with 64-bit Software

Beginning in version 10.4, Mac OS X supports execution of 64-bit command-line tools. It is also possible to use a 32-bit Mac OS X front-end application to provide a user interface through careful use of client-server communication.

This document primarily covers general porting issues. Issues specific to 64-bit computing are beyond the scope of this document. For additional information on porting 64-bit software to Mac OS X, see the document 64-Bit Transition Guide.



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Last updated: 2008-04-08




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