Panther support in Universal Binaries?
Panther support in Universal Binaries?
- Subject: Panther support in Universal Binaries?
- From: Andrew Zamler-Carhart <email@hidden>
- Date: Tue, 7 Jun 2005 17:29:37 +0200
Dear List,
I would like to add Intel support to my applications while
maintaining Panther compatibility on PowerPC. Is this possible?
The Universal Binary Programming Guidelines (page 14) seems to imply
that you need to target 10.4 to build for Intel:
When you are ready to test your application on both architectures,
you’ll want to use the Release configuration... As with the Default
and Debug configurations, you’ll want to set the Mac OS X
Deployment Target to Mac OS X 10.4 and the SDK root to
MacOSX10.4u.sdk.
But it also says (page 16):
Xcode has per-architecure SDK support. For example, you can target
Mac OS X v10.3 for PowerPC while also targeting Mac OS X v10.4.1
for Intel.
How do I do that? I only see one place per project to choose the SDK
(Project Info > General).
The guidelines continue with:
For information on building with version-specific SDKs for PowerPC
(Mac OS X v10.3, v10.2, and so forth) while still building for a
Macintosh using an Intel microprocessor, see Using Cross
Development in Xcode, in the Xcode 2.0 User Guide.
Well that document doesn't really explain what to do, since Xcode 2.0
didn't have multiple architecture support. (At least not the version
that Apple shipped to developers. I'm sure they had internal version
tweaked to compile Mac OS X for Intel over the last five years... )
Best regards,
Andrew
KavaSoft
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