Tips to deploy applications to multiple Mac OS X versions
Tips to deploy applications to multiple Mac OS X versions
- Subject: Tips to deploy applications to multiple Mac OS X versions
- From: Lorenzo Bevilacqua <email@hidden>
- Date: Wed, 9 Apr 2008 16:43:35 +0200
Hi,
I'm trying to build a Cocoa application so that it can run on Mac OS X
from version 10.3.9 to 10.5.
I have 10.5 installed so the application runs fine on my system and on
other Leopard systems.
I haven't build a project for multiple platforms yet, so I tried to
duplicate the main Xcode target and set different deployment target
settings like
myApp for Leopard MACOSX_DEPLOYMENT_TARGET set to 10.5
myApp for Tiger MACOSX_DEPLOYMENT_TARGET set to 10.4
myApp for Panther MACOSX_DEPLOYMENT_TARGET set to 10.3
The SDK I use is the Leopard one.
Till now all Ok, but when I try to compile for example the Tiger
target I get some errors (mainly about fast enumeration). Thus I have
some questions:
- It is correct to proceed like I described above?
- Does the Objective-C 2.0 fast enumeration make sense to be used? I
mean, if I don't use it, will my application perform worse on Leopard?
- Is there a way to differentiate part of code by platform? I remember
I saw in some files lines like this
#if MACOSX_DEPLOYMENT_TARGET == MAC_OS_X_VERSION_10_4
#endif
is this correct?
Thanks,
Lorenzo Bevilacqua
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