RE: Cross OS version UB development
RE: Cross OS version UB development
- Subject: RE: Cross OS version UB development
- From: "Syd Polk" <email@hidden>
- Date: Sat, 24 Feb 2007 10:05:19 -0600
First of all, just because you can build for earlier OS versions does not
alleviate the burden of testing for those OS versions.
Xcode 2.4.1 supports building for 10.2, but you have to use gcc 3.3 for the
Power PC side to get it to work. You can also go digging around on the ADC
site, and find the Legacy Development package (I don't remember its exact
name). That package has gcc 3.1, gcc 2.95.2 and the Mac OS X 10.1 SDK. You
should be able to use those compilers and that SDK package to compile back
to 10.1. (gcc 3.3 and gcc 4.0 won't build binaries for 10.1) However, keep
in mind that there are no system precomps in the SDK packages or on your
machine, so your compiles are likely to be very slow. Also keep in mind that
there is no commitment by Apple to make this work. And, given the fact that
it is almost certain that all of the hardware you have is too new to run
10.1 (and maybe 10.2), you probably have no way to test.
10.3 is 3.5 years old now, 10.2 is 5 years old, and 10.1 is 5.5 years old.
At some point, you have to cut bait and require something newer.
> -----Original Message-----
> From: xcode-users-bounces+sydvicious=email@hidden
> [mailto:xcode-users-bounces+sydvicious=email@hidden
> ] On Behalf Of Theodore H. Smith
> Sent: Saturday, February 24, 2007 9:52 AM
> To: XCode Users
> Subject: Cross OS version UB development
>
> Hi people,
>
> What's the earliest OS I can cross compile for OS versions?
> Right now
> I'm using these settings.
>
> SDKROOT = /Developer/SDKs/MacOSX10.3.9.sdk
> MACOSX_DEPLOYMENT_TARGET_i386 = 10.4
> SDKROOT_i386 = /Developer/SDKs/MacOSX10.4u.sdk
>
> Now, what if I wanted to let PPC users run my library on MacOS 10.2?
> Is this possible? Whats the earliest OS I can cross compile for? I'd
> rather know than test it out for myself because I don't
> actually have
> MacOS10.2 or 10.1 or 10.0 installed.
>
>
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