Re: XCode 2.0 broken?

Subject: Re: XCode 2.0 broken?

From: Matthew Formica <email@hidden>

Date: Fri, 20 May 2005 09:22:12 -0700

Delivered-to: email@hidden

On May 19, 2005, at 10:24 PM, Nick Zitzmann wrote:

On May 19, 2005, at 5:00 AM, Zdzislaw Losvik wrote:

Could it be confirmed that XCode 2.0 and gcc 4.0 cannot produce prebound code for Mac OS 10.2.8?

Xcode 2 doesn't generate code. GCC 4.0 can not produce _any_ code for Mac OS X 10.2.8, unless you somehow figured out a way to get GCC 4 to not depend on the libmx library.

You could get gcc 4.0 to build code for 10.2.8 by passing -nodefaultlibs in OTHER_CFLAGS and then explicitly linking against libSystem.dylib. When I do this, things seem to work fine (at the hello world level of testing).

I have read some unofficial suggestions that code has to be prebound for systems earlier than 10.3.8(?). Is that true?

No. Code doesn't have to be prebound. In one of the 10.3 point releases (IIRC it was .4), the linker was optimized so prebinding was no longer necessary to obtain faster load times on older hardware, so it's not that big a deal unless you're targeting users with Bondi iMacs running OS X 10.2.x.

dyld was optimized to make prebinding unnecessary starting in 10.3.4.

Nick Zitzmann
<http://seiryu.home.comcast.net/>
S/MIME signature available upon request

Regards,

Matthew Formica

Cocoa & Developer Tools Evangelist

email@hidden

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References:

>XCode 2.0 broken? (From: Zdzislaw Losvik <email@hidden>)

>Re: XCode 2.0 broken? (From: Nick Zitzmann <email@hidden>)

>Re: XCode 2.0 broken? (From: Zdzislaw Losvik <email@hidden>)

>Re: XCode 2.0 broken? (From: Byron Wright <email@hidden>)

>Re: XCode 2.0 broken? (From: Chris Espinosa <email@hidden>)

>Re: XCode 2.0 broken? (From: Zdzislaw Losvik <email@hidden>)

>Re: XCode 2.0 broken? (From: Nick Zitzmann <email@hidden>)