Re: Issue re LLVM-GCC 4.2 compiler in Xcode 3.1
Re: Issue re LLVM-GCC 4.2 compiler in Xcode 3.1
- Subject: Re: Issue re LLVM-GCC 4.2 compiler in Xcode 3.1
- From: Bill Cheeseman <email@hidden>
- Date: Fri, 18 Jul 2008 09:45:09 -0400
- Thread-topic: Issue re LLVM-GCC 4.2 compiler in Xcode 3.1
on 2008-07-18 9:39 AM, William J. Cheeseman at email@hidden wrote:
> on 2008-07-18 9:04 AM, William J. Cheeseman at email@hidden wrote:
>
>> However, there is a setting called "Link-Time Optimization," with a check
>> box to turn it on. Am I right in thinking that this is the setting to use,
>> and that the Release Notes simply didn't catch up with the final Xcode UI?
>
> And I wonder what are the downsides of setting this option.
Well, I guess it doesn't matter, because my project won't build with this
option set, anyway. The linker error messages are "could not do LTO codegen:
error in assembly" and "duplicate symbol .objc_class_name_PENDING in
/tmp/lto.o and /tmp/lto.o" -- both of which lead to "Command
/Developer/usr/bin/livm-gcc-4.2 failed with exit code 1."
I'll just turn this setting off, because I don't think I care enough about
it to figure out what the problem is. But I am curious....
--
Bill Cheeseman - email@hidden
Quechee Software, Quechee, Vermont, USA
www.quecheesoftware.com
PreFab Software - www.prefabsoftware.com
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