Re: thin linking: "file is not of required architecture"
Re: thin linking: "file is not of required architecture"
- Subject: Re: thin linking: "file is not of required architecture"
- From: Peter O'Gorman <email@hidden>
- Date: Wed, 23 Apr 2008 14:48:30 -0500
Greg Guerin wrote:
Hi Greg,
I think you are mixing up two emails here.
> Philip K.F. Hölzenspies wrote:
I wrote (not Philip, he just replied to my email):
>
>> > I have downloaded one of the Xcode-3.1 beta versions so may have a
>> newer
>> > ld version to you.
>
Greg Guerin wrote:
> The release notes tell you:
> 1. That Xcode 3.1 beta is under NDA, not for public discussion.
Mentioning that I installed it is not a violation of the NDA, is it?
Here, I attempted to reproduce Philip's problem, based on what I had
read about it, not actually Philip's fault.
I wrote:
>> Here is an attempt to reproduce:
>> >
>> > mb% echo 'int x=1;' > x.c
>> > mb% echo 'int y=1;' > y.c
[snip]
I wrote:
>> > Now the 'ld warning: -arch not specified' for the ld -r is simply
>> > because there were no actual input files (the shared libraries are not
>> > included in the output) so ld could not guess the arch.
>
Greg Guerin wrote:
> This is the wrong diagnosis. The original 'ld -r' has two existing
> input files, both clearly visible with 'ls'. An output file is
> produced, z.o, which appears to work when actually used to produce an
> executable. Ld's warning message is simply irrelevant.
>
If you look at the z.o that is created when the "input files" are two
shared libraries, you will see that it is empty (just the mach-o header
etc, no symbols) because shared libraries are not a type that can be
included in an MH_OBJECT file. I will report this as a bug .. 5884356.
Peter
--
Peter O'Gorman
http://pogma.com
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