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Xcode 2.2 precomp link warning

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Xcode 2.2 precomp link warning

Subject: Xcode 2.2 precomp link warning
From: Ricky Sharp <email@hidden>
Date: Fri, 11 Nov 2005 20:54:48 -0600

I just moved my Cocoa application and IB palette projects from Xcode 2.1 to 2.2. All projects target the 10.4u SDK and are built as universal binaries. I have Mac OS X 10.4.3

My palettes build a-ok. However, in the Development config of the app project, I receive the following link warning:

/usr/bin/ld: warning /Library/Caches/com.apple.Xcode.501/ SharedPrecompiledHeaders/Drills_Prefix-fwqjojpadsxwrxgacyvlyoodmshw/ Drills_Prefix.pch.gch.o cputype (18, architecture ppc) does not match cputype (7) for specified -arch flag: i386 (file not loaded)

I do not get this at all when building the Deployment config.

I've verified that all the various pre-comp related settings are identical between the build configurations. I also removed all my project's files from /Library/Caches/com.apple.Xcode.501/ SharedPrecompiledHeaders/

All builds were clean builds.

I then verified that when starting with the cleaned up SharedPrecompiledHeaders folder, rebuilding the development config does place two separate folders there (one for each architecture):

Drills_Prefix-chzpntfyligspuachignccqupqqt
Drills_Prefix-fwqjojpadsxwrxgacyvlyoodmshw

Building the deployment config also put two folders there:

Drills_Prefix-eapckbdurdbcrdfnzmtyiumsppjo
Drills_Prefix-ebwbfevlxeeilpejzjuhkmllplml


The dev folders contain these files:

Drills_Prefix.pch.gch
Drills_Prefix.pch.gch.hash-criteria
Drills_Prefix.pch.gch.o

The deploy folders contain these files:

Drills_Prefix.pch.gch
Drills_Prefix.pch.gch.hash-criteria

Finally, I compared the .gch files to ensure that each architecture produced a different file. That checked out a-ok. However, the .gch.o files were almost identical (only 1 byte was different). I would have expected the .o files to be quite a bit different. Perhaps the one byte difference is a timestamp?

Is this a bug in Xcode or perhaps bad settings on my part?


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Ricky A. Sharp         mailto:email@hidden
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Follow-Ups:

Re: Xcode 2.2 precomp link warning
From: Greg Hurrell <email@hidden>
XCode 2.2 on CD/DVD ?
From: Cyril Kardassevitch <email@hidden>


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