Re: Invalid PCH file warning?

Subject: Re: Invalid PCH file warning?
From: Chris Espinosa <email@hidden>
Date: Mon, 25 Jul 2005 08:17:38 -0700
Delivered-to: email@hidden
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On Jul 25, 2005, at 7:58 AM, Scott Andrew wrote:

I have changed my compiler options for my target to use GC 3.3 so I can run on OS's older than 10.4. I now get a warning about invalid pch files. If I blow the cache away that has the pch file i can build with no warning, but then I get the warning again. How do I stop this warning from appearing?

The warning is:

<x-tad-smaller>cc1objplus: /Library/Caches/com.apple.Xcode.501/SharedPrecompiledHeaders/IPhoto2PBase_Prefix-afniqnohmyuxfbbegkjrbrjnabdf/IPhoto2PBase_Prefix.pch: No such file or directory</x-tad-smaller>
<x-tad-smaller>cc1objplus: one or more PCH files were found, but they were invalid</x-tad-smaller>
<x-tad-smaller>cc1objplus: use -Winvalid-pch for more information
</x-tad-smaller>

This is a bug where the Predictive Compilation feature generates (in the background) a precomp that the full build can't use. We'll address this in Xcode 2.2.

Chris

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