[FAQ] Re: Precompiled header problem

Subject: [FAQ] Re: Precompiled header problem

From: Chris Espinosa <email@hidden>

Date: Tue, 11 Jul 2006 08:55:15 -0700

Delivered-to: email@hidden

On Jul 11, 2006, at 2:21 AM, James Closs wrote:

I have changed the name of a header file in my project and, despite multiple cleans etc, the target seems to be referencing the old header file. I keep getting the following error:

ProcessPCH++ /Library/Caches/com.apple.Xcode.501/SharedPrecompiledHeaders/AUDemo_Prefix-ddpdweikpgqscvgcmkgmiuubltig/AUDemo_Prefix.pch.gch AUDemo_Prefix.pch normal ppc c++ com.apple.compilers.gcc.4_0

cd "/Volumes/docs/development/audio/DSP Library"

/usr/bin/gcc-4.0 -x c++-header -arch ppc -pipe -Wno-trigraphs -fpascal-strings -fasm-blocks -g -O0 -fmessage-length=0 -mtune=G4 -fvisibility-inlines-hidden -mfix-and-continue -I/Volumes/docs/development/audio/DSP\ Library/build/dsp.build/Development/AUDemo.build/AUDemo.hmap -Wmost -Wno-four-char-constants -Wno-unknown-pragmas -O0 -F/Volumes/docs/development/audio/DSP\ Library/build/Development -I/Volumes/docs/development/audio/DSP\ Library/build/Development/include -I/Volumes/docs/development/audio/DSP\ Library/build/dsp.build/Development/AUDemo.build/DerivedSources -c /Volumes/docs/development/audio/DSP\ Library/AUDemo_Prefix.pch -o /Library/Caches/com.apple.Xcode.501/SharedPrecompiledHeaders/AUDemo_Prefix-ddpdweikpgqscvgcmkgmiuubltig/AUDemo_Prefix.pch.gch

powerpc-apple-darwin8-gcc-4.0.1: /Volumes/docs/development/audio/DSP Library/AUDemo_Prefix.pch: No such file or directory

powerpc-apple-darwin8-gcc-4.0.1: warning: '-x c++-header' after last input file has no effect

powerpc-apple-darwin8-gcc-4.0.1: no input files

AUDemo_Prefix.pch exists nowhere in my target. I've tried manually deleting all caches and turning off 'predictive compilation' but still get the error. Can anyone help?

The name of the precompiled header prefix is set in your Target Settings. Changing the name of the file doesn't automatically change the setting. (This is also true for the Info.plist file, Exported/Unexported Symbols file, Rez Prefix, and all other file- and path-based build settings).

1) Choose "Edit Current Target" from the Project menu

2) Set the popup to "All Configurations" (because you want to change this for both Debug and Release)

3) Type "Prefix" into the search panel; you should see the "Prefix File" build setting

4) Double-click the Value column and type in the new name of the file

Chris

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References:

>Precompiled header problem (From: James Closs <email@hidden>)