Hi all, I have been trying to build webkit, and I keep getting the error below. Am I doing something wrong? === BUILDING NATIVE TARGET WebCore WITH CONFIGURATION Deployment === CompileC /Users/kjb/WebKitStuff/WebCore.build/Deployment/ WebCore.build/Objects-normal/ppc/WKArithmeticFilter.o kcanvas/device/ quartz/filters/WKArithmeticFilter.m normal ppc objective-c com.apple.compilers.gcc.4_0 mkdir /Users/kjb/WebKitStuff/WebCore.build/Deployment/ WebCore.build/Objects-normal/ppc cd /Users/kjb/WebCore setenv MACOSX_DEPLOYMENT_TARGET 10.3 /usr/bin/gcc-4.0 -x objective-c -arch ppc -pipe -Wno-trigraphs - fobjc-exceptions -fpascal-strings -fasm-blocks -g -Os -Werror - Wmissing-prototypes -DNDEBUG -DAPPLE_CHANGES -DSVG_SUPPORT -fmessage- length=0 -fobjc-direct-dispatch -fobjc-gc -mtune=G4 -I/Users/kjb/ WebKitStuff/WebCore.build/Deployment/WebCore.build/WebCore.hmap -Wall -W -Wcast-align -Wchar-subscripts -Wformat-security -Wmissing-format- attribute -Wpointer-arith -Wwrite-strings -Wno-format-y2k -Wno-unused- parameter -F/Users/kjb/WebKitStuff/Deployment -F/System/Library/ Frameworks/WebKit.framework/Frameworks -I/Users/kjb/WebKitStuff/ Deployment/include -IForwardingHeaders -I. -Iicu -I/usr/include/ libxslt -I/usr/include/libxml2 -I/Users/kjb/WebKitStuff/WebCore.build/ Deployment/WebCore.build/DerivedSources -include /Library/Caches/ com.apple.Xcode.501/SharedPrecompiledHeaders/WebCorePrefix- cgjafdppdqrbpdblhhikowhrlqpx/WebCorePrefix.h -c /Users/kjb/WebCore/ kcanvas/device/quartz/filters/WKArithmeticFilter.m -o /Users/kjb/ WebKitStuff/WebCore.build/Deployment/WebCore.build/Objects-normal/ppc/ WKArithmeticFilter.o In file included from /Users/kjb/WebCore/kcanvas/device/quartz/ filters/WKArithmeticFilter.m:26: /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.h: 28: error: cannot find interface declaration for 'CIFilter', superclass of 'WKArithmeticFilter' /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 28: error: parse error before '*' token cc1obj: warnings being treated as errors /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 28: warning: type defaults to 'int' in declaration of 'arithmeticFilter' /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 28: warning: data definition has no type or storage class /Users/kjb/WebCore/kcanvas/device/quartz/filters/ WKArithmeticFilter.m: In function '+[WKArithmeticFilter initialize]': /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 33: error: 'CIFilter' undeclared (first use in this function) /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 33: error: (Each undeclared identifier is reported only once /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 33: error: for each function it appears in.) /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 36: error: 'kCIAttributeFilterDisplayName' undeclared (first use in this function) /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 37: error: 'kCICategoryStylize' undeclared (first use in this function) /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 37: error: 'kCICategoryVideo' undeclared (first use in this function) /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 38: error: 'kCICategoryStillImage' undeclared (first use in this function) /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 38: error: 'kCICategoryNonSquarePixels' undeclared (first use in this function) /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 38: error: 'kCIAttributeFilterCategories' undeclared (first use in this function) /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 40: error: 'kCIAttributeMin' undeclared (first use in this function) /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 41: error: 'kCIAttributeDefault' undeclared (first use in this function) /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 42: error: 'kCIAttributeIdentity' undeclared (first use in this function) /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 43: error: 'kCIAttributeTypeScalar' undeclared (first use in this function) /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 43: error: 'kCIAttributeType' undeclared (first use in this function) /Users/kjb/WebCore/kcanvas/device/quartz/filters/ WKArithmeticFilter.m: At top level: /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 66: error: parse error before 'CIFilter' /Users/kjb/WebCore/kcanvas/device/quartz/filters/ WKArithmeticFilter.m: In function '-[WKArithmeticFilter init]': /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 74: warning: 'WKArithmeticFilter' may not respond to '-class' /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 74: warning: (Messages without a matching method signature /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 74: warning: will be assumed to return 'id' and accept /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 74: warning: '...' as arguments.) /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 77: error: 'CIKernel' undeclared (first use in this function) /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 78: warning: assignment from incompatible pointer type /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 80: error: no super class declared in @interface for 'WKArithmeticFilter' /Users/kjb/WebCore/kcanvas/device/quartz/filters/ WKArithmeticFilter.m: In function '-[WKArithmeticFilter outputImage]': /Users/kjb/WebCore/kcanvas/device/quartz/filters/WKArithmeticFilter.m: 86: warning: 'WKArithmeticFilter' may not respond to '-apply:' ** BUILD FAILED ** [powerbookg4:~] kjb%