Anybody else get this problem whilst building? CompileC /Users/robert/.build/WebKit.build/WebKit.build/Objects- normal/ppc/WebHistoryItem.o History.subproj/WebHistoryItem.m normal ppc objective-c com.apple.compilers.gcc.4_0 setenv MACOSX_DEPLOYMENT_TARGET 10.3 cd /Users/robert/Programming/Objective-C/WebKit /usr/bin/gcc-4.0 -x objective-c -arch ppc -pipe -Wno-trigraphs - fpascal-strings -fasm-blocks -g -Os -Werror -Wmissing-prototypes - DNDEBUG -DFRAMEWORK_NAME=WebKit -fmessage-length=0 -fobjc-direct- dispatch -fobjc-gc -mtune=G4 -I/Users/robert/.build/WebKit.build/ WebKit.build/WebKit.hmap -Wall -W -Wcast-align -Wchar-subscripts - Wformat-security -Wmissing-format-attribute -Wpointer-arith -Wwrite- strings -Wno-format-y2k -Wno-unused-parameter -F/Users/robert/.build - F/System/Library/Frameworks/WebKit.framework/Frameworks -F/System/ Library/Frameworks/ApplicationServices.framework/Frameworks -F/System/ Library/Frameworks/Carbon.framework/Frameworks -F/System/Library/ PrivateFrameworks -F/Users/robert/.build/WebKit.build/WebKit.build/ DerivedSources -I/Users/robert/.build/include -I/Users/robert/.build/ usr/local/include -Iicu -I/Users/robert/.build/WebKit.build/ WebKit.build/DerivedSources -Wbad-function-cast -Wmissing- declarations -Wnested-externs -include /Users/robert/.build/ WebKit.build/SharedCaches/WebKitPrefix-dchauuscogpubwcnhifqbwhayxnq/ WebKitPrefix.h -c /Users/robert/Programming/Objective-C/WebKit/ History.subproj/WebHistoryItem.m -o /Users/robert/.build/WebKit.build/ WebKit.build/Objects-normal/ppc/WebHistoryItem.o /Users/robert/Programming/Objective-C/WebKit/History.subproj/ WebHistoryItem.m:45:34: error: WebKitSystemInterface.h: No such file or directory