帮助，我的智慧结束 - 有时候我的Xcode会运行 - 有时我不会继续
我安装了Xcode 4.1然后升级到4.2
我甚至无法运行一个新制作的项目:(
ProcessPCH /Users/david/Library/Developer/Xcode/DerivedData/iDecide-eurvfbqsagnsmkgdvuhytbalyxkj/Build/PrecompiledHeaders/iDecide-Prefix-fjnitkqizspbsgezzdhvfinujnhz/iDecide-Prefix.pch.pth iDecide / iDecide-Prefix.pch normal i386 objective-c com . apple.compilers.llvm.clang.1_0.compiler cd / Users / david / Documents / tmp / iDecide setenv LANG en_US.US-ASCII setenv PATH“/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/ USR /斌：/Users/david/.rvm/gems/ruby-1.9.2-p180/bin：/Users/david/.rvm/gems/ruby-1.9.2-p180@global/bin：/用户/大卫/.rvm/rubies/ruby-1.9.2-p180/bin:/Users/david/.rvm/bin:/Users/david/apache-maven-3.0.3/bin:/usr/local/bin:/usr /bin:/bin:/usr/sbin:/sbin:/usr/X11/bin:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/bin:/usr/local/Cellar/android -sdk / R15 /平台的工具：/Users/david/groovy-1.8.2/bin：/Users/david/grails-1.3.7/bin：在/ usr / local / lib目录/ node_modules：在/ usr / local / share下/aclocal:/usr/local/Cellar/liquibase/2.0.3/libexec“/usr/bin/gcc-4.2 -x objec tive-c-header -arch i386 -fmessage-length = 0 -fdiagnostics-print-source-range-info -fdiagnostics-show-category = id -fdiagnostics-parseable-fixits -std = gnu99 -fobjc-arc -Wno-trigraphs -fpascal-strings -O0 -Wmissing-prototypes -Wreturn-type -Wharentheses -Wswitch -Wno-unused-parameter -Wunused-variable -Wunused-value -Wno-shorten-64-to-32 -DDEBUG = 1 -isysroot / Developer /Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.0.sdk -fexceptions -fasm-blocks -mmacosx-version-min = 10.6 -gdwarf-2 -Wno-sign-conversion -fobjc-abi-version = 2 -fobjc -legacy-dispatch“-DIBOutlet = attribute（（iboutlet））”“ - DIBOutletCollection（ClassName）= attribute（（iboutletcollection（ClassName）））”“ - DIBAction = void”属性（（ibaction）“ - D__IPHONE_OS_VERSION_MIN_REQUIRED = 50000 -iquote /Users/david/Library/Developer/Xcode/DerivedData/iDecide-eurvfbqsagnsmkgdvuhytbalyxkj/Build/Intermediates/iDecide.build/Debug-iphonesimulator/iDecide.build/iDecide-generated-files.hmap -I / Users / david / Library / Developer / Xcode中/ DerivedD ata / iDecide-eurvfbqsagnsmkgdvuhytbalyxkj / Build / Intermediates / iDecide.build / Debug-iphonesimulator / iDecide.build / iDecide-own-target-headers.hmap -I / Users / david / Library / Developer / Xcode / DerivedData / iDecide-eurvfbqsagnsmkgdvuhytbalyxkj / Build / Intermediates / iDecide.build / Debug-iphonesimulator / iDecide.build / iDecide-all-target-headers.hmap -iquote / Users / david / Library / Developer / Xcode / DerivedData / iDecide-eurvfbqsagnsmkgdvuhytbalyxkj / Build / Intermediates / iDecide . build / Debug-iphonesimulator / iDecide.build / iDecide-project-headers.hmap -I / Users / david / Library / Developer / Xcode / DerivedData / iDecide-eurvfbqsagnsmkgdvuhytbalyxkj / Build / Products / Debug-iphonesimulator / include -I / Users / david / Library / Developer / Xcode / DerivedData / iDecide-eurvfbqsagnsmkgdvuhytbalyxkj / Build / Intermediates / iDecide.build / Debug-iphonesimulator / iDecide.build / DerivedSources / i386 -I / Users / david / Library / Developer / Xcode / DerivedData / iDecide- eurvfbqsagnsmkgdvuhytbalyxkj /编译/中间体/ iDecide.build /调试-iphonesimulator / iDecide.build / DERIV edSources -F / Users / david / Library / Developer / Xcode / DerivedData / iDecide-eurvfbqsagnsmkgdvuhytbalyxkj / Build / Products / Debug-iphonesimulator -c /Users/david/Documents/tmp/iDecide/iDecide/iDecide-Prefix.pch -o / Users / david / Library / Developer / Xcode / DerivedData / iDecide-eurvfbqsagnsmkgdvuhytbalyxkj / Build / PrecompiledHeaders / iDecide-Prefix -fjnitkqizspbsgezzdhvfinujnhz / iDecide-Prefix.pch.pth -MMD -MT dependencies -MF / Users / david / Library / Developer / Xcode /DerivedData/iDecide-eurvfbqsagnsmkgdvuhytbalyxkj/Build/PrecompiledHeaders/iDecide-Prefix-fjnitkqizspbsgezzdhvfinujnhz/iDecide-Prefix.pch.d cc1obj：错误：无法识别的命令行选项“-Wno-sign-conversion”cc1obj：错误：无法识别的命令行选项“ - fdiagnostics-print-source-range-info“cc1obj：error：unrecognized command line option”-fdiagnostics-show-category = id“cc1obj：error：unrecognized command line option”-fdiagnostics-parseable-fixits“cc1obj：error：unrecognized command行选项“-fobjc-arc”命令/usr/bin/gcc-4.2失败了h退出代码1