iPhone gcc-4.2失败，退出代码为1

救命啊，我真是束手无策——有时候我的Xcode会运行——有时候我不停地运行

我安装了Xcode 4.1，然后升级到4.2

我甚至不能运行一个新创建的项目：(

过程PCH /Users/david/Library/Developer/Xcode/DerivedData/iDecide eurvfbqsagnsmkgdvuhytbalyxkj/Build/precompiledbheaders/iDecide前缀fjnitkqizspsgezzdhvfinujnhz/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路径"/开发者/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/Users/david/.rvm/gems/ruby-1.9.2-p180/bin:/Users/david/.rvm/gems/ruby-1.9.2-p180@global/bin:/Users/david/.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:/usr/sbin:/sbin:/usr/X11/bin:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/bin:/usr/local/ceral/android sdk/r15/platform tools:/Users/david/groovy-1.8.2/bin:/Users/david/grails-1.3.7/bin:/usr/local/lib/node_modules:/usr/local/share/aclocal:/usr/local/ceral/liquibase/2.0.3/libexec“ /usr/bin/gcc-4.2-x objective-c-header-arch i386-fmessage length=0-fddiagnostics print source range info-fddiagnostics show category=id-fddiagnostics可解析fixits-std=gnu99-fobjc arc-Wno trigraphs-fpascal strings-O0-Wmissing prototype-wrethes-wparenthes-Wswitch-Wno未使用的参数-Wunused变量-Wunused value-Wno shorten-64-to-32-DDEBUG=1-isysroot/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.0.sdk -FEExceptions-fasm blocks-mmacosx版本min=10.6-gdwarf-2-Wno符号转换-fobjc abi版本=2-fobjc遗留调度“-DIBOutlet=属性（（iboutlet））” “-DIBOutletCollection（ClassName）=属性（（iboutletcollection（ClassName））” “-DIBAction=void）属性（（ibaction）” -D_uiPhone_OS_VERSION_MIN_REQUIRED=50000-iNote/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/DerivedData/iDecide eurvfbqsagnsmkgdvuhytbalyxkj/Build/Intermediates/iDecide.Build/Debug-iphonesimulator/iDecide.Build/iDecide-own-target-headers.hmap -I/Users/david/Library/Developer/Xcode/DerivedData/iDecide EURVBQSANGNSMKdVuhyttalyXJ/Build/Intermediates/iDecide.Build/Debug-iphone模拟器/iDecide.Build/iDecide-all-target-headers.hmap -iNote/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/Build/Intermediates/iDecide.Build/Debug-iphonesimulator/iDecide.Build/DerivedSources -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/precompiledbheaders/iDecide-Prefix fjnitkqizspsgezzdhvfinujnhz/iDecide-Prefix.pch.pth -MMD-MT依赖项-MF/Users/david/Library/Developer/Xcode/DerivedData/iDecide eurvfbqsagnsmkgdvuhytbalyxkj/Build/PrecompiledHeaders/iDecide前缀fjnitkqizspsgezzdhvfinujnhz/iDecide Prefix.pch.d

cc1obj:错误：无法识别的命令行选项“-Wno符号转换” cc1obj:错误：无法识别的命令行选项 “-FDDiagnostics打印源范围信息”cc1obj:错误：无法识别 命令行选项“-fdiagnostics show category=id”cc1obj:错误： 无法识别的命令行选项“-fdiagnostics可解析修复” cc1obj:错误：无法识别的命令行选项“-fobjc arc”命令 /usr/bin/gcc-4.2失败，退出代码为1