苹果Mach-o链接器（ID）错误与此混淆

Question

我刚刚打开了在xcode 4.2中的xcode 3.1.5版本中创建的项目，并且遇到以下错误，有人可以在这方面帮助我。

1）

Ld /Users/hasmukh.mandavia/Library/Developer/Xcode/DerivedData/ARecipeViewer-cdsqawgcznmakicuonkiinivjeed/Build/Products/Debug-iphonesimulator/ARecipeViewer.app/ARecipeViewer normal i386
    cd /Users/hasmukh.mandavia/Desktop/DevelopmentArea/ARecipe
    setenv MACOSX_DEPLOYMENT_TARGET 10.6
    setenv PATH "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
    /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/clang -arch i386 -isysroot /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.0.sdk -L/Users/hasmukh.mandavia/Library/Developer/Xcode/DerivedData/ARecipeViewer-cdsqawgcznmakicuonkiinivjeed/Build/Products/Debug-iphonesimulator -L/Users/hasmukh.mandavia/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.0.sdk/lib -L/Users/hasmukh.mandavia/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.0.sdk/lib/gstreamer-0.10 -L/Users/hasmukh.mandavia/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.0.sdk/lib/pkgconfig -F/Users/hasmukh.mandavia/Library/Developer/Xcode/DerivedData/ARecipeViewer-cdsqawgcznmakicuonkiinivjeed/Build/Products/Debug-iphonesimulator -filelist /Users/hasmukh.mandavia/Library/Developer/Xcode/DerivedData/ARecipeViewer-cdsqawgcznmakicuonkiinivjeed/Build/Intermediates/ARecipeViewer.build/Debug-iphonesimulator/ARecipeViewer.build/Objects-normal/i386/ARecipeViewer.LinkFileList -mmacosx-version-min=10.6 -Xlinker -objc_abi_version -Xlinker 2 -lpocketsphinx -lsphinxbase -Xlinker -no_implicit_dylibs -D__IPHONE_OS_VERSION_MIN_REQUIRED=30100 -framework Foundation -framework UIKit -lsqlite3.0 -framework AudioToolbox -framework CFNetwork -liconv -lcv -lcxcore -framework CoreGraphics -framework QuartzCore -framework OpenGLES -o /Users/hasmukh.mandavia/Library/Developer/Xcode/DerivedData/ARecipeViewer-cdsqawgcznmakicuonkiinivjeed/Build/Products/Debug-iphonesimulator/ARecipeViewer.app/ARecipeViewer

ld: library not found for -lcv
Command /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/clang failed with exit code 1

2）

GenerateDSYMFile /Users/hasmukh.mandavia/Library/Developer/Xcode/DerivedData/ARecipeViewer-cdsqawgcznmakicuonkiinivjeed/Build/Products/Debug-iphonesimulator/ARecipeViewer.app.dSYM /Users/hasmukh.mandavia/Library/Developer/Xcode/DerivedData/ARecipeViewer-cdsqawgcznmakicuonkiinivjeed/Build/Products/Debug-iphonesimulator/ARecipeViewer.app/ARecipeViewer
    cd /Users/hasmukh.mandavia/Desktop/DevelopmentArea/ARecipe
    setenv PATH "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
    /Developer/usr/bin/dsymutil /Users/hasmukh.mandavia/Library/Developer/Xcode/DerivedData/ARecipeViewer-cdsqawgcznmakicuonkiinivjeed/Build/Products/Debug-iphonesimulator/ARecipeViewer.app/ARecipeViewer -o /Users/hasmukh.mandavia/Library/Developer/Xcode/DerivedData/ARecipeViewer-cdsqawgcznmakicuonkiinivjeed/Build/Products/Debug-iphonesimulator/ARecipeViewer.app.dSYM

error: unable to open executable '/Users/hasmukh.mandavia/Library/Developer/Xcode/DerivedData/ARecipeViewer-cdsqawgcznmakicuonkiinivjeed/Build/Products/Debug-iphonesimulator/ARecipeViewer.app/ARecipeViewer'

Answer 1

1.）如第一个错误所述

ld: library not found for -lcv

这意味着您的项目需要一个用于'cv'的静态库，并且该库不在您的项目中或放置在其他位置（如果正在使用）

要么

您要在构建设置中放置其他编译器标志（如果您未在代码中使用该库）。 在构建设置中遵循编译器标志。

-liconv -lcv -lcxcore

将简历库放在正确的位置。（以便可以将其包含在项目中）。

2.）第二个错误可能是因为尚未在派生数据目录中创建.app文件。 去错误显示的路径，即。 并验证.app文件是否存在。

error: unable to open executable '/Users/hasmukh.mandavia/Library/Developer/Xcode/DerivedData/ARecipeViewer-cdsqawgcznmakicuonkiinivjeed/Build/Products/Debug-iphonesimulator/ARecipeViewer.app/ARecipeViewer'