error: linker command failed with exit code 1 (use -v to see invocation)

Question

我打算将 xcode 4.3 升级到 xcode 6，而运行我得到了 issue.Please 帮助我。

Ld Derived data/Build/Products/Debug-iphonesimulator/QR\ codeTests.octest/QR\ codeTests normal i386
    cd "/Users/iMac7/Desktop/Receipt Scan by vinod "
    export IPHONEOS_DEPLOYMENT_TARGET=5.0
    export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch i386 -bundle -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator8.2.sdk -L/Users/iMac7/Desktop/Receipt\ Scan\ by\ vinod\ /ramesh/Build/Products/Debug-iphonesimulator -F/Users/iMac7/Desktop/Receipt\ Scan\ by\ vinod\ /Derived data/Build/Products/Debug-iphonesimulator -F/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator8.2.sdk/Developer/Library/Frameworks -F/Applications/Xcode.app/Contents/Developer/Library/Frameworks -filelist /Users/iMac7/Desktop/Receipt\ Scan\ by\ vinod\ /Derived data/Build/Intermediates/Warranty\ Info.build/Debug-iphonesimulator/QR\ codeTests.build/Objects-normal/i386/QR\ codeTests.LinkFileList -bundle_loader /Users/iMac7/Desktop/Receipt\ Scan\ by\ vinod\ /Derived data/Build/Products/Debug-iphonesimulator/QR\ code.app/QR\ code -Xlinker -objc_abi_version -Xlinker 2 -fobjc-link-runtime -Xlinker -no_implicit_dylibs -mios-simulator-version-min=5.0 -framework UIKit -framework Foundation -Xlinker -dependency_info -Xlinker /Users/iMac7/Desktop/Receipt\ Scan\ by\ vinod\ /Derived data/Build/Intermediates/Warranty\ Info.build/Debug-iphonesimulator/QR\ codeTests.build/Objects-normal/i386/QR\ codeTests_dependency_info.dat -o /Users/iMac7/Desktop/Receipt\ Scan\ by\ vinod\ //Build/Products/Debug-iphonesimulator/QR\ codeTests.octest/QR\ codeTests

Answer 1

退出xcode 6 并在xcode中打开5.i得到错误255。在 xcode 6 中解决这个问题后，我运行得到了解决方案。

error: linker command failed with exit code 1 (use -v to see invocation)

error: linker command failed with exit code 1 (use -v to see invocation)

xcode6

ios8.1