Apple Mach-O Linker Error in xcode 6

ios objective-c clang xcode6.1 mach-o
Naveen Kumar picture Naveen Kumar · Dec 1, 2014 · Viewed 16.8k times · Source

I was adding new UITableView delegate method in my code and suddenly i got one error while compiling like this .My Xcode version is Version 6.1 (6A1046a)

Ld /Users/apple/Library/Developer/Xcode/DerivedData/Med-emhoezxvdfnzwvfvktteeafyndtq/Build/Products/Debug-iphoneos/MedTests.xctest/MedTests normal arm64
    cd /Users/apple/Documents/med
    export IPHONEOS_DEPLOYMENT_TARGET=8.1
    export PATH="/Applications/Xcode 2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode 2.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
    /Applications/Xcode\ 2.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch arm64 -bundle -isysroot /Applications/Xcode\ 2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.1.sdk -L/Users/apple/Library/Developer/Xcode/DerivedData/Med-emhoezxvdfnzwvfvktteeafyndtq/Build/Products/Debug-iphoneos -F/Users/apple/Library/Developer/Xcode/DerivedData/Med-emhoezxvdfnzwvfvktteeafyndtq/Build/Products/Debug-iphoneos -F/Applications/Xcode\ 2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.1.sdk/Developer/Library/Frameworks -F/Applications/Xcode\ 2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F/Applications/Xcode\ 2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.1.sdk/Developer/Library/Frameworks -filelist /Users/apple/Library/Developer/Xcode/DerivedData/Med-emhoezxvdfnzwvfvktteeafyndtq/Build/Intermediates/Med.build/Debug-iphoneos/MedTests.build/Objects-normal/arm64/MedTests.LinkFileList -Xlinker -rpath -Xlinker @executable_path/Frameworks -Xlinker -rpath -Xlinker @loader_path/Frameworks -dead_strip -bundle_loader /Users/apple/Library/Developer/Xcode/DerivedData/Med-emhoezxvdfnzwvfvktteeafyndtq/Build/Products/Debug-iphoneos/Med.app/Med -framework XCTest -fobjc-arc -fobjc-link-runtime -miphoneos-version-min=8.1 -Xlinker -dependency_info -Xlinker /Users/apple/Library/Developer/Xcode/DerivedData/Med-emhoezxvdfnzwvfvktteeafyndtq/Build/Intermediates/Med.build/Debug-iphoneos/MedTests.build/Objects-normal/arm64/MedTests_dependency_info.dat -o /Users/apple/Library/Developer/Xcode/DerivedData/Med-emhoezxvdfnzwvfvktteeafyndtq/Build/Products/Debug-iphoneos/MedTests.xctest/MedTests

ld: file not found: /Users/apple/Library/Developer/Xcode/DerivedData/Med-emhoezxvdfnzwvfvktteeafyndtq/Build/Products/Debug-iphoneos/Med.app/Med
clang: error: linker command failed with exit code 1 (use -v to see invocation)

I have tried my backup versions too but none of them are working now,please help me

Answer

Puvanarajan picture Puvanarajan · Dec 1, 2014

I am also had these kind of issue. Then I create the new schema. Then it worked. Just try.

Change the schema or create new schema enter image description here

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