本文转载至 http://stackoverflow.com/questions/25871601/unable-to-run-kiwi-tests-on-ios8-device
 
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I am trying to run Kiwi (installed via CocoaPods) tests on iOS8 device but the build fails with the following linking errors: ld: warning: ignoring file /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/Library/Frameworks/XCTest.framework/XCTest, missing required architecture armv7 in file /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/Library/Frameworks/XCTest.framework/XCTest (2 slices)
Undefined symbols for architecture armv7:
  "_OBJC_METACLASS_$_XCTestSuite", referenced from:
      _OBJC_METACLASS_$__KWAllTestsSuite in libPods-TestTests.a(KWAllTestsSuite.o)
  "_OBJC_CLASS_$_XCTestSuite", referenced from:
      _OBJC_CLASS_$__KWAllTestsSuite in libPods-TestTests.a(KWAllTestsSuite.o)
      objc-class-ref in libPods-TestTests.a(KWAllTestsSuite.o)
      l_OBJC_$_CATEGORY_XCTestSuite_$_KWConfiguration in libPods-TestTests.a(KWAllTestsSuite.o)
  "_OBJC_METACLASS_$_XCTestCase", referenced from:
      _OBJC_METACLASS_$_TestTests in TestTests.o
      _OBJC_METACLASS_$_KWSpec in libPods-TestTests.a(KWSpec.o)
  "_OBJC_CLASS_$_XCTestCase", referenced from:
      _OBJC_CLASS_$_TestTests in TestTests.o
      _OBJC_CLASS_$_KWSpec in libPods-TestTests.a(KWSpec.o)
  "__XCTFailureHandler", referenced from:
      -[TestTests testExample] in TestTests.o
  "__XCTFailureFormat", referenced from:
      -[TestTests testExample] in TestTests.o
  "_OBJC_EHTYPE_$__XCTestCaseInterruptionException", referenced from:
  GCC_except_table2 in TestTests.o
ld: symbol(s) not found for architecture armv7
 Tests are building and running on every available simulator. XCTest tests without Kiwi are being built and run succesfully on iOS 8 device as well. Sample project: https://www.dropbox.com/s/k3la6zlc0i335ig/Test.zip | 
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Try to add $(PLATFORM_DIR)/Developer/Library/Frameworksto your project's Build Settings => Framework Search Paths ![enter image description here]()
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