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I am currently trying to build my project in Xcode 5. Build fails with error:

Dependency Analysis Error: missing compiler specification <XCCompilerSpecification: Some memory address here :'com.apple.compilers.llvmgcc42':MISSING:Default> for file

for all code files in project.

The project used to be built in Xcode 4.6 with LLVM 4.2 and now Xcode 5 only supports LLVM 5. So there is obviously something related to that here.

I have set the build settings in Xcode 5 to use LLVM 5 and the build still fails for the same reason. Has anyone encountered this before and know how to stop Xcode 5 from looking for LLVM 4.2 which it no longer supports?

This question is as a result of iOS 6 vs 7 appearance build settings

Community
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ansonl
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  • what happens when you do a clean and then rebuild? – Michael Dautermann Sep 28 '13 at 21:27
  • Cleaning the project fails due to the same problems. The memory addresses stay constant throughout the same run of Xcode. Relaunching Xcode changes the memory address. – ansonl Sep 28 '13 at 21:56
  • Are you using some custom linker flags and such? – Simon Germain Sep 29 '13 at 02:24
  • @SimonGermain, I am not using custom linker flags. Although I tried to remove a framework search path for the Reveal App framework. Now there is only a $(inherited) _non-recursive_ under Framework Search Paths and Library Search Paths. The build and clean actions still fail. – ansonl Sep 29 '13 at 13:12
  • What's the compiler set to in the project settings? – trojanfoe Sep 30 '13 at 09:30

3 Answers3

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I had a same problem and I found that under Project-> Build Rules, gcc compiler was being used which no longer exist with Xcode 5.

NetDeveloper
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I found something similar in an old project I have today. What happened is that there was a subproject in my project and that one wasn't set to llvm5.

You may want to do a search in your directory to find a file specifying llvm 4.2, like such:

MyMac:~/path/to/my/project $ grep -rHin llvm *

MyProject.xcodeproj/project.pbxproj:334: GCC_VERSION = com.apple.compilers.llvmgcc42;
MyProject.xcodeproj/project.pbxproj:348: GCC_VERSION = com.apple.compilers.llvmgcc42;

If that's the case, try updating that subproject or removing it altogether, see if you can at least clean your build.

Hope this helps.

Simon Germain
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  • Thanks for the tip, I forgot about an older build rule I had which referenced LLVM GCC 4.2. Removing said build rule fixed the build errors. – ansonl Oct 14 '13 at 14:34
  • The other reason is a build rule that still uses gcc 4.2, @see comment [#19116626](#19116626) – ıɾuǝʞ Feb 05 '14 at 13:42
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first, if you use virtual machine, maybe it's the problem when it doesn't have grant to access into your project if not check your file Maybe you miss any file?

Tuấn Nguyên
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