I have seen this problem as we upgraded from older XCodes. In all the places where cmake looks at your version of Xcode except one, it looks at "xcode-select -print–path". In that one place, it looks in /Developer/Applications/XCode.app. I think this bug is fixed in 2.8.9, and until then you can work around it by placing a symlink from /Developer/Applications/XCode.app to your actual Xcode installation.
From: Etuka Onono <[email protected]<mailto:[email protected]>> Date: Wednesday, August 8, 2012 5:34 PM To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> Subject: [CMake] CMake 2.8.8 Upgrade problem with Xcode on OS X 10.8 After I upgraded to OS X 10.8, I recently upgraded my CMake version to 2.8.8. I can build CMake projects if I use "Unix Makefiles" as a generator, but if I use the Xcode generator, I get the following error: The C compiler identification is GNU 4.2.1 The CXX compiler identification is GNU 4.2.1 Checking whether C compiler has -isysroot Checking whether C compiler has -isysroot - yes Checking whether C compiler supports OSX deployment target flag Checking whether C compiler supports OSX deployment target flag - yes Check for working C compiler using: Xcode Check for working C compiler using: Xcode -- broken CMake Error at /Developer/CMake 2.8-8.app/Contents/share/cmake-2.8/Modules/CMakeTestCCompiler.cmake:52 (MESSAGE): The C compiler "/usr/bin/gcc" is not able to compile a simple test program. It fails with the following output: Change Dir: /Users/etuka/projects/baml/onethousand/build/CMakeFiles/CMakeTmp Run Build Command:/Developer/CMake\ 2.8-8.app/Contents/bin/cmakexbuild -project CMAKE_TRY_COMPILE.xcode build -target cmTryCompileExec3395723889 -buildstyle Development xcodebuild: error: option '-buildstyle' is no longer supported I understand that this error is associated with earlier versions of Cmake that are incompatible with Xcode 4.4. I have tried removing all traces of CMake 2.8.8 that I can from my system and re-installing, but I cannot get rid of this error. I would be grateful for suggestions of what to try next. Thanks, Etuka Onono
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