[CMake] CMake 2.8.8 Upgrade problem with Xcode on OS X 10.8

[Romain LEGUAY]

Hello,

I have practically the same problem with OS X 10.7.4 and the last 
version of XCode (4.4.1).

$> cmake -GXcode .

-- 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 /Applications/CMake 
2.8-8.app/Contents/share/cmake-2.8/Modules/CMakeTestCCompiler.cmake:52 
(MESSAGE):
   The C compiler "/usr/bin/llvm-gcc-4.2" is not able to compile a 
simple test
   program.

   It fails with the following output:

    Change Dir: /path_to_my_project/CMakeFiles/CMakeTmp



   Run Build Command:/Applications/CMake\ 2.8-8.app/Contents/bin/cmakexbuild
   -project CMAKE_TRY_COMPILE.xcodeproj build -target
   cmTryCompileExec404778880 -configuration Debug

Thanks,

Romain

Le 09/08/12 02:34, Etuka Onono a écrit :
> 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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