[CMake] CMake 2.4.6 and Xcode 4.2 on Mac OS X 10.7

[David Cole]

More info, please...

I assume you mean CMake 2.8.6 and not 2.4.6, as in the subject line... :-)

Are you setting CC and CXX before calling "cmake -G Xcode ../CMake"?
That's not a valid way of setting the compiler to a different compiler
with the Xcode generator.
Are you trying to build CMake or some other project?

In reality, the Xcode generator only works 100% reliably well when you
do not try to specify the compiler, and let Xcode use the one it wants
to use by default.


HTH,
David


On Tue, Nov 8, 2011 at 10:26 AM, Sean McBride <sean at rogue-research.com> wrote:
> Hi all,
>
> I've updated one of my dashboard machines to 10.7 and Xcode 4.2 and am having trouble with the Xcode generator.  It fails with:
>
> ---------
> The C compiler "/usr/bin/llvm-gcc" is not able to compile a simple test
>  program.
>
>  It fails with the following output:
>
>   Change Dir: /Users/builder/external/CMake-xcode-dbg-x86_64/CMakeFiles/CMakeTmp
>
>
>
>  Run Build Command:/Applications/CMake.app/Contents/bin/cmakexbuild -project
>  CMAKE_TRY_COMPILE.xcodeproj build -target cmTryCompileExec -configuration
>  Debug
> ---------
>
> The Xcode project file at:
>
> /Users/builder/external/CMake-xcode-dbg-x86_64/CMakeFiles/CMakeTmp/CMAKE_TRY_COMPILE.xcodeproj
>
> is but an empty folder, and Xcode crashes trying to open it.
>
> If I use /usr/bin/clang things work.
>
> Anyone tried a similar setup?  How to debug this further?
>
> Cheers,
>
> --
> ____________________________________________________________
> Sean McBride, B. Eng                 sean at rogue-research.com
> Rogue Research                        www.rogue-research.com
> Mac Software Developer              Montréal, Québec, Canada
>
>
> --
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