_CMake_ isn't the one building the 32 bit binaries, 10.6 is building them by default. You either have to rebuild all your support libraries as 64 bit or Universal binaries, or figure out how to get your project to build for 32 bit by supplying the CMAKE_OSX_ARCHITECTURES=i386.

You might want to try starting from an empty build directory then invoking cmake like the following:

cmake -DCMAKE_OSX_ARCHITECTURES=i386 ../

Failing that, you can try this:

export CXXFLAGS="-arch i386"
export CFLAGS="-arch i386"

the invoking CMake on an empty build directory again.

Just some thoughts. I don't have 10.6 yet so I am left guessing at this point..

_________________________________________________________
Mike Jackson                  mike.jack...@bluequartz.net


On Aug 31, 2009, at 7:45 PM, Celil Rufat wrote:

I am experiencing still another problem. I can no longer link to any of the older libraries. The compilation fails with the following error message:

ld: warning: in /Library/Frameworks//Python.framework/Python, missing required architecture x86_64 in file
Undefined symbols:
  "_PyErr_Occurred", referenced from:
      _SWIG_Python_AddErrorMsg in TMPathPYTHON_wrap.c.o
...

From the above it would appear that cmake is building x86_64 files and trying to link them my old i386 libraries, however the variable CMAKE_OSX_ARCHITECTURES is still equal to i386.

What else could be causing the linker to fail in this way?

Celil


On Mon, Aug 31, 2009 at 11:49 AM, Celil Rufat <celil.ru...@gmail.com> wrote:
Simply reinstalling XCode for 10.6 fixed the problem.

Thanks for the help.
Celil


On Sun, Aug 30, 2009 at 10:49 PM, Michael Jackson <mike.jack...@bluequartz.net > wrote:
MAKE_OSX_SYSROOT /Developer/SDKs/android-sdk-mac_x86-1.5_r2

Yep, there is the problem. CMake looks in the /Developer/SDKs for all available SDKs and then greps for some information to try and figure out which one to use. Get rid of anything OTHER than official Apple SDKs that are in /Developer/SDKs/*, just consider that directory off limits to anything other than Apple stuff and you should be OK.

Mike



On Aug 30, 2009, at 11:26 PM, Celil Rufat wrote:


this person also has the problem <http://stackoverflow.com/questions/1349886/cmake-settings-on-snow-leopard >

Yup, that was also me :-)

Please post the following variables from your project after a first run of cmake on your project from a clean build directory.

 CMAKE_OSX_ARCHITECTURES
 CMAKE_OSX_SYSROOT


CMAKE_OSX_ARCHITECTURES  i386
CMAKE_OSX_SYSROOT /Developer/SDKs/android-sdk-mac_x86-1.5_r2

Hmm, the last variable is strange. I don't know why it is detecting my android installation as the system root. I will try to delete it, and test again.

Celil

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