[CMake] Build doesn't work with Mac OS X Lion...

[Michael Jackson]

There is a cmake variable that you set during  onfiguration time.
Something like os_x_architectures. There you can add the specific arch
that you want to build for.

-----
Mike Jackson                     www.bluequartz.net
Principal Software Engineer       mike.jackson at bluequartz.net
BlueQuartz Software               Dayton, Ohio
____________________________
Sent from my mobile device. Please excuse the shortness of the reply.

On Nov 25, 2011, at 14:47, Dick Munroe <munroe at csworks.com> wrote:

> I've got a build that works just fine with Leopard.
>
> For reasons I won't get into, I had to upgrade one of my systems to Lion and now (I've installed XCode 4.2) the build won't work.  I get the following error:
>
> [  0%] Reaping winning child 0x10260c510 PID 1009
> Live child 0x10260c510 (libxp/CMakeFiles/xp.dir/Users/munroe/Documents/My_SVN/ESPlanner_Computation_Engine.U2011-11-01/Common/xmllib/print/libxp.cpp.o) PID 1010
> Building CXX object libxp/CMakeFiles/xp.dir/Users/munroe/Documents/My_SVN/ESPlanner_Computation_Engine.U2011-11-01/Common/xmllib/print/libxp.cpp.o
> Reaping winning child 0x10260c510 PID 1010
> Live child 0x10260c510 (libxp/CMakeFiles/xp.dir/Users/munroe/Documents/My_SVN/ESPlanner_Computation_Engine.U2011-11-01/Common/xmllib/print/libxp.cpp.o) PID 1011
> llvm-g++-4.2: Invalid arch name : -O2
> Reaping losing child 0x10260c510 PID 1011
> make[2]: *** [libxp/CMakeFiles/xp.dir/Users/munroe/Documents/My_SVN/ESPlanner_Computation_Engine.U2011-11-01/Common/xmllib/print/libxp.cpp.o] Error 1
> Removing child 0x10260c510 PID 1011 from chain.
> Reaping losing child 0x10c20c290 PID 1008
> make[1]: *** [libxp/CMakeFiles/xp.dir/all] Error 2
> Removing child 0x10c20c290 PID 1008 from chain.
> Reaping losing child 0x10940e730 PID 996
>
> If I dig around, I find the CXX flags to be:
>
> -arch  -O2 -fPIC
>
> and for some reason the Lion g++ compiler is choking thinking that there should be and arch value.  Which if I dig around in the Leopard build I find:
>
> -Dxp_EXPORTS  -arch i386 -O2 -g -fPIC
>
> Which brings up the questions, (1) with the same CMakeLists.txt file, why am I getting different values and (2) how do I get the arch to be i386 on the Lion build.
>
> Best,
>
> Dick Munroe
>
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