[CMake] Adding cross-compiler support to CMake ... (fwd)

[Sean McBride]

On 2006-09-06 17:21, Michael Casadevall said:

>> Basically, it's a kind of cross compilation.  On a PowerPC Mac you can
>> compile your executable for both PPC and Intel Macs, and vice versa.
>> CMake does support Universal Binaries actually, you may want to see  
>> this
>> bug for background:
>> <http://www.vtk.org/Bug/bug.php?op=show&bugid=2492>
>
>This works fine with CMake. Add C/CXX flags -march ppc -march i386 (I  
>think, been awhile, I can look this up), and gcc will spit out a  
>university binary. Rosetta works for command line tools, so it will  
>work perfectly. I've done this with a few other packages that don't  
>use autotoos.

I wasn't sure if you were at all familiar with Macs, but I see that you are.

In fact, it is nicer than that: you can use CMAKE_OSX_ARCHITECTURES and
CMAKE_OSX_SYSROOT instead of mucking with CFLAGS.

-- 
____________________________________________________________
Sean McBride, B. Eng                 sean at rogue-research.com
Rogue Research                        www.rogue-research.com 
Mac Software Developer              Montréal, Québec, Canada