[CMake] Building Mac OSX .apps for Sys 10.6 and 10.8 with Cmake using 10.7.5 on the command line

[Sean McBride]

On Thu, 7 Feb 2013 17:05:55 -0800, Ed said:

>I am trying to build an app to be compatible with Mac OSX systems 10.6,
>10.7, and 10.8 using the command line with cmake.  I have successfully
>built it for 10.7.5, now I would like to expand this app to be
>compatible with 10.6 and 10.8 is this possible?
>This is the command I am issuing to cmake:
>cmake -DCMAKE_OSX_64=ON -DCMAKE_C_COMPILER=/usr/bin/gcc -
>DCMAKE_CXX_COMPILER=/usr/bin/g++ ..
>
>Could anyone help me to build this app to be compatible with the other
>two system?

The most important thing is to set the deployment target to 10.6.  See "CMAKE_OSX_DEPLOYMENT_TARGET".  If you want to support both 32 and 64 bit CPUs, you should also set the architectures, see "CMAKE_OSX_ARCHITECTURES".

Cheers,

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