[cmake-developers] Cross compiling toolchain variables

[Stephen Kelly]

Brad King wrote:
> IMO it should probably be transformed to the full SDK path in CMake
> code, using the logical name only in CMakeCache.txt and for the Xcode
> generator.  I think we can do this with no attempt at compatibility
> because projects must always deal with users setting the value to
> a path already (and this variable is undocumented anyway).
> 
> Would this change your conclusion?

My general lack of familiarity with OSX/Xcode/Mac sdks remains, and that is 
what makes me continue to prefer option 3.

> Since none of us seems to understand how to properly merge these
> features, perhaps it is simplest to keep them separate.  Once both
> have been around for a while perhaps their relationship will be
> more clear.  In my understanding, the distinction can simply be
> that CMAKE_OSX_SYSROOT is for OS X -> OS X builds, and CMAKE_SYSROOT
> is for cross compiling.

Yes. If we can consider that decided, then the remaining issue relates to 
CMAKE_INSTALL_PREFIX. If I can implement that as I wrote previously, this 
topic is done.

Thanks,

Steve.