[CMake] How to find/run external host executables when using cross compiling

[Eric Wing]

On 12/4/13, Eric Wing <ewmailing at gmail.com> wrote:
> I'm currently trying to port a rather large, complex project to
> Android. It has an existing CMake project so I'm trying to leverage
> that. I've taken and enhanced one of the Android-CMake toolchains I've
> found.
>
> This particular project I'm porting has unfortunate dependencies on
> running the host system's Perl, Python, and Ruby interpreters to do
> various kinds of on-the-fly code generation.
>
> The problem I'm having is that with the cross-compilation toolchain,
> none of these (host) dependencies are found with CMake (I think it
> uses FindPackage) because the cross-compilation toolchain has
> sandboxed off everything to look in the target toolchain which won't
> have Perl/Python/Ruby (which is completely reasonable; I'm not
> complaining).
>
> But I need to solve this problem and figure out how to find/invoke the
> host Perl/Python/Ruby/etc so my cross-compile can work.
>
> Can anybody give me suggestions on how I should approach this?

Bump.
I have a temporary workaround in place where I comment out the
find_package calls for Perl/Python/Ruby, and then use -D switches with
CMake to pre-populate the correct values for my host system.

Thanks,
Eric
-- 
Beginning iPhone Games Development
http://playcontrol.net/iphonegamebook/