[CMake] CHECK_C_SOURCE_COMPILES for objective c?

[Nils Gladitz]

A bit hackish but maybe
set(CMAKE_REQUIRED_DEFINITIONS "-x objective-c")
before your check_c_source_compiles call would help (at least with gcc; 
I'm not really familiar with objective c  itself).

Nils

On 09/14/2012 10:28 AM, Doug wrote:
> Small query:
>
> Checking for the presence of cocoa like this fails:
>
>      check_c_source_compiles("
>          #import <Cocoa/Cocoa.h>
>          int main (int argc, char** argv) {}" HAVE_VIDEO_COCOA)
>
> Because compiling blah.c with that content fails, where compiling
> blah.m with that content passes.
>
> What's the right way of handling this?
>
> ~
> Doug.
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-- 
Nils Gladitz, B.Sc.
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