[CMake] Compiler flags for Obj-C++ files only

[Bill Hoffman]

Alan W. Irwin wrote:
> On 2008-05-21 21:08+0200 Allan Odgaard wrote:
> 
>> I need to set a compiler flag for Obj-C++ files (-fobjc-call-cxx-cdtors).
>>
>> Setting it for C++ will give a warning from gcc when the source file 
>> type is C++ (instead of Obj-C++).
>>
>> Is there any way to set flags for only Obj-C++ files?
> 
> Shouldn't Obj-C++ be treated as a separate language (analogous to 
> gfortran or C++) in the GNU Compiler Collection?
> 

Yes, it should be, and there is a bug report.  Obj-C++/Obj-C is 
basically a Mac thing these days, and the stuff we have mostly works. 
The adding a new language stuff should work for Obj-C++/Obj-C and if 
someone wants to send a patch that works that would be great.

-Bill