[cmake-developers] Language generator expressions

[Brad King]

On 05/16/2013 04:43 PM, Stephen Kelly wrote:
> I've pushed the language-generator-expressions branch to my clone, and the 
> target-COMPILE_OPTIONS branch which depends on it, which should be the 
> implementation of 
> 
>  http://public.kitware.com/Bug/view.php?id=6493
> 
> I hit a problem with the xcode and visual studio generators in that the APIs 
> of them do not provide a source file to use to determine the compiler 
> language at the point where I try to evaluate the compile flags, defines and 
> includes.
> 
> Is that a limitation of those IDEs? Or just of the generators? Can someone 
> familiar with those generators implement the porting to new APIs I 
> implemented in my branch?

The IDEs do not have per-language settings on a per-target basis.
C and C++ are treated equally at that level and it is only at the
per-source-file level that one can distinguish them.

-Brad