[CMake] ZERO_CHECK generation and Xcode

[Gregor Jasny]

Hi Steven,

On 3/29/17 5:24 PM, Steven Velez wrote:
> If I understand correctly the purpose of the ZERO_CHECK target is to update
> the generated project files when necessary.
> 
> That's fine, but I have noticed on Xcode (8.2) that when ZERO_CHECK runs
> and updates the project, it causes the xcode build to abort.
> Unfortunately, it seems this build abort happens before the xcode project
> regeneration has a chance to complete and update/touch
> CMakeFiles/cmake.check_cache, so once the target is out of date, it pretty
> much stays that way, and the builds are always (or least frequently)
> subsequently aborted because of an update to generated project files.
> 
> If I go in to the terminal and manually execute "make -f ReRunCMake.make"
> then the process completes and the ZERO_CHECK target is good, and it does
> not run any more.
> 
> Is there any known way to deal with this other than by specifying
> CMAKE_SUPRRESS_REGENERATION:BOOL=YES ?

Could you please file a bug about this? I'll take a look during the 3.9
development cycle. Do you have a rather large or small project?

Thanks,
Gregor