[cmake-developers] [CMake 0015992]: Xcode generator's ReRunCMake.make fails if dependencies have been deleted

[Gregor Jasny]

On 27/02/16 06:11, Mantis Bug Tracker wrote:
> Summary:                    Xcode generator's ReRunCMake.make fails if
> dependencies have been deleted
> Description: 
> Currently, if a file that a CMake script previously had a dependency on is
> deleted, the Xcode generator's ReRunCMake.make Makefile will fail with a "no
> rule to make target <…>" error. This happens pretty frequently if you have a
> CMake script that reads the ref file for your current git branch and you delete
> branches regularly, and can also happen if you make other build system changes.
> 
> This can be solved by wrapping each item in the list with `$(wildcard <path>)`,
> which effectively makes the dependencies optional.

Brad: I pushed and merged the xcode-regenerate-on-deleted-files topic
but I'm unsure about the test location itself and if this is a feature
all generators should provide. I tested it with Xcode, Make, and Ninja.

Thanks,
Gregor