[CMake] Why does XCODE_DEPEND_HELPER delete my target after it has been build?

[Bill Hoffman]

On 4/2/2011 10:48 AM, Kenny Erleben wrote:
> Hi,
>
> I got a cmake project that builds one static lib and one target that
> depends on my static lib.
>
> I have set the ARCHIVE_OUTPUT_DIRECOTRY target properties to
> ${PROJECT_SOURCE_DIR}/lib and the RUNTIME_OUTPUT_DIRECOTRY target
> properties to ${PROJECT_SOURCE_DIR}/bin.
>
> When I make an all build my static lib is correctly builded prior to my
> application target. The application target also builds and links fine.
> However after having completed the linking CMake performs a 'CMake
> PostBuild Rules' which gives me the output
>
>
> echo "Depend check for xcode"
> Depend check for xcode
> cd /Users/kenny/Documents/prox_trunk/SPH/xbuild && make -C
> /Users/kenny/Documents/prox_trunk/SPH/xbuild -f
> /Users/kenny/Documents/prox_trunk/SPH/xbuild/CMakeScripts/XCODE_DEPEND_HELPER.make
> all.Debug
> /Users/kenny/Documents/prox_trunk/SPH/xbuild/CMakeScripts/XCODE_DEPEND_HELPER.make:37:
> warning: overriding commands for target
> `/Users/kenny/Documents/prox_trunk/SPH/bin/XSPHTestApplication.app/Contents/MacOS/XSPHTestApplication'
>
> /Users/kenny/Documents/prox_trunk/SPH/xbuild/CMakeScripts/XCODE_DEPEND_HELPER.make:28:
> warning: ignoring old commands for target
> `/Users/kenny/Documents/prox_trunk/SPH/bin/XSPHTestApplication.app/Contents/MacOS/XSPHTestApplication'
>
> /bin/rm -f
> /Users/kenny/Documents/prox_trunk/SPH/bin/XSPHTestApplication.app/Contents/MacOS/XSPHTestApplication
>
>
> I have no idea about what the two warnings mean? Even worse I am very
> puzzled about why cmake insist on deleting the target it has just build?
>
> I have observed that if I do not mess around with the
> RUNTIME_OUTPUT_DIRECOTRY target properties then this behavior does not
> occur. However, I really need my target to end up in my bin-folder so
> this is not a solution for me.
>
> I am using CMake 2.8.4 and Xcode 3.2.5
>

Sounds like it might be a bug.  Can you create a small standalone test 
example that shows this issue.

Thanks.

-Bill