[CMake] file depending on a target
Brandon J. Van Every
bvanevery at gmail.com
Mon May 15 17:54:20 EDT 2006
William A. Hoffman wrote:
> At 05:38 PM 5/15/2006, Brandon J. Van Every wrote:
>
>> So I was right, ADD_FILE_DEPENDENCIES does *not* play properly with DEPENDS in ADD_CUSTOM_COMMAND. Bug or feature?
>>
>
> All ADD_FILE_DEPENDENCIES does is set OBJECT_DEPENDS on the source. So, it will
> not cause a custom command to run. It will cause a .o file to be compiled.
> It is a different thing than the DEPENDS of a custom command. Which will add a depend
> to the custom command, and will re-run the custom command if that depend changes.
> OBJECT_DEPENDS currently only affects the building of an object file.
>
>
I hereby make a feature request, that all dependency mechanisms work
uniformly. :-) Motive: it is easier to write macros when dependencies
can be handled independently (ha ha, very funny that) and don't have to
be passed around as arguments to MACROS wrapping ADD_CUSTOM_COMMAND.
This improves automation and readability.
Cheers,
Brandon Van Every
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