[CMake] Remove a custom command added with add_custom_command(<target> POST_BUILD ...)

[Olivier Gomez]

Thank you for your suggestions.
I think the best option is a patch but it will take some time ... I guess I
will have to find a workaround in the meantime !

Anyway, thanks again !
Olivier

Le mar. 5 mars 2019 à 18:58, Kyle Edwards <kyle.edwards at kitware.com> a
écrit :

> On Tue, 2019-03-05 at 10:01 -0700, Olivier Gomez wrote:
> > Hello,
> >
> > I have been searching for a way to remove a custom command
> > (POST_BUILD
> > event) from a target in CMake but, so far, I've found nothing.
> >
> > I tried to add another custom command to override the first one but
> > it seems
> > to append a second command.
> > I tough that could work because of the first signature of
> > add_custom_command() that can take an optional argument named APPEND.
> > https://cmake.org/cmake/help/v3.4/command/add_custom_command.html#gen
> > erating-files
> > Then, I looked for a target property that contains the POST_BUILD
> > custom
> > command (to erase it) but, again, I found nothing related (I listed
> > every
> > property using the "cmake --help-property-list" command).
> >
> >
> > The context is that I configure a project using a "CMake SDK" from a
> > third
> > party library (custom functions that create and configure a shared
> > library
> > target basically).
> > Until recently, I used to create those target by myself using
> > standard CMake
> > command.
> > But now I switched to the "SDK" because it does a lot of specific
> > thing
> > depending on the platform (and between the current version of the SDK
> > and
> > all the legacy version) and I don't want to rewrite everything.
> >
> > Specifically, this SDK add a custom command as a POST_BUILD event to
> > run a
> > tool that perform a signature on the produced library. As it is a
> > proprietary tool that requires a valid licence to work, I want to
> > remove
> > that command in order to have a successful build even if i don't
> > currently
> > have a licence on my machine.
> >
> > So ... is there some way to remove a custom command in CMake ? (or
> > ignore
> > failed command maybe)
>
> CMake doesn't have a way to remove a custom command from a target. Your
> best bet would be to either:
>
> 1) Fork the SDK for your project to remove the proprietary tool, or
> 2) Submit a patch upstream to add an option to disable the proprietary
> tool.
>
> Kyle
>
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