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

[Olivier Gomez]

That could work too but as the SDK is a single cmake file that rely on
nothing else, I can make a copy of it in my repo, remove the
add_custom_command() call and use that local version until the patch is
done.
It won't force me to change the environment on every computer.

But I'll keep that idea for other cases ! Thanks.

Olivier

Le mer. 6 mars 2019 à 08:38, Marc CHEVRIER <marc.chevrier at gmail.com> a
écrit :

> In the meantime if this POST_BUILD command calls a specific tool you can
> create a no-op shell script with the same name and put its location in the
> PATH variable.
> Le 6 mars 2019 à 07:41 +0100, Olivier Gomez <oliviergomez.og at gmail.com>,
> a écrit :
>
> 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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