[CMake] add_custom_command, POST_BUILD

[iosif neitzke]

On Thu, Jun 2, 2016 at 2:43 PM, Chuck Atkins <chuck.atkins at kitware.com> wrote:
> Could you just make the tests run in the post-build of the test?
>
> add_library(Foo Foo.cxx)
>
> add_executable(FooTest FooTest.cxx)
> target_link_libraries(FooTest Foo)
>
> add_custom_command(TARGET FooTest POST_BUILD
>   COMMAND $<TARGET_FILE:FooTest> $<TARGET_FILE:Foo>
> )
>
> That way the the test is run as part of it's build.
>

This is what we do for our Unit Test projects.   We also register the
test executable with CTest's add_test too.

>
> - Chuck
>
> On Wed, Jun 1, 2016 at 11:46 AM, Vladimir Chebotarev
> <vladimir.chebotarev at gmail.com> wrote:
>>
>> Hi there.
>>
>> At the moment one can add a command executing after a build of a target
>> using:
>> add_custom_command(... POST_BUILD...)
>>
>> However if the command have a dependencies which build after the target,
>> there is practically no way to specify it.
>>
>> Simple case: we have a library and tests for it. E.g. I want them to run
>> in POST_BUILD of a library. But, tests already depends on the library so I
>> can't make them built before it.
>>
>> There are few possible solutions to that:
>> 1) add possibility to set dependencies for add_custom_command in
>> POST_BUILD mode;
>> 2) add possibility to populate list of targets if we have specified ones
>> in list.
>>
>> Or maybe correct me if I miss something.
>>
>> Kind regards, Vladimir.
>>
>>
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>
>
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>
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>
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