[CMake] Executing a CMake Custom Target from CTest

[Bill Hoffman]

Mathieu Malaterre wrote:
> Hi there,
> 
>   I'd like to know if this is possible to execute a cmake custom
> target from my nightly ctest script.
> Eg. In cmake
> 
> ...
>   ADD_CUSTOM_COMMAND(
>     OUTPUT bla.txt
>     COMMAND echo "bla" > bla.txt
>     VERBATIM
>     )
>   ADD_CUSTOM_TARGET(BLA DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/bla.txt)
> ...
> 
>   For now I am copy/pasting this as an execute_process:
> 
> ...
> CTEST_START(Nightly)
> CTEST_UPDATE(SOURCE "${CTEST_SOURCE_DIRECTORY}" RETURN_VALUE res)
> CTEST_CONFIGURE(BUILD "${CTEST_BINARY_DIRECTORY}" RETURN_VALUE res)
> # duplicated code:
> EXECUTE_PROCESS(COMMAND echo "bla" > bla.txt
>   OUTPUT_FILE bla.txt
>   RESULT_VARIABLE RES)
> CTEST_SUBMIT(RETURN_VALUE res)
> ...

This should do what you want:
     SET( CTEST_BUILD_TARGET BLA)
     CTEST_BUILD (
         BUILD "${CTEST_BINARY_DIRECTORY}"
         APPEND
         )

-Bill