[CMake] avoid permanent rebuild of custom_target

[Stuermer, Michael SP/HZA-ZSEP]

How can I avoid a custom target to be rebuild everytime I build my solution? I added my target like this:

add_custom_target(CopyNugetPackages
    DEPENDS ${depends_list}
    COMMENT "======== copying nuget packages ========"
    VERBATIM
    )
set_target_properties(CopyNugetPackages PROPERTIES
    EXCLUDE_FROM_ALL TRUE
    FOLDER "CMakePredefinedTargets")

The variable "depends_list" contains a list of custom_command outputs (essentially .dll files which are copied). All the custom commands are actually only executed once, but the custom target "CopyNugetPackages" is run over and over again.

I would like to run "CopyNugetPackages" only as a dependency from other targets:

add_dependencies(${target} CopyNugetPackages)

So "CopyNugetPackages" should only be built if ${target} is built. How can I do this or is it impossible?


Best Regards

Michael Stürmer
SP/HZA-ZSEP
Postcode HZA 13-4-06
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