D10732: Help automoc to find metadata JSON files referenced in the code

[Friedrich W. H. Kossebau]

kossebau added a comment.


  Thanks for review.
  
  > Can't we reuse this same code from kcoreaddons? Maybe kcoreaddons can offer a macro that does this?
  
  As hinted in the commit message, plan is to have some ECM macro instead, but only for 5.45 in a month, to not hurry macro signature design. Soon up for discussion though.
  
  Current draft/working prototype results in code like the following for CMakeLists.txt (replacing the complete current code to set up things with CMAKE_AUTOMOC_MACRO_NAMES & :CMAKE_AUTOMOC_DEPEND_FILTERS):
  
    include(ECMSetupQtPluginMacros)
    
    ecm_setup_qtplugin_macros(
        JSON_NONE
            "K_EXPORT_PLASMA_SERVICE"
            "K_EXPORT_PLASMA_APPLET"
            "K_EXPORT_PLASMA_PACKAGE"
            "K_EXPORT_PLASMA_APPLETSCRIPTENGINE"
            "K_EXPORT_PLASMA_DATAENGINESCRIPTENGINE"
            "K_EXPORT_PLASMA_DATAENGINE"
        JSON_ARG2
            "K_EXPORT_PLASMA_PACKAGE_WITH_JSON"
        JSON_ARG3
            "K_EXPORT_PLASMA_SERVICE_WITH_JSON"
            "K_EXPORT_PLASMA_APPLET_WITH_JSON"
            "K_EXPORT_PLASMA_APPLETSCRIPTENGINE_WITH_JSON"
            "K_EXPORT_PLASMA_DATAENGINESCRIPTENGINE_WITH_JSON"
            "K_EXPORT_PLASMA_CONTAINMENTACTIONS_WITH_JSON"
            "K_EXPORT_PLASMA_DATAENGINE_WITH_JSON"
        CONFIG_VARIABLE
             PACKAGE_SETUP_AUTOMOC_MACROS
    )
  
  and in the KF5PlasmaConfig.cmake.in then just need some
  
    @PACKAGE_SETUP_AUTOMOC_MACROS@
  
  The complete code copies as now in the patch are just a temporary solution by purpose, to already fix the issue, but without rushed new public API.

REPOSITORY
  R242 Plasma Framework (Library)

REVISION DETAIL
  https://phabricator.kde.org/D10732

To: kossebau, #frameworks, #build_system, apol
Cc: michaelh
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