Use more target centric cmake code

kaddressbook/importexportplugins/csv/CMakeLists.txt

-set(kaddressbook_importexport_csv_SRCS
+kcoreaddons_add_plugin(kaddressbook_importexportcsvplugin JSON kaddressbook_importexportcsvplugin.json INSTALL_NAMESPACE kaddressbook/importexportplugin)
+target_sources(kaddressbook_importexportcsvplugin PRIVATE
     csvimportexportplugin.cpp
     csvimportexportplugininterface.cpp
     import/csvimportdialog.cpp
@@ -9,8 +10,6 @@ set(kaddressbook_importexport_csv_SRCS
     )
 
 
-kcoreaddons_add_plugin(kaddressbook_importexportcsvplugin JSON kaddressbook_importexportcsvplugin.json SOURCES
-    ${kaddressbook_importexport_csv_SRCS} INSTALL_NAMESPACE kaddressbook/importexportplugin)
 if (COMPILE_WITH_UNITY_CMAKE_SUPPORT)
     set_target_properties(kaddressbook_importexportcsvplugin PROPERTIES UNITY_BUILD ON)
 endif()

kaddressbook/importexportplugins/gmx/CMakeLists.txt

-set(kaddressbook_importexport_gmx_SRCS
+kcoreaddons_add_plugin(kaddressbook_importexportgmxplugin JSON kaddressbook_importexportgmxplugin.json INSTALL_NAMESPACE kaddressbook/importexportplugin)
+target_sources(kaddressbook_importexportgmxplugin PRIVATE
     gmximportexportplugin.cpp
     gmximportexportplugininterface.cpp
     )
 
-ecm_qt_declare_logging_category(kaddressbook_importexport_gmx_SRCS HEADER kaddressbook_importexport_gmx_debug.h IDENTIFIER KADDRESSBOOK_IMPORTEXPORT_GMX_LOG CATEGORY_NAME org.kde.pim.kaddressbook_importexportgmx
+ecm_qt_declare_logging_category(kaddressbook_importexportgmxplugin HEADER kaddressbook_importexport_gmx_debug.h IDENTIFIER KADDRESSBOOK_IMPORTEXPORT_GMX_LOG CATEGORY_NAME org.kde.pim.kaddressbook_importexportgmx
     DESCRIPTION "kdepim-addons (KAddressbook import export gmx plugin)"
     EXPORT KDEPIMADDONS
     )
 
 
-kcoreaddons_add_plugin(kaddressbook_importexportgmxplugin JSON kaddressbook_importexportgmxplugin.json SOURCES
-    ${kaddressbook_importexport_gmx_SRCS} INSTALL_NAMESPACE kaddressbook/importexportplugin)
 if (COMPILE_WITH_UNITY_CMAKE_SUPPORT)
     set_target_properties(kaddressbook_importexportgmxplugin PROPERTIES UNITY_BUILD ON)
 endif()

kaddressbook/importexportplugins/ldap/CMakeLists.txt

-set(kaddressbook_importexport_ldap_SRCS
+kcoreaddons_add_plugin(kaddressbook_importexportldapplugin JSON kaddressbook_importexportldapplugin.json INSTALL_NAMESPACE kaddressbook/importexportplugin)
+target_sources(kaddressbook_importexportldapplugin PRIVATE
     ldapimportexportplugin.cpp
     ldapimportexportplugininterface.cpp
     )
 
 
-kcoreaddons_add_plugin(kaddressbook_importexportldapplugin JSON kaddressbook_importexportldapplugin.json SOURCES
-    ${kaddressbook_importexport_ldap_SRCS} INSTALL_NAMESPACE kaddressbook/importexportplugin)
 if (COMPILE_WITH_UNITY_CMAKE_SUPPORT)
     set_target_properties(kaddressbook_importexportldapplugin PROPERTIES UNITY_BUILD ON)
 endif()

kaddressbook/importexportplugins/ldif/CMakeLists.txt

-set(kaddressbook_importexport_ldif_SRCS
+kcoreaddons_add_plugin(kaddressbook_importexportldifplugin JSON kaddressbook_importexportldifplugin.json INSTALL_NAMESPACE kaddressbook/importexportplugin)
+target_sources(kaddressbook_importexportldifplugin PRIVATE
     ldifimportexportplugin.cpp
     ldifimportexportplugininterface.cpp
     )
 
 
-kcoreaddons_add_plugin(kaddressbook_importexportldifplugin JSON kaddressbook_importexportldifplugin.json SOURCES
-    ${kaddressbook_importexport_ldif_SRCS} INSTALL_NAMESPACE kaddressbook/importexportplugin)
 if (COMPILE_WITH_UNITY_CMAKE_SUPPORT)
     set_target_properties(kaddressbook_importexportldifplugin PROPERTIES UNITY_BUILD ON)
 endif()

kaddressbook/importexportplugins/vcards/CMakeLists.txt

-set(kaddressbook_importexport_vcard_SRCS
+kcoreaddons_add_plugin(kaddressbook_importexportvcardplugin JSON kaddressbook_importexportvcardplugin.json INSTALL_NAMESPACE kaddressbook/importexportplugin)
+
+target_sources(kaddressbook_importexportvcardplugin PRIVATE
     vcardimportexportplugin.cpp
     vcardimportexportplugininterface.cpp
     engine/vcardviewerdialog.cpp
@@ -6,8 +8,6 @@ set(kaddressbook_importexport_vcard_SRCS
     )
 
 
-kcoreaddons_add_plugin(kaddressbook_importexportvcardplugin JSON kaddressbook_importexportvcardplugin.json SOURCES
-    ${kaddressbook_importexport_vcard_SRCS} INSTALL_NAMESPACE kaddressbook/importexportplugin)
 if (COMPILE_WITH_UNITY_CMAKE_SUPPORT)
     set_target_properties(kaddressbook_importexportvcardplugin PROPERTIES UNITY_BUILD ON)
 endif()

kaddressbook/importexportplugins/windows-contacts/CMakeLists.txt

+kcoreaddons_add_plugin(kaddressbook_importexportwindowscontactplugin JSON kaddressbook_importexportwindowscontactplugin.json INSTALL_NAMESPACE kaddressbook/importexportplugin)
 
-set(kaddressbook_importexport_windowscontact_debugfile_SRCS)
-ecm_qt_declare_logging_category(kaddressbook_importexport_windowscontact_debugfile_SRCS HEADER importexportwindowscontactplugin_debug.h IDENTIFIER IMPORTEXPORTWINDOWSCONTACTPLUGIN_LOG CATEGORY_NAME org.kde.pim.importexportwindowscontactplugin
+ecm_qt_declare_logging_category(kaddressbook_importexportwindowscontactplugin HEADER importexportwindowscontactplugin_debug.h IDENTIFIER IMPORTEXPORTWINDOWSCONTACTPLUGIN_LOG CATEGORY_NAME org.kde.pim.importexportwindowscontactplugin
     DESCRIPTION "kdepim-addons (Import/Export Windows Contact plugin)"
     EXPORT KDEPIMADDONS
     )
-set(kaddressbook_importexport_windowscontact_SRCS
+target_sources(kaddressbook_importexportwindowscontactplugin PRIVATE
     ${kaddressbook_importexport_windowscontact_debugfile_SRCS}
     windowscontactimportexportplugin.cpp
     windowscontactimportexportplugininterface.cpp
     importwindowcontact.cpp
     )
 
-kcoreaddons_add_plugin(kaddressbook_importexportwindowscontactplugin JSON kaddressbook_importexportwindowscontactplugin.json SOURCES
-    ${kaddressbook_importexport_windowscontact_SRCS} INSTALL_NAMESPACE kaddressbook/importexportplugin)
 if (COMPILE_WITH_UNITY_CMAKE_SUPPORT)
     set_target_properties(kaddressbook_importexportwindowscontactplugin PROPERTIES UNITY_BUILD ON)
 endif()

kmailtransport/sendmail/CMakeLists.txt

-set(mailtransport_sendplugin_SRCS
+kcoreaddons_add_plugin(mailtransport_sendplugin JSON sendmailtransport.json INSTALL_NAMESPACE mailtransport)
+
+target_sources(mailtransport_sendplugin PRIVATE
     sendmailtransportplugin.cpp
     sendmailjob.cpp
     sendmailconfigwidget.cpp
     sendmailconfigdialog.cpp
     )
 
-ecm_qt_declare_logging_category(mailtransport_sendplugin_SRCS HEADER sendmailplugin_debug.h IDENTIFIER MAILTRANSPORT_PLUGIN_LOG CATEGORY_NAME org.kde.pim.mailtransport_sendmail
+ecm_qt_declare_logging_category(mailtransport_sendplugin HEADER sendmailplugin_debug.h IDENTIFIER MAILTRANSPORT_PLUGIN_LOG CATEGORY_NAME org.kde.pim.mailtransport_sendmail
     DESCRIPTION "kdepim-addons (kmailtransport sendmail plugin)"
     EXPORT KDEPIMADDONS
     )
 
 
-ki18n_wrap_ui(mailtransport_sendplugin_SRCS
+ki18n_wrap_ui(mailtransport_sendplugin
     sendmailsettings.ui
     )
-kcoreaddons_add_plugin(mailtransport_sendplugin JSON sendmailtransport.json SOURCES
-    ${mailtransport_sendplugin_SRCS} INSTALL_NAMESPACE mailtransport)
 if (COMPILE_WITH_UNITY_CMAKE_SUPPORT)
     set_target_properties(mailtransport_sendplugin PROPERTIES UNITY_BUILD ON)
 endif()