Make sure that the name of the _export.h file is the same no matter the plugin
set(OWNCLOUDDOLPHINHELPER ${APPLICATION_EXECUTABLE}dolphinpluginhelper)
add_library(${OWNCLOUDDOLPHINHELPER} SHARED ownclouddolphinpluginhelper.cpp)
target_link_libraries(${OWNCLOUDDOLPHINHELPER} Qt5::Network)
-generate_export_header(${OWNCLOUDDOLPHINHELPER})
+generate_export_header(${OWNCLOUDDOLPHINHELPER} BASE_NAME ownclouddolphinpluginhelper)
install(TARGETS ${OWNCLOUDDOLPHINHELPER} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
#---OVERLAY PLUGIN---