plugins: make libraries as modules

CMake stops you from linking to a plugin. Static plugins are static
libraries and can still be linked to.

CMake/ParaViewPlugins.cmake

@@ -1085,15 +1085,15 @@ FUNCTION(ADD_PARAVIEW_PLUGIN NAME VERSION)
 
     IF (PARAVIEW_BUILD_SHARED_LIBS)
       IF (PLUGIN_EXCLUDE_FROM_DEFAULT_TARGET)
-        ADD_LIBRARY(${NAME} SHARED EXCLUDE_FROM_ALL ${GUI_SRCS} ${SM_SRCS} ${ARG_SOURCES} ${plugin_sources})
+        ADD_LIBRARY(${NAME} MODULE EXCLUDE_FROM_ALL ${GUI_SRCS} ${SM_SRCS} ${ARG_SOURCES} ${plugin_sources})
       ELSE ()
-        ADD_LIBRARY(${NAME} SHARED ${GUI_SRCS} ${SM_SRCS} ${ARG_SOURCES} ${plugin_sources})
+        ADD_LIBRARY(${NAME} MODULE ${GUI_SRCS} ${SM_SRCS} ${ARG_SOURCES} ${plugin_sources})
       ENDIF()
     ELSE ()
       IF (PLUGIN_EXCLUDE_FROM_DEFAULT_TARGET)
-        ADD_LIBRARY(${NAME} EXCLUDE_FROM_ALL ${GUI_SRCS} ${SM_SRCS} ${ARG_SOURCES} ${plugin_sources})
+        ADD_LIBRARY(${NAME} STATIC EXCLUDE_FROM_ALL ${GUI_SRCS} ${SM_SRCS} ${ARG_SOURCES} ${plugin_sources})
       ELSE()
-        ADD_LIBRARY(${NAME} ${GUI_SRCS} ${SM_SRCS} ${ARG_SOURCES} ${plugin_sources})
+        ADD_LIBRARY(${NAME} STATIC ${GUI_SRCS} ${SM_SRCS} ${ARG_SOURCES} ${plugin_sources})
       ENDIF()
       # When building plugins for static builds, Qt requires this flag to be
       # defined. If not defined, when we link the executable against all the
@@ -1359,4 +1359,4 @@ macro(pv_setup_module_environment _name)
   # of the ParaView build, in that case pv-plugin is set when processing the
   # plugin.cmake file, and hence this logic still works!
   set (pv-plugin "${_name}")
-endmacro()
\ No newline at end of file
+endmacro()