Fix CMake build of modules

They must not be linked against any libraries as build time.  The
symbols will be resovled at runtime.

cmake-proxies/mod-script-pipe/CMakeLists.txt

@@ -14,11 +14,13 @@ list( APPEND SOURCES
       ${TARGET_ROOT}/ScripterCallback.cpp
 )
 
+get_target_property( INCLUDES wxWidgets INTERFACE_INCLUDE_DIRECTORIES )
 list( APPEND INCLUDES
    PUBLIC
       ${TARGET_ROOT}
 )
 
+get_target_property( DEFINES wxWidgets INTERFACE_COMPILE_DEFINITIONS )
 list( APPEND DEFINES
    PRIVATE
       BUILDING_SCRIPT_PIPE
@@ -31,10 +33,14 @@ list( APPEND DEFINES
       wxDEBUG_LEVEL=0
 )
 
+list( APPEND LOPTS
+   PRIVATE
+      $<$<PLATFORM_ID:Darwin>:-undefined dynamic_lookup>
+)
+
 list( APPEND LIBRARIES
    PRIVATE
       Audacity
-      wxWidgets
 )
 
 set_target_property_all( ${TARGET} LIBRARY_OUTPUT_DIRECTORY "${_DEST}/modules" )
@@ -48,5 +54,6 @@ organize_source( "${TARGET_ROOT}" "" "${SOURCES}" )
 target_sources( ${TARGET} PRIVATE ${SOURCES} )
 target_compile_definitions( ${TARGET} PRIVATE ${DEFINES} )
 target_include_directories( ${TARGET} PRIVATE ${INCLUDES} )
+target_link_options( ${TARGET} PRIVATE ${LOPTS} )
 target_link_libraries( ${TARGET} PRIVATE ${LIBRARIES} )