[CMake] Use POSITION_INDEPENDENT_CODE property instead of manually setting -fPIC (Alchemy sync)

indra/plugins/base_media/CMakeLists.txt

@@ -29,14 +29,6 @@ include_directories(
 
 ### media_plugin_base
 
-if(NOT WORD_SIZE EQUAL 32)
-	if(WINDOWS)
-		# add_definitions(/FIXED:NO)
-	else(WINDOWS) # not windows therefore gcc LINUX and DARWIN
-		add_definitions(-fPIC)
-	endif(WINDOWS)
-endif (NOT WORD_SIZE EQUAL 32)
-
 set(media_plugin_base_SOURCE_FILES
     media_plugin_base.cpp
 )
@@ -56,6 +48,8 @@ add_library(media_plugin_base
     ${media_plugin_base_SOURCE_FILES}
 )
 
+set_target_properties(media_plugin_base PROPERTIES POSITION_INDEPENDENT_CODE TRUE)
+
 target_link_libraries(media_plugin_base
     PUBLIC
     llcommon