Reintroducing Unload functions. Is*Ready functions. GC_UNLOAD setting and check function.

CMakeLists.txt

@@ -8,6 +8,7 @@ set( CMAKE_C_STANDARD 99 ) # Requires C99 standard
 
 option( SHARED "Build using dynamic libraries." off )
 option( LUAJIT "Use LuaJIT." off )
+option( GC_UNLOAD "Lua garbage collector unloads objects. If off, object unloading should be handled manually." on )
 
 if( NOT CMAKE_BUILD_TYPE )
   	SET( CMAKE_BUILD_TYPE Release CACHE STRING
@@ -15,6 +16,10 @@ if( NOT CMAKE_BUILD_TYPE )
       	FORCE )
 endif()
 
+if( GC_UNLOAD )
+	set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DGC_UNLOAD" )
+endif()
+
 file( GLOB SOURCES src/*.c )
 
 include_directories( include )