Add debug postfix

CMakeLists.txt

@@ -6,6 +6,8 @@ project (
 	LANGUAGES CXX C
 )
 
+set (CMAKE_DEBUG_POSTFIX "-d")
+
 if (NOT DEFINED CMAKE_RUNTIME_OUTPUT_DIRECTORY AND WIN32)
 	set (CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/bin)
 	set (CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/lib)