works, no input yet, but renders and loads wad

external/pure_doom/CMakeLists.txt

@@ -2,4 +2,9 @@ cmake_minimum_required(VERSION 3.24 FATAL_ERROR)
 
 add_library(PureDOOM "./PureDOOM/PureDOOM.h" "./PureDOOM.c")
 target_include_directories(PureDOOM SYSTEM INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}")
+target_compile_definitions(PureDOOM
+	PRIVATE DOOM_IMPLEMENT_FILE_IO=1
+	PRIVATE DOOM_IMPLEMENT_MALLOC=1
+	#PRIVATE DOOM_IMPLEMENT_GETTIME=1
+)