:(

Makefile

@@ -95,7 +95,8 @@ test/level.c: ./import-test-collision.py
 
 test/main.cpp test/gl20/gl20_renderer.c test/gl33core/gl33core_renderer.c: test/level.c
 
-SDL2_CFLAGS := $(shell sdl2-config --cflags)
+SDL2_RAW_CFLAGS := $(shell sdl2-config --cflags)
+SDL2_CFLAGS := $(filter-out -Dmain=SDL_main,$(SDL2_RAW_CFLAGS))
 
 $(BUILD_DIR)/test/%.o: test/%.c
 	$(CC) -c $(CFLAGS) $(SDL2_CFLAGS) -I src/decomp/include -o $@ $<
@@ -105,7 +106,7 @@ $(BUILD_DIR)/test/%.o: test/%.cpp
 
 $(TEST_FILE): $(LIB_FILE) $(TEST_OBJS)
 ifdef WINDOWS_BUILD
-	$(CXX) -o $@ $(TEST_OBJS) $(LIB_FILE) -lglew32 -lopengl32 -lSDL2 -lSDL2main -lm
+	$(CXX) -o $@ $(TEST_OBJS) $(LIB_FILE) -lglew32 -lopengl32 -lSDL2 -lm
 else ifdef MACOS_BUILD
 	$(CXX) -o $@ $(TEST_OBJS) $(LIB_FILE) -framework OpenGL -lGLEW -lSDL2 -lSDL2main -lm -lpthread
 else