diff --git a/Makefile b/Makefile
index 004094c..eaf18ea 100644
--- a/Makefile
+++ b/Makefile
@@ -9,16 +9,22 @@ INC=inc
 IR=bin
 
 TARGET=--bc-target=Doominati
-LFLAGS=$(TARGET)
-CFLAGS=$(TARGET) --alloc-Aut=4194304 -c
+LFLAGS += $(TARGET)
+CFLAGS += $(TARGET) --alloc-Aut=4194304 -c
 
 MAIN_SOURCES=$(wildcard $(SRC)/*.c)
 MAIN_HEADERS=$(wildcard $(SRC)/*.h)
 MAIN_OUTPUT=$(MAIN_SOURCES:$(SRC)/%.c=$(IR)/%.ir)
 MAIN_BINARY=$(BIN)/影響の目.bin
 
+.PHONY: clean
+
 all: $(BIN)/stdlib.bin $(MAIN_BINARY)
 
+clean:
+	rm -f bin/*.ir
+	rm -f codedefs/*.bin
+
 $(BIN)/stdlib.bin: $(IR)/libc.ir $(IR)/libGDCC.ir
 	$(LD) $(LFLAGS) -o $@ $^
 
@@ -29,9 +35,9 @@ $(IR)/%.ir: $(SRC)/%.c $(MAIN_HEADERS)
 	$(CC) $(CFLAGS) -o $@ $<
 
 $(IR)/libc.ir:
-	$(MAKELIB) $(TARGET) -c -o $@ libc
+	$(MAKELIB) $(TARGET) $(CFLAGS) -o $@ libc
 
 $(IR)/libGDCC.ir:
-	$(MAKELIB) $(TARGET) -c -o $@ libGDCC
+	$(MAKELIB) $(TARGET) $(CFLAGS) -o $@ libGDCC
 
 ## EOF
diff --git a/src/g_objdef.c b/src/g_objdef.c
index e428fda..a07753a 100644
--- a/src/g_objdef.c
+++ b/src/g_objdef.c
@@ -350,7 +350,7 @@ static void G_ObjDef_getEntProp(G_dodst *st, G_entty *type, char const *id)
    }
    else if(strcmp(id, "sprite") == 0)
    {
-      type->sprite = DGE_GetTexture(
+      type->sprite = DGE_Texture_Get(
          M_StrCreate(st->expect(tok_string, "sprite name")->text));
    }
 
@@ -392,7 +392,7 @@ static M_texid G_ObjDef_getFrameSprite(char const *fmt, char frame, int i)
 
    if(!bufV) return 0;
 
-   M_texid id = DGE_GetTexture(DGE_String_Create(bufV, bufC));
+   M_texid id = DGE_Texture_Get(DGE_String_Create(bufV, bufC));
    free(bufV);
    return id;
 }
diff --git a/src/main.c b/src/main.c
index a644b41..e6af919 100644
--- a/src/main.c
+++ b/src/main.c
@@ -57,7 +57,7 @@ void main(void)
           u8"オミ：影響の目    1.0\n"
           u8"Copyright © 2017 Project Golan, all rights reserved.\n\n");
 
-   DGE_SetVirtualResolution(640, 480);
+   DGE_Renderer_SetVirtualRes(640, 480);
 
    printf("Loading object function table...\n");
    G_ObjDef_Init();