Remove sed from ld_script, replace with INCLUDEs

Makefile

@@ -178,7 +178,7 @@ $(OBJ_DIR)/sym_ewram.ld: sym_ewram.txt
 	$(RAMSCRGEN) ewram_data $< ENGLISH > $@
 
 $(OBJ_DIR)/ld_script.ld: ld_script.txt $(OBJ_DIR)/sym_bss.ld $(OBJ_DIR)/sym_common.ld $(OBJ_DIR)/sym_ewram.ld
-	cd $(OBJ_DIR) && sed -f ../../ld_script.sed ../../$< | sed "s#tools/#../../tools/#g" > ld_script.ld
+	cd $(OBJ_DIR) && sed "s#tools/#../../tools/#g" ../../ld_script.txt > ld_script.ld
 
 $(ELF): $(OBJ_DIR)/ld_script.ld $(OBJS)
 	cd $(OBJ_DIR) && $(LD) $(LDFLAGS) -T ld_script.ld -o ../../$@ $(OBJS_REL) $(LIB)

ld_script.sed

@@ -1,14 +0,0 @@
-/<EWRAM>/ {
-    r sym_ewram.ld
-    d
-}
-
-/<BSS>/ {
-    r sym_bss.ld
-    d
-}
-
-/<COMMON>/ {
-    r sym_common.ld
-    d
-}

ld_script.txt

@@ -13,7 +13,7 @@ SECTIONS {
 
         . = 0x1C000;
 
-<EWRAM>
+        INCLUDE "sym_ewram.ld"
 
         . = 0x40000;
 }
@@ -24,13 +24,13 @@ SECTIONS {
     ALIGN(4)
     {
         /* .bss starts at 0x3000000 */
-<BSS>
+        INCLUDE "sym_bss.ld"
 
         /* .bss.code starts at 0x3001AA8 */
         src/m4a_2.o(.bss.code);
 
         /* COMMON starts at 0x30022A8 */
-<COMMON>
+        INCLUDE "sym_common.ld"
         *libc.a:sbrkr.o(COMMON);
         end = .;
         . = 0x8000;