--- spim/Makefile.orig	2006-08-29 11:23:19.000000000 +0900
+++ spim/Makefile	2008-04-23 01:36:01.000000000 +0900
@@ -54,13 +54,13 @@
 
 
 # Full path for the directory that will hold the executable files:
-BIN_DIR = /usr/local/bin
+BIN_DIR = ${PREFIX}/bin
 
 # Full path for the directory that will hold the exception handler:
-EXCEPTION_DIR = /usr/local/lib
+EXCEPTION_DIR = ${PREFIX}/share/spim
 
 # Full path for the directory that will hold the man files:
-MAN_DIR = /usr/man/mann
+MAN_DIR = ${PREFIX}/man/man1
 
 
 # If you have flex, use it instead of lex.  If you use flex, define this
@@ -92,12 +92,12 @@
 
 DEFINES = $(ENDIAN) $(MEM_SIZES) -DDEFAULT_EXCEPTION_HANDLER="\"$(EXCEPTION_DIR)/exceptions.s\"" -DSPIM_VERSION="\"`cat ../VERSION`\""
 
-CC = gcc
-CFLAGS = -I. -I$(CPU_DIR) $(DEFINES) -g -Wall
-YFLAGS = -d --file-prefix=y
+CC? = gcc
+CFLAGS += -I. -I$(CPU_DIR) $(DEFINES) -Wall
+YFLAGS = -d
 YCFLAGS =
 LDFLAGS = -lm
-CSH = bash
+CSH = csh
 
 # lex.yy.c is usually compiled with -O to speed it up.
 
@@ -110,10 +110,10 @@
 
 
 spim:   force
-	make -f Makefile spim2
+	$(MAKE) -f Makefile spim2
 
 spim2:	$(OBJS) spim.o
-	$(CC) -g $(OBJS) spim.o $(LDFLAGS) -o spim -lm
+	$(CC) $(OBJS) spim.o $(LDFLAGS) -o spim -lm
 
 
 force:	configuration
@@ -196,7 +196,7 @@
 y.tab.h: y.tab.c
 
 y.tab.c: $(CPU_DIR)/parser.y
-	bison $(YFLAGS) $(CPU_DIR)/parser.y
+	yacc $(YFLAGS) $(CPU_DIR)/parser.y
 
 y.tab.o: y.tab.c
 	$(CC) $(CFLAGS) $(YCFLAGS) -c y.tab.c