--- spim/Makefile.orig	2010-01-09 14:22:57.000000000 +0900
+++ spim/Makefile	2010-01-17 01:44:59.000000000 +0900
@@ -66,13 +66,13 @@
 
 
 # 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/spim
+EXCEPTION_DIR = ${PREFIX}/share/spim
 
 # Full path for the directory that will hold the man files:
-MAN_DIR = /usr/local/man/en
+MAN_DIR = ${MANPREFIX}/man/man1
 
 
 # If you have flex, use it instead of lex.  If you use flex, define this
@@ -104,12 +104,12 @@
 
 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.
 
@@ -122,10 +122,10 @@
 
 
 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
@@ -211,7 +211,7 @@
 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