diff -Naur frotz-2.41-orig/Makefile frotz-2.41/Makefile
--- frotz-2.41-orig/Makefile	Tue May 29 19:37:45 2001
+++ frotz-2.41/Makefile	Tue May 29 19:38:55 2001
@@ -1,6 +1,6 @@
 #Define your C compiler.  I recommend gcc if you have it.
-CC = gcc
-#CC = cc
+#CC = gcc
+CC = cc
 
 # Define your optimization flags.  Most compilers understand -O and -O2,
 # Standard (note: Solaris on UltraSparc using gcc 2.8.x might not like this.)
@@ -10,11 +10,11 @@
 #-malign-jumps=2
 
 # Define where you want Frotz to be installed.  Usually this is /usr/local
-PREFIX = /usr/local
+PREFIX = @PREFIX@
 #PREFIX =
 
 # Define where you want Frotz to look for frotz.conf.
-CONFIG_DIR = /usr/local/etc
+CONFIG_DIR = @PREFIX@/etc
 #CONFIG_DIR = /etc
 #CONFIG_DIR = /usr/pkg/etc
 #CONFIG_DIR =
@@ -32,7 +32,7 @@
 
 # This should point to the location of your curses.h or ncurses.h include
 # file if your compiler doesn't know about it.
-INCL = -I/usr/local/include
+INCL = -I@PREFIX@/include
 #INCL = -I/usr/pkg/include
 #INCL = -I/usr/freeware/include
 #INCL = -I/5usr/include
@@ -41,7 +41,7 @@
 # This should define the location and name of whatever curses library you're
 # linking with.  Usually, this isn't necessary if /etc/ld.so.conf is set
 # up correctly.
-LIB = -L/usr/local/lib
+LIB = -L@PREFIX@/lib
 #LIB = -L/usr/pkg/lib
 #LIB = -L/usr/freeware/lib
 #LIB = -L/5usr/lib