diff -ruN scid-orig/Makefile scid/Makefile
--- scid-orig/Makefile	2009-01-02 00:21:46.000000000 +0100
+++ scid/Makefile	2009-01-02 00:29:56.000000000 +0100
@@ -6,14 +6,15 @@
 CC = gcc
 LINK = g++
 DESTDIR =
+prefix = /usr/local
 
 # BINDIR: where the Scid programs are copied for "make install".
 #
-BINDIR = /usr/local/bin
+BINDIR = $(prefix)/bin
 
 # SHAREDIR: where scid.eco is copied for "make install".
 #
-SHAREDIR = /usr/local/share/scid
+SHAREDIR = $(prefix)/share/scid
 
 ### TCL_VERSION: Set this according to the version of Tcl/Tk you have
 #   installed that you want Scid to use: 8.0, 8.1, 8.2, 8.3, etc.
@@ -27,9 +28,9 @@
 #
 # The settings determined by "./configure" are:
 #
-TCL_INCLUDE = -I/usr/local/ActiveTcl8.5/include
-TCL_LIBRARY = -L/usr/local/ActiveTcl8.5/lib -ltcl$(TCL_VERSION) -ldl
-TK_LIBRARY  = $(TCL_LIBRARY) -ltk$(TCL_VERSION) -L/usr/lib -lX11
+TCL_INCLUDE = -I$(prefix)/include -I/usr/X11R6/include
+TCL_LIBRARY = -L$(prefix)/lib -ltcl$(TCL_VERSION) -ldl
+TK_LIBRARY  = $(TCL_LIBRARY) -ltk$(TCL_VERSION) -L/usr/X11R6/lib -lX11
 
 ### Here are other commonly used settings for the Tcl/Tk compiler options: