diff --git a/INSTALL b/INSTALL
index ae4228c..dbd2e94 100644
--- a/INSTALL
+++ b/INSTALL
@@ -32,6 +32,19 @@ Building:
 	please send me email with a complete copy of the output of scons as
 	well as a copy of the config.log file.
 
+SCons command line options:
+	prefix=directory	set installation directory
+	disable-timeout=yes	client utilities never timeouts
+	enable-debug=yes	compile in extra debug code
+	enable-lamerpack=yes	build lamer pack version of fspd
+	lockprefix=directory	set directory for creating client lock files
+	locking=type		set locking type, default autodetected
+				type is one of: none, lockf, semop, flock, shmget
+	enable-maintainer-mode=yes compile with libefence debug library and
+				   some extra debug information
+	mandir=directory	where to install man pages. default autodetect
+	sysconfdir=directory	where to look for fspd and client configuration
+				files. Default prefix/etc			   
 Client utilities:
         All inter-command states are kept in these three shell environment
         variables.