Index: ecryptfs-utils-111/configure.ac
===================================================================
--- ecryptfs-utils-111.orig/configure.ac
+++ ecryptfs-utils-111/configure.ac
@@ -358,11 +358,17 @@ if test "${enable_gui}" = "yes"; then
 fi
 
 pkgconfigdir="\$(libdir)/pkgconfig"
-if test "${prefix}" = "/usr"; then
-	rootsbindir="/sbin"
-else
-	rootsbindir="\$(sbindir)"
+# check for rootsbindir environment var
+if test -z $rootsbindir; then
+	if test "${prefix}" = "/usr"; then
+		rootsbindir="/sbin"
+	else
+		rootsbindir="\$(sbindir)"
+	fi
+	export rootsbindir
 fi
+AC_ARG_VAR(rootsbindir, [Location of /sbin @<:@default=/sbin@:>@])
+
 
 GETTEXT_PACKAGE=ecryptfs-utils
 AC_SUBST(GETTEXT_PACKAGE)