diff -Pdpru a/configure.in b/configure.in
--- a/configure.in	2012-09-19 14:44:09.592017464 +0200
+++ b/configure.in	2012-09-19 15:21:45.555515336 +0200
@@ -1265,7 +1276,7 @@ if test "$enable_pam" = "yes"; then
        AC_MSG_RESULT(no);LIBS="$oldlibs")
 fi
 
-AC_ARG_ENABLE(use_locale, [  --enable-locale         use localized month/day names])
+AC_ARG_ENABLE(use_locale, [  --enable-use-locale    use localized month/day names])
 if test "$enable_use_locale" = "yes"; then
   AC_DEFINE(USE_LOCALE)
 fi