+AC_CHECK_FUNCS(strftime_l uselocale gettext)
+
+if test "$ok_nls" != "no"; then
+ AC_CHECK_PROG(ok_xgettext, xgettext, yes, no)
+ ok_nls=$ok_xgettext
+fi
+
+if test "$ok_nls" != "no"; then
+ AC_CHECK_PROG(ok_msgmerge, msgmerge, yes, no)
+ ok_nls=$ok_msgmerge
+fi
+
+if test "$ok_nls" != "no"; then
+ AC_CHECK_PROG(ok_msgfmt, msgfmt, yes, no)
+ ok_nls=$ok_msgfmt
+fi
+
+if test "$ok_nls" != "no"; then
+ AC_MSG_RESULT(citadel will be built with national language support.)
+ AC_DEFINE(ENABLE_NLS, [], [whether we have NLS support])
+ PROG_SUBDIRS="$PROG_SUBDIRS po/citadel-setup"
+else
+ AC_MSG_RESULT(citadel will be built without national language support.)
+fi