#endif
])
+# Check if we have reentrant versions of getopt. Argp needs them,
+# but many versions of Glibc lack them, though they define the
+# same getopt interface version as lib/getopt.c.
+AC_CHECK_FUNC(_getopt_long_only_r,
+ :,
+ [AC_DEFINE(WANT_INCLUDED_GETOPT,1,
+ [Define if the included version of getopt has to be used])])
+
AC_SUBST(BACKUP_LIBEXEC_SCRIPTS)
AC_SUBST(BACKUP_SBIN_SCRIPTS)
AC_ARG_ENABLE(backup-scripts,