+# 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,
+ AC_HELP_STRING([--enable-backup-scripts],
+ [Create and install backup and restore scripts]),
+ [case $enableval in
+ yes) BACKUP_LIBEXEC_SCRIPTS='$(BACKUP_LIBEXEC_SCRIPTS_LIST)'
+ BACKUP_SBIN_SCRIPTS='$(BACKUP_SBIN_SCRIPTS_LIST)'
+ ;;
+ esac])
+
+AC_SUBST(BACKUP_SED_COND)
+if date +%Y-%m-%d 2>/dev/null >&2; then
+ BACKUP_SED_COND='/^\#ELSE_DATE_FORMAT_OK/,/^\#ENDIF_DATE_FORMAT_OK/d;/^\#IF_DATE_FORMAT_OK/d'
+else
+ BACKUP_SED_COND='/^\#IF_DATE_FORMAT_OK/,/^\#ELSE_DATE_FORMAT_OK/d;/^\#ENDIF_DATE_FORMAT_OK/d'
+fi
+
+