-AC_CHECK_LIB(nsl_r, gethostbyname_r, [],
- AC_CHECK_LIB(nsl, gethostbyname_r))
-AC_CHECK_FUNC(gethostbyname_r)
-+AC_CHECK_FUNC(gethostbyname_r, []
++AC_CHECK_FUNC(gethostbyname_r, [],
+ [AC_CHECK_LIB(nsl_r, gethostbyname_r, [],
+ [AC_CHECK_LIB(nsl, gethostbyname_r)])])