2 dnl Copyright (C) 2008 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_HEADER_NETDB],
9 AC_REQUIRE([gl_NETDB_H_DEFAULTS])
10 AC_CACHE_CHECK([whether <netdb.h> is self-contained],
11 [gl_cv_header_netdb_h_selfcontained],
13 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
14 [[struct hostent h;]])],
15 [gl_cv_header_netdb_h_selfcontained=yes],
16 [gl_cv_header_netdb_h_selfcontained=no])
18 if test $gl_cv_header_netdb_h_selfcontained = yes; then
22 gl_CHECK_NEXT_HEADERS([netdb.h])
23 if test $ac_cv_header_netdb_h = yes; then
28 AC_SUBST([HAVE_NETDB_H])
33 AC_DEFUN([gl_NETDB_MODULE_INDICATOR],
35 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
36 AC_REQUIRE([gl_NETDB_H_DEFAULTS])
37 GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
40 AC_DEFUN([gl_NETDB_H_DEFAULTS],