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# netdb_h.m4 serial 9
dnl Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_HEADER_NETDB],
[
AC_REQUIRE([gl_NETDB_H_DEFAULTS])
AC_CHECK_HEADERS_ONCE([netdb.h])
gl_CHECK_NEXT_HEADERS([netdb.h])
if test $ac_cv_header_netdb_h = yes; then
HAVE_NETDB_H=1
else
HAVE_NETDB_H=0
fi
AC_SUBST([HAVE_NETDB_H])
dnl Check for declarations of anything we want to poison if the
dnl corresponding gnulib module is not in use.
gl_WARN_ON_USE_PREPARE([[#include <netdb.h>]],
[getaddrinfo freeaddrinfo gai_strerror getnameinfo])
])
AC_DEFUN([gl_NETDB_MODULE_INDICATOR],
[
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
AC_REQUIRE([gl_NETDB_H_DEFAULTS])
gl_MODULE_INDICATOR_SET_VARIABLE([$1])
])
AC_DEFUN([gl_NETDB_H_DEFAULTS],
[
GNULIB_GETADDRINFO=0; AC_SUBST([GNULIB_GETADDRINFO])
dnl Assume proper GNU behavior unless another module says otherwise.
HAVE_STRUCT_ADDRINFO=1; AC_SUBST([HAVE_STRUCT_ADDRINFO])
HAVE_DECL_FREEADDRINFO=1; AC_SUBST([HAVE_DECL_FREEADDRINFO])
HAVE_DECL_GAI_STRERROR=1; AC_SUBST([HAVE_DECL_GAI_STRERROR])
HAVE_DECL_GETADDRINFO=1; AC_SUBST([HAVE_DECL_GETADDRINFO])
HAVE_DECL_GETNAMEINFO=1; AC_SUBST([HAVE_DECL_GETNAMEINFO])
])
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