| dnl * |
| dnl * Copyright (c) 2001 Motoyuki Kasahara |
| dnl * |
| dnl * Redistribution and use in source and binary forms, with or without |
| dnl * modification, are permitted provided that the following conditions |
| dnl * are met: |
| dnl * 1. Redistributions of source code must retain the above copyright |
| dnl * notice, this list of conditions and the following disclaimer. |
| dnl * 2. Redistributions in binary form must reproduce the above copyright |
| dnl * notice, this list of conditions and the following disclaimer in the |
| dnl * documentation and/or other materials provided with the distribution. |
| dnl * 3. Neither the name of the project nor the names of its contributors |
| dnl * may be used to endorse or promote products derived from this software |
| dnl * without specific prior written permission. |
| dnl * |
| dnl * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
| dnl * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| dnl * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| dnl * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORSBE |
| dnl * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| dnl * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| dnl * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| dnl * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| dnl * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| dnl * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| dnl * THE POSSIBILITY OF SUCH DAMAGE. |
| dnl * |
| |
| dnl * |
| dnl * Check for h_errno. |
| dnl * |
| AC_DEFUN([AC_DECL_H_ERRNO], |
| [AC_CACHE_CHECK(for h_errno declaration in netdb.h, ac_cv_decl_h_errno, |
| [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
| #include <netdb.h>]], [[ |
| h_errno = 0; |
| ]])],[ac_cv_decl_h_errno=yes],[ac_cv_decl_h_errno=no])]) |
| if test "$ac_cv_decl_h_errno" = yes; then |
| AC_DEFINE(H_ERRNO_DECLARED, 1, |
| [Define to 1 if `h_errno' is declared by <netdb.h>]) |
| fi]) |
