1 dnl * 2 dnl * Copyright (c) 2001 Motoyuki Kasahara 3 dnl * 4 dnl * Redistribution and use in source and binary forms, with or without 5 dnl * modification, are permitted provided that the following conditions 6 dnl * are met: 7 dnl * 1. Redistributions of source code must retain the above copyright 8 dnl * notice, this list of conditions and the following disclaimer. 9 dnl * 2. Redistributions in binary form must reproduce the above copyright 10 dnl * notice, this list of conditions and the following disclaimer in the 11 dnl * documentation and/or other materials provided with the distribution. 12 dnl * 3. Neither the name of the project nor the names of its contributors 13 dnl * may be used to endorse or promote products derived from this software 14 dnl * without specific prior written permission. 15 dnl * 16 dnl * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 17 dnl * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 dnl * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 dnl * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORSBE 20 dnl * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 dnl * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 dnl * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 dnl * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 dnl * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 dnl * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 dnl * THE POSSIBILITY OF SUCH DAMAGE. 27 dnl * 28 29 dnl * 30 dnl * Check for struct in6_addr 31 dnl * 32 AC_DEFUN([AC_STRUCT_IN6_ADDR], 33 [AC_CACHE_CHECK(for struct in6_addr, ac_cv_struct_in6_addr, 34 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 35 #include <sys/types.h> 36 #include <sys/socket.h> 37 #include <netinet/in.h>]], [[ 38 struct in6_addr address; 39 ]])],[ac_cv_struct_in6_addr=yes],[ac_cv_struct_in6_addr=no])]) 40 if test "$ac_cv_struct_in6_addr" = yes; then 41 AC_DEFINE(HAVE_STRUCT_IN6_ADDR, 1, 42 [Define to 1 if <netinet/in.h> defines `struct in6_addr']) 43 fi]) 44 45 dnl * 46 dnl * Check for in6addr_any. 47 dnl * 48 AC_DEFUN([AC_DECL_IN6ADDR_ANY], 49 [AC_REQUIRE([AC_STRUCT_IN6_ADDR]) 50 if test $ac_cv_struct_in6_addr = no; then 51 ac_cv_decl_in6addr_any=no 52 else 53 AC_CACHE_CHECK(for in6addr_any declaration in netinet/in.h, 54 ac_cv_decl_in6addr_any, 55 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 56 #include <sys/types.h> 57 #include <sys/socket.h> 58 #include <netinet/in.h>]], [[ 59 unsigned char *address; 60 address = (char *)&in6addr_any; 61 ]])],[ac_cv_decl_in6addr_any=yes],[ac_cv_decl_in6addr_any=no])]) 62 if test "$ac_cv_decl_in6addr_any" = yes; then 63 AC_DEFINE(IN6ADDR_ANY_DECLARED, 1, 64 [Define to 1 if `in6addr_any' is declared by <netinet/in.h>]) 65 fi 66 fi]) 67 68 dnl * 69 dnl * Check for in6addr_loopback. 70 dnl * 71 AC_DEFUN([AC_DECL_IN6ADDR_LOOPBACK], 72 [AC_REQUIRE([AC_STRUCT_IN6_ADDR]) 73 if test $ac_cv_struct_in6_addr = no; then 74 ac_cv_decl_in6addr_loopback=no 75 else 76 AC_CACHE_CHECK(for in6addr_loopback declaration in netinet/in.h, 77 ac_cv_decl_in6addr_loopback, 78 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 79 #include <sys/types.h> 80 #include <sys/socket.h> 81 #include <netinet/in.h>]], [[ 82 unsigned char *address; 83 address = (char *)&in6addr_loopback; 84 ]])],[ac_cv_decl_in6addr_loopback=yes],[ac_cv_decl_in6addr_loopback=no])]) 85 if test "$ac_cv_decl_in6addr_loopback" = yes; then 86 AC_DEFINE(IN6ADDR_LOOPBACK_DECLARED, 1, 87 [Define to 1 if `in6addr_loopback' is declared by <netinet/in.h>]) 88 fi 89 fi]) 90
