-# getaddrinfo.m4 serial 3
-dnl Copyright (C) 2004 Free Software Foundation, Inc.
+# getaddrinfo.m4 serial 9
+dnl Copyright (C) 2004, 2005, 2006 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_GETADDRINFO],
[
- AC_SEARCH_LIBS(getaddrinfo, nsl socket)
- AC_REPLACE_FUNCS(getaddrinfo gai_strerror)
+ AC_MSG_NOTICE([checking how to do getaddrinfo])
+
+ AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
+ AC_CHECK_FUNCS(getaddrinfo,, [
+ AC_CACHE_CHECK(for getaddrinfo in ws2tcpip.h and -lws2_32,
+ gl_cv_w32_getaddrinfo, [
+ gl_cv_w32_getaddrinfo=no
+ am_save_LIBS="$LIBS"
+ LIBS="$LIBS -lws2_32"
+ AC_TRY_LINK([
+#ifdef HAVE_WS2TCPIP_H
+#define WINVER 0x0501
+#include <ws2tcpip.h>
+#endif
+], [getaddrinfo(0, 0, 0, 0);], gl_cv_w32_getaddrinfo=yes)
+ LIBS="$am_save_LIBS"])
+ if test "$gl_cv_w32_getaddrinfo" = "yes"; then
+ LIBS="$LIBS -lws2_32"
+ else
+ AC_LIBOBJ(getaddrinfo)
+ fi
+ ])
+
+ AC_REPLACE_FUNCS(gai_strerror)
gl_PREREQ_GETADDRINFO
])
# Prerequisites of lib/getaddrinfo.h and lib/getaddrinfo.c.
AC_DEFUN([gl_PREREQ_GETADDRINFO], [
+ AC_SEARCH_LIBS(gethostbyname, [inet nsl])
+ AC_SEARCH_LIBS(getservbyname, [inet nsl socket xnet])
AC_REQUIRE([gl_C_RESTRICT])
AC_REQUIRE([gl_SOCKET_FAMILIES])
+ AC_REQUIRE([gl_HEADER_SYS_SOCKET])
AC_REQUIRE([AC_C_INLINE])
+ AC_REQUIRE([AC_GNU_SOURCE])
+ AC_CHECK_HEADERS_ONCE(netinet/in.h netdb.h)
+ AC_CHECK_DECLS([getaddrinfo, freeaddrinfo, gai_strerror],,,[
+ /* sys/types.h is not needed according to POSIX, but the
+ sys/socket.h in i386-unknown-freebsd4.10 and
+ powerpc-apple-darwin5.5 required it. */
+#include <sys/types.h>
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_WS2TCPIP_H
+#define WINVER 0x0501
+#include <ws2tcpip.h>
+#endif
+])
+ AC_CHECK_TYPES([struct addrinfo],,,[
+#include <sys/types.h>
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_WS2TCPIP_H
+#define WINVER 0x0501
+#include <ws2tcpip.h>
+#endif
+])
])