1 files changed, 0 insertions, 56 deletions
diff --git a/m4/sockpfaf.m4 b/m4/sockpfaf.m4
deleted file mode 100644
index 391abea24..000000000
--- a/m4/sockpfaf.m4
+++ /dev/null
@@ -1,56 +0,0 @@
-# sockpfaf.m4 serial 4
-dnl Copyright (C) 2004, 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.
-
-dnl Test for some common socket protocol families (PF_INET, PF_INET6, ...)
-dnl and some common address families (AF_INET, AF_INET6, ...).
-dnl This test assumes that a system supports an address family if and only if
-dnl it supports the corresponding protocol family.
-
-dnl From Bruno Haible.
-
-AC_DEFUN([gl_SOCKET_FAMILIES],
-[
-  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-  AC_CHECK_HEADERS_ONCE([netinet/in.h])
-
-  AC_MSG_CHECKING(for IPv4 sockets)
-  AC_CACHE_VAL(gl_cv_socket_ipv4,
-    [AC_TRY_COMPILE([#include <sys/types.h>
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
-#endif
-#ifdef HAVE_WINSOCK2_H
-#include <winsock2.h>
-#endif],
-[int x = AF_INET; struct in_addr y; struct sockaddr_in z;],
-       gl_cv_socket_ipv4=yes, gl_cv_socket_ipv4=no)])
-  AC_MSG_RESULT($gl_cv_socket_ipv4)
-  if test $gl_cv_socket_ipv4 = yes; then
-    AC_DEFINE(HAVE_IPV4, 1, [Define to 1 if <sys/socket.h> defines AF_INET.])
-  fi
-
-  AC_MSG_CHECKING(for IPv6 sockets)
-  AC_CACHE_VAL(gl_cv_socket_ipv6,
-    [AC_TRY_COMPILE([#include <sys/types.h>
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
-#endif
-#ifdef HAVE_WINSOCK2_H
-#include <winsock2.h>
-#endif],
-[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;],
-       gl_cv_socket_ipv6=yes, gl_cv_socket_ipv6=no)])
-  AC_MSG_RESULT($gl_cv_socket_ipv6)
-  if test $gl_cv_socket_ipv6 = yes; then
-    AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if <sys/socket.h> defines AF_INET6.])
-  fi
-])