doc: use ASCII in .texi files where UTF-8 isn't needed

[gnulib.git] / m4 / sockpfaf.m4

diff --git a/m4/sockpfaf.m4 b/m4/sockpfaf.m4
index b8a64ad..31d436f 100644 (file)
--- a/m4/sockpfaf.m4
+++ b/m4/sockpfaf.m4
@@ -1,5 +1,5 @@
 # sockpfaf.m4 serial 8
-dnl Copyright (C) 2004, 2006, 2009-2011 Free Software Foundation, Inc.
+dnl Copyright (C) 2004, 2006, 2009-2014 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.
@@ -58,8 +58,13 @@ AC_DEFUN([gl_SOCKET_FAMILIES],
   if test $gl_cv_socket_ipv6 = yes; then
     AC_DEFINE([HAVE_IPV6], [1], [Define to 1 if <sys/socket.h> defines AF_INET6.])
   fi
+])
 
+AC_DEFUN([gl_SOCKET_FAMILY_UNIX],
+[
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
   AC_CHECK_HEADERS_ONCE([sys/un.h])
+
   AC_MSG_CHECKING([for UNIX domain sockets])
   AC_CACHE_VAL([gl_cv_socket_unix],
     [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>