From 64b663c0c479a3af01e3ccacdb3aa3f6a8c4a6a1 Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Sat, 25 Oct 2008 22:51:05 +0200
Subject: Reduce the dependencies of m4/sys_socket_h.m4.

---
 m4/sys_socket_h.m4 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'm4/sys_socket_h.m4')

diff --git a/m4/sys_socket_h.m4 b/m4/sys_socket_h.m4
index 9d2d92c5a2..85a0ace8ad 100644
--- a/m4/sys_socket_h.m4
+++ b/m4/sys_socket_h.m4
@@ -71,8 +71,8 @@ AC_DEFUN([gl_HEADER_SYS_SOCKET],
 # Sets and substitutes HAVE_WINSOCK2_H.
 AC_DEFUN([gl_PREREQ_SYS_H_WINSOCK2],
 [
-  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
-  AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS])
+  m4_ifdef([gl_UNISTD_H_DEFAULTS], [AC_REQUIRE([gl_UNISTD_H_DEFAULTS])])
+  m4_ifdef([gl_SYS_IOCTL_H_DEFAULTS], [AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS])])
   AC_CHECK_HEADERS_ONCE([sys/socket.h])
   if test $ac_cv_header_sys_socket_h != yes; then
     dnl We cannot use AC_CHECK_HEADERS_ONCE here, because that would make
-- 
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