ChangeLog: add entry for "init.sh: automatically accommodate programs with the .exe...

[gnulib.git] / m4 / sys_socket_h.m4

diff --git a/m4/sys_socket_h.m4 b/m4/sys_socket_h.m4
index e864b2c..1d47656 100644 (file)
--- a/m4/sys_socket_h.m4
+++ b/m4/sys_socket_h.m4
@@ -1,5 +1,5 @@
-# sys_socket_h.m4 serial 13
-dnl Copyright (C) 2005-2009 Free Software Foundation, Inc.
+# sys_socket_h.m4 serial 14
+dnl Copyright (C) 2005-2010 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.
@@ -66,6 +66,18 @@ AC_DEFUN([gl_HEADER_SYS_SOCKET],
     gl_PREREQ_SYS_H_WINSOCK2
   fi
   AC_SUBST([SYS_SOCKET_H])
+
+  dnl Check for declarations of anything we want to poison if the
+  dnl corresponding gnulib module is not in use.
+  gl_WARN_ON_USE_PREPARE([[
+/* Some systems require prerequisite headers.  */
+#include <sys/types.h>
+#if !defined __GLIBC__ && HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+#include <sys/select.h>
+    ]], [socket connect accept bind getpeername getsockname getsockopt
+    listen recv send recvfrom sendto setsockopt shutdown accept4])
 ])
 
 AC_DEFUN([gl_PREREQ_SYS_H_SOCKET],