-# ioctl.m4 serial 3
-dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
+# ioctl.m4 serial 4
+dnl Copyright (C) 2008-2012 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_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <sys/ioctl.h>]],
- [[extern int ioctl (int, int, ...);]])
+ [[extern
+ #ifdef __cplusplus
+ "C"
+ #endif
+ int ioctl (int, int, ...);
+ ]])
],
[gl_cv_func_ioctl_posix_signature=yes],
[gl_cv_func_ioctl_posix_signature=no])