-# pty.m4 serial 7
+# pty.m4 serial 8
dnl Copyright (C) 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 We assume that forkpty exists (possibly in libc, possibly in libutil)
dnl if and only if it is declared.
AC_CHECK_DECLS([forkpty],,, [[
+/* <sys/types.h> is a prerequisite of <libutil.h> on FreeBSD 8.0. */
+#include <sys/types.h>
#if HAVE_PTY_H
# include <pty.h>
#endif
[gl_cv_func_forkpty_const],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
+/* <sys/types.h> is a prerequisite of <libutil.h> on FreeBSD 8.0. */
+#include <sys/types.h>
#if HAVE_PTY_H
# include <pty.h>
#endif
dnl We assume that openpty exists (possibly in libc, possibly in libutil)
dnl if and only if it is declared.
AC_CHECK_DECLS([openpty],,, [[
+/* <sys/types.h> is a prerequisite of <libutil.h> on FreeBSD 8.0. */
+#include <sys/types.h>
#if HAVE_PTY_H
# include <pty.h>
#endif
[gl_cv_func_openpty_const],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
+/* <sys/types.h> is a prerequisite of <libutil.h> on FreeBSD 8.0. */
+#include <sys/types.h>
#if HAVE_PTY_H
# include <pty.h>
#endif