-#serial 5
-dnl Copyright (C) 2002, 2005 Free Software Foundation, Inc.
+#serial 9
+dnl Copyright (C) 2002, 2005-2006, 2009-2011 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_DEFUN([gl_UNISTD_SAFER],
[
- AC_LIBSOURCES([dup-safer.c, fd-safer.c, unistd-safer.h])
- AC_LIBOBJ([dup-safer])
- AC_LIBOBJ([fd-safer])
- AC_LIBOBJ([pipe-safer])
-
- gl_PREREQ_DUP_SAFER
- gl_PREREQ_FD_SAFER
-])
-
-# Prerequisites of lib/dup-safer.c.
-AC_DEFUN([gl_PREREQ_DUP_SAFER], [
- AC_CHECK_HEADERS_ONCE(unistd.h)
-])
-
-# Prerequisites of lib/fd-safer.c.
-AC_DEFUN([gl_PREREQ_FD_SAFER], [
- AC_CHECK_HEADERS_ONCE(unistd.h)
+ AC_CHECK_FUNCS_ONCE([pipe])
])