Sync from coreutils.

[gnulib.git] / m4 / unistd-safer.m4

diff --git a/m4/unistd-safer.m4 b/m4/unistd-safer.m4
index c819c92..6fbe4c6 100644 (file)
--- a/m4/unistd-safer.m4
+++ b/m4/unistd-safer.m4
@@ -1,4 +1,4 @@
-#serial 6
+#serial 7
 dnl Copyright (C) 2002, 2005 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -10,17 +10,4 @@ AC_DEFUN([gl_UNISTD_SAFER],
   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)
 ])