Sync from coreutils.

[gnulib.git] / m4 / idcache.m4

diff --git a/m4/idcache.m4 b/m4/idcache.m4
index d0ae832..804ce42 100644 (file)
--- a/m4/idcache.m4
+++ b/m4/idcache.m4
@@ -1,4 +1,4 @@
-# idcache.m4 serial 4
+# idcache.m4 serial 5
 dnl Copyright (C) 2002, 2003, 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,
@@ -8,7 +8,4 @@ AC_DEFUN([gl_IDCACHE],
 [
   AC_LIBSOURCES([idcache.c])
   AC_LIBOBJ([idcache])
-
-  dnl Prerequisites of lib/idcache.c.
-  AC_CHECK_HEADERS_ONCE(unistd.h)
 ])