assume <ctype.h>, ..., <time.h> exist

[gnulib.git] / m4 / flock.m4

diff --git a/m4/flock.m4 b/m4/flock.m4
index ba22043..7d8c703 100644 (file)
--- a/m4/flock.m4
+++ b/m4/flock.m4
@@ -1,4 +1,4 @@
-# flock.m4 serial 1
+# flock.m4 serial 2
 dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -19,7 +19,7 @@ dnl Prerequisites of lib/flock.c.
 AC_DEFUN([gl_PREREQ_FLOCK],
 [
   AC_CHECK_FUNCS_ONCE([fcntl])
-  AC_CHECK_HEADERS_ONCE([unistd.h fcntl.h])
+  AC_CHECK_HEADERS_ONCE([unistd.h])
 
   dnl Do we have a POSIX fcntl lock implementation?
   AC_CHECK_MEMBERS([struct flock.l_type],[],[],[[#include <fcntl.h>]])