X-Git-Url: http://git.alex.org.uk

diff --git a/configure.ac b/configure.ac
index 90577f5..cff4928 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 dnl Configure script for NBD system
 dnl (c) 1998 Martin Mares <mj@ucw.cz>, (c) 2000 Pavel Machek <pavel@ucw.cz>,
 dnl (c) 2003-2006 Wouter Verhelst <wouter@debian.org>
-AC_INIT([nbd],[2.9.20],[wouter@debian.org])
+AC_INIT([nbd],[2.9.21a],[wouter@debian.org])
 AM_INIT_AUTOMAKE(foreign dist-bzip2)
 AM_MAINTAINER_MODE
 
@@ -93,7 +93,10 @@ AC_CHECK_SIZEOF(unsigned short int)
 AC_CHECK_SIZEOF(unsigned int)
 AC_CHECK_SIZEOF(unsigned long int)
 AC_CHECK_SIZEOF(unsigned long long int)
-AC_CHECK_FUNCS([llseek alarm gethostbyname inet_ntoa memset socket strerror strstr])
+AC_CHECK_FUNCS([llseek alarm gethostbyname inet_ntoa memset socket strerror strstr mkstemp])
+AC_CHECK_FUNC([sync_file_range],
+	[AC_DEFINE([HAVE_SYNC_FILE_RANGE], [sync_file_range(2) is not supported], [sync_file_range(2) is supported])],
+        [])
 AC_FUNC_FORK
 AC_FUNC_SETVBUF_REVERSED
 AC_MSG_CHECKING(whether client should be built)