From: Sage Weil <sage@newdream.net>
Date: Thu, 4 Mar 2010 17:45:44 +0000 (-0800)
Subject: autoconf: detect sync_file_range(2)
X-Git-Tag: v0.20~346
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=3a76b63f8dee6131e676915a26449efbb990a89b;p=ceph.git

autoconf: detect sync_file_range(2)
---

diff --git a/configure.ac b/configure.ac
index f1e21acc76ef..665fcdd6281f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -147,6 +147,12 @@ AC_CHECK_HEADER([openssl/md5.h],
 
 AC_CHECK_HEADERS([sys/xattr.h arpa/inet.h netdb.h netinet/in.h sys/file.h sys/ioctl.h sys/mount.h sys/param.h sys/socket.h sys/statvfs.h sys/time.h sys/vfs.h syslog.h utime.h])
 
+# sync_file_range
+AC_DEFINE([HAVE_SYNC_FILE_RANGE], [], [sync_file_range(2) is supported])
+AC_CHECK_FUNC([sync_file_range],
+	[AC_DEFINE([HAVE_SYNC_FILE_RANGE])],
+	[])
+
 # Checks for typedefs, structures, and compiler characteristics.
 #AC_HEADER_STDBOOL
 #AC_C_CONST