From 23ba9ad6e20f751e7d68f24f8d2dca7cb1c7e335 Mon Sep 17 00:00:00 2001
From: Kai Blin <kai@samba.org>
Date: Sun, 21 Mar 2010 12:53:44 +0100
Subject: build: Check for Linux kernel oplocks

---
 source3/wscript | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'source3')

diff --git a/source3/wscript b/source3/wscript
index f0d85326c6..589f1b4da2 100644
--- a/source3/wscript
+++ b/source3/wscript
@@ -58,6 +58,19 @@ main() {
 }''', 'HAVE_KERNEL_CHANGE_NOTIFY', addmain=False, execute=True,
         msg="Checking for kernel change notify support")
 
+    # Check for Linux kernel oplocks
+    conf.CHECK_CODE('''
+#include <sys/types.h>
+#include <fcntl.h>
+#include <signal.h>
+#ifndef F_NOTIFY
+#define F_NOTIFY 1026
+#endif
+main() {
+        exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
+}''', 'HAVE_KERNEL_OPLOCKS_LINUX', addmain=False, execute=True,
+        msg="Checking for Linux kernel oplocks")
+
     # Look for CUPS
     conf.find_program('cups-config', var='CUPS_CONFIG')
     if conf.env.CUPS_CONFIG:
-- 
cgit