From 86e53416e5758d56e950af6cfbe407065ef36879 Mon Sep 17 00:00:00 2001
From: Bruce Cran <bruce@cran.org.uk>
Date: Sat, 2 Feb 2013 20:54:36 +0000
Subject: [PATCH] Default to CS_GTOD if CONFIG_CLOCK_GETTIME isn't defined.

Defaulting the clock source to CS_CGETTIME broke on OS X because it
doesn't have clock_gettime. Use CS_GTOD if CONFIG_CLOCK_GETTIME isn't
defined.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 os/os.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/os/os.h b/os/os.h
index ef9f91f5..ce331601 100644
--- a/os/os.h
+++ b/os/os.h
@@ -125,7 +125,11 @@ typedef unsigned long os_cpu_mask_t;
 #endif
 
 #ifndef FIO_PREFERRED_CLOCK_SOURCE
+#ifdef CONFIG_CLOCK_GETTIME
 #define FIO_PREFERRED_CLOCK_SOURCE	CS_CGETTIME
+#else
+#define FIO_PREFERRED_CLOCK_SOURCE	CS_GTOD
+#endif
 #endif
 
 #ifndef FIO_MAX_JOBS
-- 
2.25.1