From 871cc5f9874c3a4b9c8f113f0cb9079745a7e840 Mon Sep 17 00:00:00 2001
From: Jonathan Wiepert <jwiepert@fb.com>
Date: Tue, 16 Feb 2016 12:16:47 -0800
Subject: [PATCH] fix build without gflags

Test Plan:
Built and ran with gflags:
% ./db_bench
LevelDB:    version 4.5
Date:       Tue Feb 16 12:04:23 2016
CPU:        40 * Intel(R) Xeon(R) CPU E5-2660 v2 @ 2.20GHz
...

And without gflags:
% ./db_bench
Please install gflags to run rocksdb tools
%

Reviewers: sdong, igor

Reviewed By: igor

Subscribers: igor, dhruba

Differential Revision: https://reviews.facebook.net/D54243
---
 tools/db_bench_tool.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/db_bench_tool.cc b/tools/db_bench_tool.cc
index 26c9f38e1..65ce703f1 100644
--- a/tools/db_bench_tool.cc
+++ b/tools/db_bench_tool.cc
@@ -11,6 +11,7 @@
 #define __STDC_FORMAT_MACROS
 #endif
 
+#ifdef GFLAGS
 #ifdef NUMA
 #include <numa.h>
 #include <numaif.h>
@@ -4132,3 +4133,4 @@ int db_bench_tool(int argc, char** argv) {
   return 0;
 }
 }  // namespace rocksdb
+#endif