From ef9e78c9d41a5ac644f08068e3dabad948b0e30a Mon Sep 17 00:00:00 2001
From: Oleksandr Byelkin <sanja@sanjaLaptopT>
Date: Wed, 13 Dec 2017 11:52:53 +0100
Subject: [PATCH] MDEV-14524 TokuDB is unable to be built on Linux

tokudb needs either F_NOCACHE or O_DIRECT, not both
---
 storage/tokudb/CMakeLists.txt | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/storage/tokudb/CMakeLists.txt b/storage/tokudb/CMakeLists.txt
index 4e0291545ec..f01c4aed449 100644
--- a/storage/tokudb/CMakeLists.txt
+++ b/storage/tokudb/CMakeLists.txt
@@ -4,13 +4,17 @@ IF(CMAKE_VERSION VERSION_LESS "2.8.9")
   MESSAGE(STATUS "CMake 2.8.9 or higher is required by TokuDB")
 ELSEIF(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" OR
        CMAKE_SYSTEM_PROCESSOR STREQUAL "amd64")
-# tokudb requires F_NOCACHE, O_DIRECT, and designated initializers
+# tokudb requires F_NOCACHE or O_DIRECT, and designated initializers
 CHECK_CXX_SOURCE_COMPILES(
 "
 #include <fcntl.h>
 struct a {int b; int c; };
 struct a d = { .b=1, .c=2 };
-int main() { return F_NOCACHE + O_DIRECT; }
+#if defined(O_DIRECT) || defined(F_NOCACHE)
+int main() { return 0; }
+#else
+#error
+#endif
 " TOKUDB_OK)
 ENDIF()