From: Nathan Cutler <ncutler@suse.com>
Date: Thu, 27 Apr 2017 10:47:12 +0000 (+0200)
Subject: build/ops: cmake: explicitly disable MSSE 4.2 if not supported
X-Git-Tag: v12.0.3~180^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=5b51dee03595baa636e669c4ee89e526185ca8ae;p=ceph.git

build/ops: cmake: explicitly disable MSSE 4.2 if not supported

This became necessary when upstream unconditionally enabled MSSE 4.2
via https://github.com/facebook/rocksdb/commit/bc397325

Signed-off-by: Nathan Cutler <ncutler@suse.com>
Signed-off-by: Kefu Chai <kchai@redhat.com>
---

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 927a2044b3b6..e87957f41fe0 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -768,6 +768,8 @@ if (NOT WITH_SYSTEM_ROCKSDB)
   # with SSE 4.2. For details refer to rocksdb/util/crc32c.cc.
   if (HAVE_INTEL_SSE4_2)
     list(APPEND ROCKSDB_CMAKE_ARGS -DCMAKE_CXX_FLAGS=${SIMD_COMPILE_FLAGS})
+  else()
+    list(APPEND ROCKSDB_CMAKE_ARGS -DWITH_SSE42=OFF)
   endif()
   list(APPEND ROCKSDB_CMAKE_ARGS -DCMAKE_AR=${CMAKE_AR})
   list(APPEND ROCKSDB_CMAKE_ARGS -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE})