From: Kefu Chai <kchai@redhat.com>
Date: Tue, 9 May 2017 06:52:58 +0000 (+0800)
Subject: cmake: use cmake module to detect endianness
X-Git-Tag: v12.0.3~23^2~5
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=e0347b39fb45c9a1569aecfb4830b3c5cafc1133;p=ceph.git

cmake: use cmake module to detect endianness

Signed-off-by: Kefu Chai <kchai@redhat.com>
---

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 0c87b5507d6..c68c5fe1427 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -824,6 +824,12 @@ if (NOT WITH_SYSTEM_ROCKSDB)
 
 endif(NOT WITH_SYSTEM_ROCKSDB)
 
+include(TestBigEndian)
+test_big_endian(CEPH_BIG_ENDIAN)
+if(NOT CEPH_BIG_ENDIAN)
+  set(CEPH_LITTLE_ENDIAN 1)
+endif()
+
 add_subdirectory(kv)
 add_subdirectory(os)
 
diff --git a/src/include/config-h.in.cmake b/src/include/config-h.in.cmake
index 8a903ef6108..5569e2cf46c 100644
--- a/src/include/config-h.in.cmake
+++ b/src/include/config-h.in.cmake
@@ -313,6 +313,12 @@
 /* Support POWER8 instructions */
 #cmakedefine HAVE_POWER8
 
+/* Define if endian type is big endian */
+#cmakedefine CEPH_BIG_ENDIAN
+
+/* Define if endian type is little endian */
+#cmakedefine CEPH_LITTLE_ENDIAN
+
 #cmakedefine PYTHON_EXECUTABLE "@PYTHON_EXECUTABLE@"
 
 #endif /* CONFIG_H */