[Minor] Propagate xxhash flags

diff --git a/contrib/xxhash/CMakeLists.txt b/contrib/xxhash/CMakeLists.txt
index e15eeaf531c7c2580658b514b5f921dd89c373b6..fa69efbe04307ac9e7211d70a75b9f5f75c96a22 100644 (file)
--- a/contrib/xxhash/CMakeLists.txt
+++ b/contrib/xxhash/CMakeLists.txt
@@ -10,4 +10,4 @@ else()
 ADD_DEFINITIONS(-DXXH_NO_INLINE_HINTS=1)
 ENDIF()
 
-set (CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DXXH_NO_INLINE_HINTS=1")
+set (CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DXXH_NO_INLINE_HINTS=1" PARENT_SCOPE)