Index: tools/clang/CMakeLists.txt
--- tools/clang/CMakeLists.txt.orig	2017-02-21 20:55:46.000000000 +0100
+++ tools/clang/CMakeLists.txt	2017-03-13 19:11:51.757856000 +0100
@@ -180,11 +180,6 @@
 # we can include cmake files from this directory.
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
 
-find_package(LibXml2 2.5.3 QUIET)
-if (LIBXML2_FOUND)
-  set(CLANG_HAVE_LIBXML 1)
-endif()
-
 include(CheckIncludeFile)
 check_include_file(sys/resource.h CLANG_HAVE_RLIMITS)