--- CMakeLists.txt.orig	2015-01-30 17:14:22.000000000 +0100
+++ CMakeLists.txt	2015-05-26 18:05:53.000000000 +0200
@@ -20,6 +20,8 @@
 ####################################
 include(cotire)
 
+set_property(GLOBAL PROPERTY COTIRE_ENABLE_PRECOMPILED_HEADER FALSE)
+
 # if setup using the Toolchain-llvm.cmake file, then use llvm...
 if(ENABLE_LLVM)
   include(Toolchain-llvm)
