diff -Naur a/cmake/FindCUDA.cmake b/cmake/FindCUDA.cmake
--- a/cmake/FindCUDA.cmake	2018-05-26 12:57:45.698858052 +0100
+++ b/cmake/FindCUDA.cmake	2018-05-26 16:49:01.196390803 +0100
@@ -447,8 +447,8 @@
 # Parse HOST_COMPILATION mode.
 option(CUDA_HOST_COMPILATION_CPP "Generated file extension" ON)
 
-# Extra user settable flags
-set(CUDA_NVCC_FLAGS "" CACHE STRING "Semi-colon delimit multiple arguments.")
+ #Extra user settable flags
+set(CUDA_NVCC_FLAGS "--expt-relaxed-constexpr;" CACHE STRING "Semi-colon delimit multiple arguments.")
 
 if(CMAKE_GENERATOR MATCHES "Visual Studio")
   set(_CUDA_MSVC_HOST_COMPILER "$(VCInstallDir)Tools/MSVC/$(VCToolsVersion)/bin/Host$(Platform)/$(PlatformTarget)")
