--- src/CMakeLists.txt.orig	2019-04-01 04:04:44 UTC
+++ src/CMakeLists.txt
@@ -2,20 +2,26 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
 set(CHECK_MPI 1 CACHE BOOL "Check MPI availability")
 
 if (${HAVE_AVX2})
+    MESSAGE(STATUS "SIMD: HAVE_AVX2 is set")
     ADD_DEFINITIONS("-DAVX2")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx2 -Wa,-q")
 elseif (${HAVE_SSE2})
+    MESSAGE(STATUS "SIMD: HAVE_SSE2 is set")
     ADD_DEFINITIONS("-DSSE")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse -msse2")
 else ()
+    MESSAGE(STATUS "SIMD: No HAVE_AVX2 or HAVE_SSE2 are set, trying to detect them")
     include(CheckSSEFeatures)
     ADD_DEFINITIONS(${CXX_DFLAGS})
     if (${HAVE_AVX2_EXTENSIONS})
+        MESSAGE(STATUS "SIMD: Found AVX2")
         ADD_DEFINITIONS("-DAVX2")
     elseif (${HAVE_SSE2_EXTENSIONS})
+        MESSAGE(STATUS "SIMD: Found SSE2")
         ADD_DEFINITIONS("-DSSE")
     else ()
-        message(FATAL_ERROR "At least SSE2 instruction set support is required! CMake will exit.")
+        #message(FATAL_ERROR "At least SSE2 instruction set support is required! CMake will exit.")
+        message(STATUS "SIMD: This platform doesn't have a supported SIMD instruction set, expect it to be slow.")
     endif (${HAVE_AVX2_EXTENSIONS})
 endif ()
 
