turned sse or avx or avx2 true by default base on the CPU capacities

CMakeLists.txt

@@ -19,8 +19,12 @@ if(insource)
   message(FATAL_ERROR "${PROJECT_NAME} requires an out of source build. Goto ./Build and tapes cmake ../")
 endif(insource)
 
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/CMakeModules/)
 set(SCALFMM_CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/CMakeModules)
 
+include(GetCpuInfos)
+GetCpuInfos()
+
 # Adds the CMAKE_DEPENDENT_OPTION command
 INCLUDE(CMakeDependentOption)
 
@@ -65,9 +69,9 @@ if (MORSE_DISTRIB_DIR OR EXISTS "${CMAKE_SOURCE_DIR}/CMakeModules/morse/")
   option( SCALFMM_USE_MEM_STATS        "Set to ON to profile memory"                 OFF )
   option( SCALFMM_ATTACHE_SOURCE       "Set to ON to compile with -g"                OFF )
   option( SCALFMM_USE_ADDONS           "Set to ON to compile add ons"                OFF )
-  option( SCALFMM_USE_SSE              "Set to ON to compile with SSE support (and use intrinsec SSE P2P)"  ON  )
-  option( SCALFMM_USE_AVX              "Set to ON to compile with AVX support (and use intrinsec AVX P2P)" OFF  )
-  option( SCALFMM_USE_AVX2             "Set to ON to compile with AVX support (and use intrinsec AVXZ P2P)" OFF )
+  CMAKE_DEPENDENT_OPTION( SCALFMM_USE_SSE              "Set to ON to compile with SSE support (and use intrinsec SSE P2P)" ON "CPUOPTION_SSE3;NOT CPUOPTION_AVX;NOT CPUOPTION_AVX2" OFF  )
+  CMAKE_DEPENDENT_OPTION( SCALFMM_USE_AVX              "Set to ON to compile with AVX support (and use intrinsec AVX P2P)" ON "CPUOPTION_AVX; NOT CPUOPTION_AVX2" OFF  )
+  CMAKE_DEPENDENT_OPTION( SCALFMM_USE_AVX2             "Set to ON to compile with AVX support (and use intrinsec AVXZ P2P)" ON "CPUOPTION_AVX2" OFF )
   option( SCALFMM_USE_ASSERT           "Set to ON to enable safe tests during execution" ON  )
   option( SCALFMM_USE_MIC_NATIVE       "Set to ON to compile in native mode for MIC" OFF  )
   option( SCALFMM_ONLY_DEVEL           "Set to ON to compile Development tools (only scalfmm team)" ON )

CMakeModules/GetCpuInfos.cmake

@@ -12,7 +12,7 @@
 ###########################################################################################
 macro(GetCpuInfos)
 # The original CPP file
-set(GetCpuInfosFile "${PROJECT_SOURCE_DIR}/SparseTd/CMake/getCpuInfos.cpp")
+set(GetCpuInfosFile "${PROJECT_SOURCE_DIR}/CMakeModules/getCpuInfos.cpp")
 
 # Fatal error if the file does not exist
 if(NOT EXISTS ${GetCpuInfosFile})