cmake_minimum_required (VERSION 2.8.3 FATAL_ERROR)

if(CMAKE_MAJOR_VERSION GREATER 1 AND CMAKE_MINOR_VERSION GREATER 7 AND CMAKE_PATCH_VERSION GREATER 11)
  cmake_policy(SET CMP0022 OLD)
endif()

cmake_policy(SET CMP0004 OLD)

set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)

#===========================================================================
# Project Declaration
#===========================================================================
project(SCALFMM C CXX)

# check if compiling into source directories
string(COMPARE EQUAL "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_BINARY_DIR}" insource)
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_CURRENT_SOURCE_DIR}/CMakeModules/)
set(SCALFMM_CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules)
#
# Adds the CMAKE_DEPENDENT_OPTION command
INCLUDE(CMakeDependentOption)
#  Add to check CPU info
include(GetCpuInfos)
GetCpuInfos()

#===========================================================================
# Version Number
#===========================================================================

# SCALFMM version number.  An even minor number corresponds to releases.
set(SCALFMM_MAJOR_VERSION 1)
set(SCALFMM_MINOR_VERSION 4)
set(SCALFMM_PATCH_VERSION 0)
set(SCALFMM_VERSION  "${SCALFMM_MAJOR_VERSION}.${SCALFMM_MINOR_VERSION}.${SCALFMM_PATCH_VERSION}" )

set( MORSE_DISTRIB_DIR "" CACHE PATH "Directory of MORSE distribution")

if (MORSE_DISTRIB_DIR OR EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/morse/")

  # Add extra cmake module path and initialize morse cmake modules
  # --------------------------------------------------------------
  if(MORSE_DISTRIB_DIR)
    list(APPEND CMAKE_MODULE_PATH ${MORSE_DISTRIB_DIR}/cmake_modules)
    list(APPEND CMAKE_MODULE_PATH "${MORSE_DISTRIB_DIR}/cmake_modules/morse")
    set(MORSE_CMAKE_MODULE_PATH ${MORSE_DISTRIB_DIR}/cmake_modules/morse )
  elseif(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/morse/")
    list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/morse/)
    set(MORSE_CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/morse )
  endif()
  include(MorseInit)
  # Set the RPATH config
  # --------------------
  # use, i.e. don't skip the full RPATH for the build tree
  set(CMAKE_SKIP_BUILD_RPATH  FALSE)
  # when building, don't use the install RPATH already
  # (but later on when installing)
  set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
  # the RPATH to be used when installing
  set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")

  # Build ScalFmm as static or dynamic lib
  # --------------------------------------
  option(BUILD_SHARED_LIBS "Build shared libraries" OFF)

  #
  # Options
  #
  option( SCALFMM_USE_MPI              "Set to ON to build ScaFMM with MPI"          OFF )
  option( SCALFMM_USE_BLAS             "Set to ON to build ScaFMM with BLAS"         ON )
  option( SCALFMM_USE_FFT              "Set to ON to build ScaFMM with FFTW"         ON )
  option( SCALFMM_BUILD_EXAMPLES       "Set to ON to compile examples "              ON  )
  option( SCALFMM_BUILD_TESTS          "Set to ON to build functionalities Tests"    OFF )
  option( SCALFMM_BUILD_UTESTS         "Set to ON to build UTests"                   OFF )
  option( SCALFMM_INSTALL_DATA         "Set to ON to include the data when proceeding to the installtion " OFF )
  option( SCALFMM_BUILD_DOC            "Set to ON to build the Doxygen documentation " OFF )
  option( SCALFMM_BUILD_DEBUG          "Set to ON to build in Debug"                 OFF )
  option( SCALFMM_USE_LOG              "Set to ON to print output debug information" OFF )
  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_SIGNALS          "Set to ON to catch various signal an print backtrace"  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 )
  option( SCALFMM_USE_EZTRACE          "Set to ON to compile with eztrace framwork" OFF )
  option( SCALFMM_USE_STARPU           "Set to ON to build SCALFMM with StarPU"     OFF )
  option( SCALFMM_BUILD_UTILS          "Set to ON to build utils Tests"             OFF )

#
#  VECTORISATION
#
  if( APPLE ) # to fix problem with  GCC and avx
    CMAKE_DEPENDENT_OPTION( SCALFMM_USE_SSE              "Set to ON to compile with SSE support (and use intrinsec SSE P2P)" ON "CPUOPTION_SSE3;NOT CPUOPTION_AVX2" OFF  )
    CMAKE_DEPENDENT_OPTION( SCALFMM_USE_AVX              "Set to ON to compile with AVX support (and use intrinsec AVX P2P)" OFF "CPUOPTION_AVX; NOT CPUOPTION_AVX2" OFF  )
  else(APPLE)
    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  )
  endif(APPLE)
  CMAKE_DEPENDENT_OPTION( SCALFMM_USE_AVX2             "Set to ON to compile with AVX support (and use intrinsec AVX2 P2P)" ON "CPUOPTION_AVX2" OFF )

  if( SCALFMM_ONLY_DEVEL )
# OPENMP 4/5 support 
    option( OPENMP_SUPPORT_COMMUTE   "Set to ON to let tasks commute (KSTAR/StarPU compiler only)" OFF )
    option( OPENMP_SUPPORT_PRIORITY  "Set to ON to enable tasks priority (KSTAR/StarPU compiler only)" OFF )
    option( OPENMP_SUPPORT_TASK_NAME "Set to ON to enable a taskname clause for tasks (KSTAR/StarPU compiler only)" OFF )
    option( SCALFMM_DISABLE_NATIVE_OMP4 "Set to ON to disable the gcc/intel omp4"    OFF )
    option( SCALFMM_TIME_OMPTASKS "Set to ON to time omp4 tasks and generate output file"    OFF )
    option( SCALFMM_SIMGRID_NODATA "Set to ON to avoid the allocation of numerical parts in the group tree" OFF )
    option( SCALFMM_SIMGRID_TASKNAMEPARAMS "Set to ON to have verbose information in the task name" OFF )
# STARPU options
    CMAKE_DEPENDENT_OPTION(SCALFMM_STARPU_USE_COMMUTE  "Set to ON to enable commute with StarPU" ON  "SCALFMM_USE_STARPU" OFF)
    CMAKE_DEPENDENT_OPTION(SCALFMM_STARPU_USE_REDUX  "Set to ON to enable redux with StarPU"     OFF "SCALFMM_USE_STARPU" OFF)
    CMAKE_DEPENDENT_OPTION(SCALFMM_STARPU_USE_PRIO  "Set to ON to enable priority with StarPU"   ON  "SCALFMM_USE_STARPU" OFF)
    CMAKE_DEPENDENT_OPTION(SCALFMM_STARPU_FORCE_NO_SCHEDULER  "Set to ON to disable heteroprio even if supported" OFF "SCALFMM_USE_STARPU" OFF)
  endif()
  message(STATUS "AVANT  ${CMAKE_CXX_COMPILER_ID}" )
#
#  MPI
#
  if( SCALFMM_USE_MPI )
    try_compile(COMPILE_INTEL ${CMAKE_CURRENT_BINARY_DIR}
      ${SCALFMM_CMAKE_MODULE_PATH}/compileTestIntel.cpp
      COMPILE_DEFINITIONS "${CMAKE_CXX_FLAGS}")
    if (COMPILE_INTEL)
      set(CMAKE_CXX_COMPILER_ID  "Intel")
    endif()
  endif()
  message(STATUS "CXX  ${CMAKE_CXX_COMPILER_ID}" )
  # Set scalfmm to default libraries
  set(SCALFMM_LIBRARIES "")
  set(SCALFMM_CXX_FLAGS "-std=c++11 -fpic -Wall")
  #
  #
  # Test if openmp is here
  #
  find_package (OpenMP)
  if(OPENMP_FOUND)
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
  else(OPENMP_FOUND)
    message(WARNING "OPENMP NOT FOUND")
  endif(OPENMP_FOUND)
  message(STATUS "SCALFMM_BUILD_DEBUG = ${SCALFMM_BUILD_DEBUG}" )
  #
  if(CMAKE_SIZEOF_VOID_P EQUAL 8)
    set(SCALFMM_CXX_FLAGS  "${SCALFMM_CXX_FLAGS} -m64")
  endif()
  ##############################################################################
  #                           Compile options                                  #
  ##############################################################################
  #  -xHost -mfpmath=sse
  # -Wall Wnosign-conversion
  #
  if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
    # INTEL
    IF (APPLE)
      IF( CPUOPTION_SSE42 ) 
        set(SSE_FLAGS  "-msse4  -mfpmath=sse")   # -mtune=native -march=native
      ELSEIF (CPUOPTION_SSE3)
        set(SSE_FLAGS  "-msse3  -mfpmath=sse")   # -mtune=native -march=native
      ENDIF (CPUOPTION_SSE42)  
    else(APPLE)
      set(AVX_FLAGS  "-march=native -axCORE-AVX2,CORE-AVX-I,AVX") #-mavx
      set(AVX2_FLAGS  "-march=native  -axCORE-AVX2,CORE-AVX-I") #-march=core-avx2
      set(SSE_FLAGS  "-axSSE4.2  -march=native")
    endif(APPLE)
    #-Wshadow -Wpointer-arith -Wcast-qual -Wconversion  -Wall -Wnosign-conversion ")
  else()
    # NOT      INTEL
    if(NOT SCALFMM_USE_MPI)
      include(CheckCCompilerFlag)
      check_c_compiler_flag(-Wzero-as-null-pointer-constant HAS_WZERO_NULL_PTR_FLAG)
      if(HAS_WZERO_NULL_PTR_FLAG)
        set(SCALFMM_CXX_FLAGS  "${SCALFMM_CXX_FLAGS} -Wzero-as-null-pointer-constant")
      endif()
    else()
      include(CheckCCompilerFlag)
      check_c_compiler_flag(-Wno-literal-suffix HAS_NO_LITERAL_SUFFIX_FLAG)
      if(HAS_NO_LITERAL_SUFFIX_FLAG)
        set(SCALFMM_CXX_FLAGS  "${SCALFMM_CXX_FLAGS} -Wno-literal-suffix")
      endif()
    endif()
    IF (APPLE)
      #      set(SSE_FLAGS  "-msse4  -mfpmath=sse")   # -mtune=native -march=native
      IF( CPUOPTION_SSE42 ) 
        set(SSE_FLAGS  "-msse4  -mfpmath=sse")   # -mtune=native -march=native
      ELSEIF (CPUOPTION_SSE3)
        set(SSE_FLAGS  "-msse3  -mfpmath=sse")   # -mtune=native -march=native
      ENDIF (CPUOPTION_SSE42)
      set(AVX_FLAGS "-mtune=native -march=avx")
      set(AVX2_FLAGS "-mtune=native -march=native -mmic")
    else(APPLE)
      set(SSE_FLAGS  "-mtune=native -march=native")
      set(AVX_FLAGS "-mtune=native -march=native")
      set(AVX2_FLAGS "-mtune=native -march=native -mmic")
    endif(APPLE)
  endif()

  ##############################################################################
  #                           FUSE list                                        #
  ##############################################################################
  set(FUSE_LIST "")
  # then do list(APPEND FUSE_LIST "BLAS") to protect from FUSE_BLAS
  list(APPEND FUSE_LIST "MPI")

  ##############################################################################
  #                        Debug      flags                                    #
  ##############################################################################
  #
  if( SCALFMM_BUILD_DEBUG )
    #
    # Compile Debug flags
    #
    set(CMAKE_BUILD_TYPE Debug)
    ADD_DEFINITIONS(-O0)
    if( APPLE )
      set(SCALFMM_FLAGS_OPTI_DEBUG "-funroll-loops" CACHE STRING
        "Set your optimization flags for debug mode.")
    else(APPLE)
      if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
        set(SCALFMM_FLAGS_OPTI_DEBUG "-fp-model strict  -funroll-loops" CACHE STRING
          "Set your optimization flags for debug mode.")
      else()
        set(SCALFMM_FLAGS_OPTI_DEBUG "-funroll-loops" CACHE STRING
          "Set your optimization flags for debug mode.")
      endif()
    endif(APPLE)
    #  ADD_DEFINITIONS(${SCALFMM_FLAGS_OPTI_DEBUG})
    set(SCALFMM_CXX_FLAGS "${SCALFMM_CXX_FLAGS} ${SCALFMM_FLAGS_OPTI_DEBUG}")
    set(CMAKE_CXX_FLAGS_TYPE "${CMAKE_CXX_FLAGS_DEBUG}")

  else()
    ##############################################################################
    #                          Release flags                                     #
    ##############################################################################

    set(CMAKE_BUILD_TYPE Release)
    set(CMAKE_CXX_FLAGS_TYPE  "${CMAKE_CXX_FLAGS_RELEASE}")
    # if compiler is intel add -ip

    if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
      set(SCALFMM_CXX_FLAGS  "${SCALFMM_CXX_FLAGS} -ipo  -fstrict-aliasing ")# -no-prec-div -no-prec-sqrt")
    endif()
    # Compile optimization
    if(APPLE)
      set(SCALFMM_FLAGS_OPTI_RELEASE "-funroll-loops" CACHE STRING
        "Set your optimization flags for release mode.")
    else(APPLE)
      # Not apple system - Check the compiler flags
      if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
        #set(SCALFMM_FLAGS_OPTI_RELEASE "-fp-model precise -fp-model source -fimf-precision=low  -funroll-loops -ftree-vectorize"
        set(SCALFMM_FLAGS_OPTI_RELEASE "-funroll-loops -ftree-vectorize"
          CACHE STRING "Set your optimization flags for release mode.")
  # set(SCALFMM_FLAGS_OPTI_RELEASE "-funroll-loops -ftree-vectorize" CACHE STRING
  #   "Set your optimization flags for release mode.")
      else()
        set(SCALFMM_FLAGS_OPTI_RELEASE "-ffast-math -funroll-loops -ftree-vectorize" CACHE STRING
          "Set your optimization flags for release mode.")
      endif()
    endif(APPLE)
    #
    set(SCALFMM_CXX_FLAGS  "${SCALFMM_CXX_FLAGS} ${SCALFMM_FLAGS_OPTI_RELEASE}")
  endif()
  MESSAGE(STATUS   " %%%%%%%%%% SCALFMM_CXX_FLAGS  ${SCALFMM_CXX_FLAGS} %%%%%%%%%%%%%")
  MESSAGE(STATUS   " %%%%%%%%%% CMAKE_CXX_FLAGS_RELEASE  ${CMAKE_CXX_FLAGS_RELEASE} %%%%%%%%%%%%%")

  #
  ##############################################################################
  #                Attach source code to exec                                  #
  ##############################################################################
  message(STATUS "SCALFMM_ATTACHE_SOURCE       = ${SCALFMM_ATTACHE_SOURCE}" )
  if( SCALFMM_ATTACHE_SOURCE )
    message(STATUS "Option -g is used, the code is attached to the binary." )
    set(SCALFMM_CXX_FLAGS  "${SCALFMM_CXX_FLAGS} -g")
  endif(SCALFMM_ATTACHE_SOURCE)
  #
  ##############################################################################
  #                                 find MPI                                   #
  ##############################################################################
  #
  if( SCALFMM_USE_MPI )

    # allows to use an external mpi compilation by setting compilers with
    # -DMPI_C_COMPILER=path/to/mpicc -DMPI_CXX_COMPILER=path/to/mpicxx
    # at cmake configure
    if(NOT MPI_C_COMPILER)
      set(MPI_C_COMPILER mpicc)
    endif()
    if(NOT MPI_CXX_COMPILER)
      set(MPI_CXX_COMPILER mpicxx)
    endif()

    find_package(MPI REQUIRED)

    if (MPI_CXX_INCLUDE_PATH)
      include_directories( ${MPI_CXX_INCLUDE_PATH} )
    endif()
    if (MPI_CXX_COMPILE_FLAGS)
      set(SCALFMM_CXX_FLAGS "${SCALFMM_CXX_FLAGS} ${MPI_CXX_COMPILE_FLAGS}")
    endif()
    if (MPI_CXX_INCLUDE_PATH)
      set(SCALFMM_INCLUDES  "${SCALFMM_INCLUDES}; ${MPI_CXX_INCLUDE_PATH}")
    endif()
    if (MPI_CXX_LINK_FLAGS)
      set(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES};${MPI_CXX_LINK_FLAGS}")
    endif()
    if (MPI_CXX_LIBRARIES)
      set(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES};${MPI_CXX_LIBRARIES}")
    endif()

  endif()
  #
  ##############################################################################
  #                             Blas option                                    #
  ##############################################################################
  #
  if( SCALFMM_USE_BLAS )
    #   include(FortranCInterface)
    #    # Define a Fortran interface file (FCMangle.hpp)
    #   FortranCInterface_HEADER( ${CMAKE_CURRENT_SOURCE_DIR}/Src/FCMangle.hpp
    #                            MACRO_NAMESPACE "PM_"
    #                           SYMBOL_NAMESPACE "PM_"
    #                           SYMBOLS init testPPM:init)
    message(STATUS "CMAKE_CXX_COMPILER_ID STREQUAL  ${CMAKE_CXX_COMPILER_ID}")
    
    option( SCALFMM_USE_MKL_AS_BLAS "Set to ON to use MKL CBLAS" OFF )
    
    if( SCALFMM_USE_MKL_AS_BLAS )
      set(BLA_VENDOR "Intel10_64lp_seq")
      find_package(BLASEXT QUIET) # not REQUIRED
      unset(LAPACK_LIBRARIES)
      if (BLAS_LIBRARIES)
        set(BLASLAPACK_LIBRARIES ${BLAS_LIBRARIES})
      endif()
    elseif(SCALFMM_USE_EXTERNAL_BLAS)
      message(STATUS "BLAS SET BY EXTERNAL PROGRAM = ${BLAS_LIBRARIES}")
      list(APPEND BLASLAPACK_LIBRARIES "${BLAS_LIBRARIES}")
    else()
      find_package(BLASEXT)  # not REQUIRED
      find_package(LAPACKEXT)  # not REQUIRED
      set(BLASLAPACK_LIBRARIES)
      if (LAPACK_LIBRARIES)
        set(BLASLAPACK_LIBRARIES "${LAPACK_LIBRARIES}")
      endif()
      if (BLAS_LIBRARIES)
        list(APPEND BLASLAPACK_LIBRARIES "${BLAS_LIBRARIES}")
      endif()
    endif()
    
    if(BLAS_FOUND)
      set(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES};${BLASLAPACK_LIBRARIES}")
      if(BLAS_LIBRARY_DIRS)
        # the RPATH to be used when installing
        list(APPEND CMAKE_INSTALL_RPATH "${BLAS_LIBRARY_DIRS}")
      endif()
      if(LAPACK_FOUND AND LAPACK_LIBRARY_DIRS)
        # the RPATH to be used when installing
        list(APPEND CMAKE_INSTALL_RPATH "${LAPACK_LIBRARY_DIRS}")
      endif()
      # check blas and lapack symbols naming
      set(CMAKE_REQUIRED_LIBRARIES "${BLAS_LIBRARIES}")
      check_function_exists(dgemv_ DGEMV_ADD_)
      set (SCALFMM_BLAS_UPCASE OFF)
      set (SCALFMM_BLAS_NOCHANGE OFF)
      message (STATUS "BLAS dgemv_ " ${DGEMV_ADD_}   ${SCALFMM_BLAS_UPCASE})
      if (DGEMV_ADD_)
        set (SCALFMM_BLAS_ADD_ ON)
        message (STATUS "BLAS dgemv_ symbol found, SCALFMM_BLAS_ADD_ is ON")
      else (DGEMV_ADD_)
        set (SCALFMM_BLAS_ADD_ OFF)
	check_function_exists(DGEMV  DGEMV_UPCASE)
	if (DGEMV_UPCASE)
	  set (SCALFMM_BLAS_UPCASE ON)
	  message (STATUS "BLAS DGEMV symbol found, SCALFMM_BLAS_UPCASE is ON")
	else (DGEMV_UPCASE)
	  #          set (SCALFMM_BLAS_UPCASE OFF)
          check_function_exists(dgemv  DGEMV_NOCHANGE)
          if (DGEMV_NOCHANGE) 
            set (SCALFMM_BLAS_NOCHANGE ON)
            message (STATUS "BLAS dgemv symbol found, SCALFMM_BLAS_NOCHANGE is ON")
	    #	  else   (DGEMV_NOCHANGE)
	    #            set (SCALFMM_BLAS_NOCHANGE OFF)
	  endif (DGEMV_NOCHANGE)
        endif (DGEMV_UPCASE)
      endif (DGEMV_ADD_)
      if ( (NOT DGEMV_ADD_) AND (NOT DGEMV_UPCASE) AND (NOT DGEMV_NOCHANGE) )
        message(FATAL_ERROR "BLAS Fortran mangling cannot be properly detected")
      endif ()
    else()
      message(WARNING "BLAS has not been found, SCALFMM will continue to compile but some applications will be disabled.")
      message(WARNING "If you have BLAS set BLAS_LIBDIR, BLAS_INCDIR or BLAS_DIR (CMake variables using -D or environment variables).")        
      set(SCALFMM_USE_BLAS OFF)
    endif()

  endif(SCALFMM_USE_BLAS)
  list(APPEND FUSE_LIST "BLAS")
  #
  # FFT option
  #
  CMAKE_DEPENDENT_OPTION(SCALFMM_USE_MKL_AS_FFTW "Set to ON to use MKL FFTW" ON  "SCALFMM_USE_FFT;SCALFMM_USE_MKL_AS_BLAS" OFF )
  if( SCALFMM_USE_FFT )
    message(STATUS "SCALFMM USE FFT Configure:")

    if( SCALFMM_USE_MKL_AS_FFTW )

      message(STATUS "         SCALFMM USE MKL ")

      if( SCALFMM_USE_MKL_AS_BLAS )

        unset(FFT_LIBRARIES CACHE)
        message(STATUS "         SCALFMM USE MKL already defined")
        set(FFT_INCLUDES "$ENV{MKLROOT}/include/fftw" CACHE STRING "Set your MKL flags")
        if (BLAS_FOUND)
          set(FFTW_FOUND ON)
        endif()

      else(SCALFMM_USE_MKL_AS_BLAS)

        # The package can be used with the following COMPONENTS:
        # MKL, THREADS|OMP and/or SIMPLE|DOUBLE|LONG|QUAD
        # Default is DOUBLE and without THREADS|OMP
        find_package(FFTW  COMPONENTS MKL) # not REQUIRED
        if (FFTW_LIBRARY_DIRS_DEP)
          set(FFT_LIBRARIES "-L${FFTW_LIBRARY_DIRS_DEP};" CACHE STRING "Set your MKL flags")
        endif()
        if (FFTW_LIBRARIES_DEP)
          foreach (fft_lib ${FFTW_LIBRARIES_DEP})
            set(FFT_LIBRARIES "${FFT_LIBRARIES};${fft_lib};")
          endforeach()
        endif()
        set(FFT_INCLUDES "${FFTW_INCLUDE_DIRS_DEP}" )
        if (FFT_LIBRARIES)
          set(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES};${FFT_LIBRARIES}")
        endif()

      endif(SCALFMM_USE_MKL_AS_BLAS)

    else(SCALFMM_USE_MKL_AS_FFTW)

      message(STATUS "         SCALFMM USE FFTW ")
      # The package can be used with the following COMPONENTS:
      # MKL, THREADS|OMP and/or SIMPLE|DOUBLE|LONG|QUAD
      # Default is DOUBLE and without THREADS|OMP
      find_package(FFTW COMPONENTS SIMPLE) # not REQUIRED
      if (FFTW_LIBRARY_DIRS_DEP)
        set(FFT_LIBRARIES "-L${FFTW_LIBRARY_DIRS_DEP};" CACHE STRING "Set your FFTW path")
      endif()
      if (FFTW_LIBRARIES_DEP)
        foreach (fft_lib ${FFTW_LIBRARIES_DEP})
          set(FFT_LIBRARIES "${FFT_LIBRARIES};${fft_lib};")
        endforeach()
      endif()
      set(FFT_INCLUDES "${FFTW_INCLUDE_DIRS_DEP}" )
      if (FFT_LIBRARIES)
        set(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES};${FFT_LIBRARIES}")
      endif()
      if(FFTW_LIBRARY_DIRS)
        # the RPATH to be used when installing
        list(APPEND CMAKE_INSTALL_RPATH "${FFTW_LIBRARY_DIRS}")
      endif()

    endif(SCALFMM_USE_MKL_AS_FFTW)

    if (FFT_INCLUDES)
      set(SCALFMM_INCLUDES "${SCALFMM_INCLUDES}; ${FFT_INCLUDES}")
    endif()

    if(FFTW_FOUND)
      message(STATUS "         SCALFMM_LIBRARIES          = ${SCALFMM_LIBRARIES}")
      message(STATUS "         SCALFMM_INCLUDES          = ${SCALFMM_INCLUDES}")
    else()
      message(WARNING "FFTW has not been found, SCALFMM will continue to compile but some applications will be disabled.")
      message(WARNING "If you have FFTW set FFTW_LIBDIR, FFTW_INCDIR or FFTW_DIR (CMake variables using -D or environment variables).")        
      set(SCALFMM_USE_FFT OFF)
    endif()
  endif(SCALFMM_USE_FFT)
  list(APPEND FUSE_LIST "FFT")
  message(STATUS "         SCALFMM_LIBRARIES          = ${SCALFMM_LIBRARIES}")
  message(STATUS "         SCALFMM_INCLUDES          = ${SCALFMM_INCLUDES}")
  
  message(STATUS "SCALFMM_USE_FFT       =  ${SCALFMM_USE_FFT}")

  #
  # C++ 2011
  message( STATUS "CMAKE_SYSTEM:   ${CMAKE_SYSTEM}  CMAKE_CXX_COMPILER_ID ${CMAKE_CXX_COMPILER_ID}  CMAKE_CXX_COMPILER ${NAME}")
  if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
    execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE INTEL_VERSION)
    message( STATUS "Intel:   ${INTEL_VERSION}")
    set(SCALFMM_CXX_FLAGS "${SCALFMM_CXX_FLAGS} -Wall")
  else()
    # Compile option valid on GCC/G++
    set(SCALFMM_CXX_FLAGS "${SCALFMM_CXX_FLAGS} -Wall -Wshadow -Wpointer-arith -Wcast-qual -Wconversion -Wcast-qual -Wcast-align -Woverloaded-virtual")
  endif()
  #
  ##################################################################
  #              STARPU Section
  ##################################################################
  #
  message( STATUS "SCALFMM_USE_STARPU             = ${SCALFMM_USE_STARPU}" )
  if( SCALFMM_USE_STARPU )
    # CUDA could be used with StarPU enabled
    option( SCALFMM_USE_CUDA "Set to ON to use CUDA with StarPU" OFF )
    message( STATUS "SCALFMM_USE_CUDA             = ${SCALFMM_USE_CUDA}" )
    if(SCALFMM_USE_CUDA)
      execute_process(COMMAND nvcc --version ERROR_VARIABLE cuda_error_output OUTPUT_QUIET)
      if(cuda_error_output)
        message( FATAL_ERROR "nvcc is needed with CUDA." )
      endif()
      if(NOT DEFINED CUSTOM_CUDA_FLAGS)
        set( CUSTOM_CUDA_FLAGS "-std=c++11;-arch=sm_20;--ptxas-options=-v;-use_fast_math" CACHE
          STRING "Set your CUDA flags, for example : -arch=sm_20;--ptxas-options=-v;-use_fast_math")
      endif()
      # This is needed to remove backslash after space in ADD_CUSTOM_COMMAND
      separate_arguments(CUSTOM_CUDA_FLAGS)
      message( STATUS "CUSTOM_CUDA_FLAGS             = ${CUSTOM_CUDA_FLAGS}" )

      find_package(CUDA REQUIRED)

      if (CUDA_INCLUDE_DIRS)
        include_directories(${CUDA_INCLUDE_DIRS})
      endif()
      if (CUDA_LIBRARIES)
        set(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES};${CUDA_LIBRARIES}")
      endif()

      set(CUDA_NEEDED_INCLUDE_DIRS ${CMAKE_CURRENT_BINARY_DIR}/Src)
    endif()

    # Find StarPU with a list of optional components
    set(SCALFMM_STARPU_VERSION "1.1" CACHE STRING "oldest STARPU version desired")
    # create list of components in order to make a single call to find_package(starpu...)
    set(STARPU_COMPONENT_LIST "HWLOC")
    if(SCALFMM_USE_MPI)
      list(APPEND STARPU_COMPONENT_LIST "MPI")
    endif()
    if(SCALFMM_USE_CUDA)
      list(APPEND STARPU_COMPONENT_LIST "CUDA")
    endif()

    find_package(STARPU ${SCALFMM_STARPU_VERSION} REQUIRED
      COMPONENTS ${STARPU_COMPONENT_LIST})

    if(HWLOC_FOUND AND HWLOC_LIBRARY_DIRS)
      # the RPATH to be used when installing
      list(APPEND CMAKE_INSTALL_RPATH "${HWLOC_LIBRARY_DIRS}")
    endif()
    if(FXT_FOUND AND FXT_LIBRARY_DIRS)
      # the RPATH to be used when installing
      list(APPEND CMAKE_INSTALL_RPATH "${FXT_LIBRARY_DIRS}")
    endif()
    if(STARPU_FOUND AND STARPU_LIBRARY_DIRS)
      # the RPATH to be used when installing
      list(APPEND CMAKE_INSTALL_RPATH "${STARPU_LIBRARY_DIRS}")
    endif()

    # Append list of libraries and include dirs
    include_directories(${STARPU_INCLUDE_DIRS_DEP})
    foreach (starpu_libdir ${STARPU_LIBRARY_DIRS_DEP})
      if (${starpu_libdir} MATCHES "^ *-L")
        set(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES};${starpu_libdir}")
      else()
        set(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES};-L${starpu_libdir}")
      endif()
    endforeach()
    foreach (starpu_lib ${STARPU_LIBRARIES_DEP})
      if (EXISTS ${starpu_lib} OR ${starpu_lib} MATCHES "^ *-")
        set(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES};${starpu_lib}")
      else()
        set(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES};-l${starpu_lib}")
      endif()
    endforeach()

    # TODO: is this very useful? CUDA is already a component of find starpu
    if (CUDA_LIBRARIES)
      set(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES};${CUDA_LIBRARIES}")
    endif()

    # Message
    message(STATUS "         STARPU_LIBRARIES          = ${STARPU_LIBRARIES}")
    if (STARPU_INCLUDE_DIRS)
      message(STATUS "         STARPU_INCLUDES           = ${STARPU_INCLUDE_DIRS}")
      set(SCALFMM_INCLUDES  "${SCALFMM_INCLUDES}; ${STARPU_INCLUDE_DIRS}")
    endif()

    # TODO: replace this by a component of find starpu
    OPTION( SCALFMM_USE_OPENCL      "Set to ON to use OPENCL with StarPU" OFF )
    MESSAGE( STATUS "SCALFMM_USE_OPENCL             = ${SCALFMM_USE_OPENCL}" )
    if(SCALFMM_USE_OPENCL)
      include_directories($ENV{OPENCL_INC})
      SET(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES};-L$ENV{OPENCL_LIB};-lOpenCL")
    endif()
  endif(SCALFMM_USE_STARPU)
  list(APPEND FUSE_LIST "STARPU")
  list(APPEND FUSE_LIST "CUDA")
  list(APPEND FUSE_LIST "OPENCL")

  ##################################################################
  #                         Use SSE                                #
  ##################################################################

  message( STATUS "SCALFMM_USE_SSE              = ${SCALFMM_USE_SSE}" )
  if( SCALFMM_USE_SSE )
    if(NOT EXISTS ${SCALFMM_CMAKE_MODULE_PATH}/compileTestSse.cpp)
      message(FATAL_ERROR "The CompileTestSseFile does not exist (${SCALFMM_CMAKE_MODULE_PATH}/compileTestSse.cpp)" )
    endif()
    message( STATUS "SSE_FLAGS ${SSE_FLAGS}  -- ${CMAKE_CXX_FLAGS}  ")
    try_compile(COMPILE_SSE  ${CMAKE_CURRENT_BINARY_DIR}
      ${SCALFMM_CMAKE_MODULE_PATH}/compileTestSse.cpp
      COMPILE_DEFINITIONS "${CMAKE_CXX_FLAGS} ${SSE_FLAGS}"
      OUTPUT_VARIABLE COMPILE_SSE_OUTPUT)

    if(${COMPILE_SSE})
      set(SCALFMM_CXX_FLAGS "${SCALFMM_CXX_FLAGS} ${SSE_FLAGS}")

      try_compile(COMPILE_RESULT_VAR ${CMAKE_CURRENT_BINARY_DIR}
        ${SCALFMM_CMAKE_MODULE_PATH}/checkSSEpe.cpp
        COMPILE_DEFINITIONS "${CMAKE_CXX_FLAGS} ${SSE_FLAGS}")
      if( NOT ${COMPILE_RESULT_VAR})
        set(__SSEPE_INTEL_COMPILER ON)
      endif()
      #set(SCALFMM_USE_AVX OFF)
    else(${COMPILE_SSE})
      message(FATAL_ERROR "SSE NOT SUPPORTED ; Set SCALFMM_USE_SSE  to OFF \n Output from test is : ${COMPILE_SSE_OUTPUT}")
    endif(${COMPILE_SSE})
  endif()
  list(APPEND FUSE_LIST "SSE")

  ##################################################################
  #                           Use AVX                              #
  ##################################################################

  message(STATUS "SCALFMM_USE_AVX               = ${SCALFMM_USE_AVX}")
  if(SCALFMM_USE_AVX)
    if(NOT EXISTS ${SCALFMM_CMAKE_MODULE_PATH}/compileTestAvx.cpp)
      message(FATAL_ERROR "The CompileTestSseFile does not exist (${SCALFMM_CMAKE_MODULE_PATH}/compileTestAvx.cpp)" )
    endif()

    try_compile(COMPILE_AVX ${CMAKE_CURRENT_BINARY_DIR}
      ${SCALFMM_CMAKE_MODULE_PATH}/compileTestAvx.cpp
      COMPILE_DEFINITIONS "${CMAKE_CXX_FLAGS} ${AVX_FLAGS}"
      OUTPUT_VARIABLE COMPILE_AVX_OUTPUT)
    if(${COMPILE_AVX})
      message(STATUS "%%%%%%%%%%%% COMPILE_AVX               = ${COMPILE_AVX}  %%%%<    ${AVX_FLAGS}")

      set(SCALFMM_CXX_FLAGS "${SCALFMM_CXX_FLAGS}   ${AVX_FLAGS}")
      message(STATUS "%%%%%%%%%%%% SCALFMM_CXX_FLAGS               = ${SCALFMM_CXX_FLAGS}")
      #set( SCALFMM_USE_SSE   OFF   FORCE) # ne marche pas
      try_compile(COMPILE_RESULT_AVSPE ${CMAKE_CURRENT_BINARY_DIR}
        ${SCALFMM_CMAKE_MODULE_PATH}/checkAVXpe.cpp
        COMPILE_DEFINITIONS "${CMAKE_CXX_FLAGS} ${AVX_FLAGS}")
      if( NOT ${COMPILE_RESULT_AVSPE})


        set(__AVXPE_INTEL_COMPILER ON)
      endif()

      message(STATUS ${CMAKE_CXX_FLAGS} )
    else(${COMPILE_AVX})
      message(FATAL_ERROR "AVX NOT SUPPORTED ; Set SCALFMM_USE_AVX  to OFF \n Output from test is : ${COMPILE_AVX_OUTPUT} ")
    endif(${COMPILE_AVX})
  endif(SCALFMM_USE_AVX)
  list(APPEND FUSE_LIST "AVX")
  #
  # Error if both SCALFMM_USE_AVX AND SCALFMM_USE_SSE are set
  #
  if( SCALFMM_USE_AVX AND SCALFMM_USE_SSE)
    message(FATAL_ERROR "Check SCALFMM_USE_SSE or SCALFMM_USE_AVX BUT NOT BOTH. ")
  endif(SCALFMM_USE_AVX AND SCALFMM_USE_SSE)
  ##################################################################
  #                           Use AVX2                             #
  ##################################################################

  message(STATUS "SCALFMM_USE_AVX2               = ${SCALFMM_USE_AVX2}")
  if(SCALFMM_USE_AVX2)
    if(NOT EXISTS ${SCALFMM_CMAKE_MODULE_PATH}/compileTestAvx2.cpp)
      message(FATAL_ERROR "The CompileTestSseFile does not exist (${SCALFMM_CMAKE_MODULE_PATH}/compileTestAvx.cpp)" )
    endif()

    try_compile(COMPILE_AVX2 ${CMAKE_CURRENT_BINARY_DIR}
      ${SCALFMM_CMAKE_MODULE_PATH}/compileTestAvx2.cpp
      COMPILE_DEFINITIONS "${CMAKE_CXX_FLAGS} ${AVX2_FLAGS}"
      OUTPUT_VARIABLE COMPILE_AVX2_OUTPUT)
    if(${COMPILE_AVX2})
      set(SCALFMM_CXX_FLAGS "${SCALFMM_CXX_FLAGS}   ${AVX2_FLAGS}")
      #set( SCALFMM_USE_SSE   OFF   FORCE) # ne marche pas
      try_compile(COMPILE_RESULT_AVSPE ${CMAKE_CURRENT_BINARY_DIR}
        ${SCALFMM_CMAKE_MODULE_PATH}/checkAVX2pe.cpp
        COMPILE_DEFINITIONS "${CMAKE_CXX_FLAGS} ${AVX2_FLAGS}")
      if( NOT ${COMPILE_RESULT_AVSPE})
        set(__AVX2PE_INTEL_COMPILER ON)
      endif()

      message(STATUS ${CMAKE_CXX_FLAGS} )
    else(${COMPILE_AVX2})
      message(FATAL_ERROR "AVX2 NOT SUPPORTED ; Set SCALFMM_USE_AVX2  to OFF \n Output from test is : ${COMPILE_AVX_OUTPUT} ")
    endif(${COMPILE_AVX2})
  endif(SCALFMM_USE_AVX2)
  list(APPEND FUSE_LIST "AVX2")
  #
  # Error if both SCALFMM_USE_AVX2 AND SCALFMM_USE_SSE are set
  #
  if( SCALFMM_USE_AVX2 AND SCALFMM_USE_SSE)
    message(FATAL_ERROR "Check SCALFMM_USE_SSE or SCALFMM_USE_AVX2 BUT NOT BOTH. ")
  endif(SCALFMM_USE_AVX2 AND SCALFMM_USE_SSE)
  ##################################################################
  #                     Use  native MIC compilation                #
  ##################################################################
  if( SCALFMM_USE_MIC_NATIVE )
    include(CheckCCompilerFlag)
    check_c_compiler_flag(-mmic HAS_MMIC_FLAG)
    if(NOT HAS_MMIC_FLAG)
      message(FATAL_ERROR "MIC NOT SUPPORTED ; Set SCALFMM_USE_MIC_NATIVE to OFF")
    endif()
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmic")
  else()
    #set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -xhost")
  endif()
  list(APPEND FUSE_LIST "MIC")
  ##################################################################
  #
  #   Set EZTRACE
  #
  ##################################################################
  If(SCALFMM_USE_EZTRACE)
    find_package (PkgConfig)
    if(PKG_CONFIG_FOUND)
      set(PKG_CONFIG_USE_CMAKE_PREFIX_PATH "ON")
      pkg_search_module( EZTrace REQUIRED eztrace)
      if(EZTrace_FOUND)
        link_directories(${EZTrace_LIBRARY_DIRS})
        link_libraries( ${EZTrace_LIBRARIES})
        if (EZTrace_LIBRARY_DIRS)
          # the RPATH to be used when installing
          list(APPEND CMAKE_INSTALL_RPATH "${EZTrace_LIBRARY_DIRS}")
        endif()
        IF( SCALFMM_USE_MPI )
          link_libraries(-leztrace-autostart-mpi)
  ENDIF(SCALFMM_USE_MPI)     
  include_directories(${EZTrace_INCLUDE_DIRS})
  MESSAGE(STATUS "EZTRACE:  ${EZTrace_INCLUDE_DIRS}   ${EZTrace_LIBRARY_DIRS}  ${EZTrace_LIBRARIES}")
  CMAKE_DEPENDENT_OPTION(SCALFMM_TRACE_ALGO "Set to ON to trace the full algorithm (all operators)" ON  "SCALFMM_USE_EZTRACE" OFF )
  CMAKE_DEPENDENT_OPTION(SCALFMM_TRACE_P2M   "Set to ON to trace P2M operator" OFF  "SCALFMM_USE_EZTRACE" OFF )
  CMAKE_DEPENDENT_OPTION(SCALFMM_TRACE_M2M   "Set to ON to trace M2M operator" OFF  "SCALFMM_USE_EZTRACE" OFF )
  CMAKE_DEPENDENT_OPTION(SCALFMM_TRACE_M2L   "Set to ON to trace M2L operator" OFF  "SCALFMM_USE_EZTRACE" OFF )
  CMAKE_DEPENDENT_OPTION(SCALFMM_TRACE_L2L   "Set to ON to trace L2L operator" OFF  "SCALFMM_USE_EZTRACE" OFF )
  CMAKE_DEPENDENT_OPTION(SCALFMM_TRACE_P2P   "Set to ON to trace P2P operator" OFF  "SCALFMM_USE_EZTRACE" OFF )
      else(EZTrace_FOUND)
  MESSAGE(WARNING "Eztrace not found - EZTRACE Is set to OFF")
  set(SCALFMM_USE_EZTRACE OFF)  
      endif(EZTrace_FOUND)
    else(PKG_CONFIG_FOUND)
      MESSAGE(WARNING "PKG-CONFIG not found - EZTRACE Is set to OFF")
      set(SCALFMM_USE_EZTRACE OFF)
    endif(PKG_CONFIG_FOUND)

  endif(SCALFMM_USE_EZTRACE)

  ##################################################################
  #
  #   To catch signals
  #
  ##################################################################  
    if((WIN32 OR (${CMAKE_SYSTEM_NAME} MATCHES "Windows")) AND SCALFMM_USE_SIGNALS)
      # We are on Windows and we cannot catch signals
      message( FATAL_ERROR "Catching the signals requieres an UNIX system." )
    else()
        IF( NOT APPLE)
        SET(SCALFMM_CXX_FLAGS "${SCALFMM_CXX_FLAGS} -rdynamic")
        ENDIF()
    endif()
  ##################################################################
  #                                                                #
  #                     END SETTING VARIABLES                      #
  #                                                                #
  ##################################################################
  #
  # Generate  ScalFmmConfig.h
  #
  set(SCALFMM_COMPILE_FLAGS "${SCALFMM_CXX_FLAGS} ${CMAKE_CXX_FLAGS_TYPE} ${CMAKE_CXX_FLAGS}")
  set(CMAKE_CXX_FLAGS "${SCALFMM_COMPILE_FLAGS}")
  # We need the libraries without spaces (inside the config file)
  set(SCALFMM_COMPILE_LIBS   "")
  foreach(lib_var ${SCALFMM_LIBRARIES})
    string(STRIP ${lib_var} lib_var)
    LIST(APPEND SCALFMM_COMPILE_LIBS   ${lib_var})        
  endforeach()
  configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/Src/ScalFmmConfig.h.cmake
    ${CMAKE_CURRENT_BINARY_DIR}/Src/ScalFmmConfig.h  )
  #
  ##################################################################
  #                      Build - lib                               #
  ##################################################################
  #
  add_subdirectory(Src)
  # Link with scalfmm lib
  set(scalfmm_lib scalfmm)
  #
  ##################################################################
  #            Remove compilation  of the drivers                  #
  ##################################################################
   message(STATUS "SCALFMM_BUILD_EXAMPLES  =  ${SCALFMM_BUILD_EXAMPLES}" ) 
  if( SCALFMM_BUILD_EXAMPLES )
    # Build - Examples and drivers
    add_subdirectory(Examples)
  endif()
  ##################################################################
  #           Build tools (Internal use)                           #
  ##################################################################
  # Build - UTILs
  if( SCALFMM_ONLY_DEVEL AND SCALFMM_BUILD_UTILS)
    add_subdirectory(Utils)
  endif()

  ##################################################################
  #                Build -Tests to see examples                    #
  ##################################################################
  # Build - Tests
  message( STATUS "SCALFMM_BUILD_TESTS          = ${SCALFMM_BUILD_TESTS}" )
  if( SCALFMM_BUILD_TESTS )
    add_subdirectory(Tests)
  endif()

  ##################################################################
  #              Build - Unitary and numerical Tests               #
  ##################################################################
  #
  message( STATUS "SCALFMM_BUILD_UTESTS         = ${SCALFMM_BUILD_UTESTS}" )
  if( SCALFMM_BUILD_UTESTS )
    include(CTest)
    enable_testing()
    add_subdirectory(UTests)
  endif()

  ##################################################################
  #                           Add - doc                            #
  ##################################################################
  message(STATUS "SCALFMM_BUILD_DOC           =  ${SCALFMM_BUILD_DOC}" ) 
  if(SCALFMM_BUILD_DOC)
    add_subdirectory(Doc)
  endif()
  ##################################################################
  #                       Build - Addons                           #
  ##################################################################
  #
  if( SCALFMM_USE_ADDONS )
    file(GLOB all_addons ./Addons/*)
    # Options
    option( SCALFMM_ADDON_CKERNELAPI "Set to ON to build ScaFMM FMM API interface" OFF )

    foreach(addon_name ${all_addons})
      message(STATUS "Addons += ${addon_name}" )
      add_subdirectory(${addon_name})
    endforeach()
  endif()

  # Add custom clean command
  if("${CMAKE_GENERATOR}" MATCHES "Make")
    add_custom_target(reset
      COMMAND ${CMAKE_MAKE_PROGRAM} clean && rm -r ./CMake* && cmake ..
      WORKING_DIRECTORY ${CMAKE_CURRENT_DIR}
      COMMENT "Cleaning Build dir and CMake cache, then do cmake.."
      )
  endif()
  #
  ##################################################################
  #                                                                #
  #                  Build and export cmake files                  #
  #                                                                #
  ##################################################################
  #
  message(STATUS "SCALFMM_BINARY_DIR:          " ${SCALFMM_BINARY_DIR})
  configure_file(${SCALFMM_SOURCE_DIR}/ScalFMMConfig.cmake.in
    ${SCALFMM_BINARY_DIR}/ScalFMMConfig.cmake
    @ONLY IMMEDIATE
    )
  #
  install(FILES  ${SCALFMM_BINARY_DIR}/ScalFMMConfig.cmake  DESTINATION lib/  )
  if( SCALFMM_INSTALL_DATA )
    install(FILES  ${SCALFMM_SOURCE_DIR}/Data/test20k.fma  DESTINATION Data/   )
  endif()

  ##################################################################
  #                                                                #
  #              build a CPack driven installer package            #
  #                                                                #
  ##################################################################
  #
  # Use git commit number as CPACK_PACKAGE_VERSION_PATCH
  set(CPACK_PACKAGE_VERSION_PATCH 0)
  execute_process(
    COMMAND git rev-list HEAD --count
    OUTPUT_VARIABLE CPACK_PACKAGE_VERSION_PATCH
    RESULT_VARIABLE RET
    ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE
    )
  #string_TRIM(PATCH1 PATCH)
  set(CPACK_INCLUDE_TOPLEVEL_DIRECTORY "ON")
  #
  set (CPACK_RESOURCE_FILE_LICENSE  "${CMAKE_CURRENT_SOURCE_DIR}/Licence.txt")
  set(CPACK_PACKAGE_VERSION_MAJOR "${SCALFMM_MAJOR_VERSION}")
  set(CPACK_PACKAGE_VERSION_MINOR "${SCALFMM_MINOR_VERSION}")
  #
  set(PACK_PACKAGE_VERSION "${SCALFMM_MAJOR_VERSION}.${SCALFMM_MINOR_VERSION}-${CPACK_PACKAGE_VERSION_PATCH}")
  set(CPACK_SOURCE_GENERATOR "TGZ")
  set(CPACK_SOURCE_PACKAGE_FILE_NAME  "SCALFMM-${SCALFMM_MAJOR_VERSION}.${SCALFMM_MINOR_VERSION}-${CPACK_PACKAGE_VERSION_PATCH}")
  set(CPACK_SOURCE_IGNORE_FILES "\\\\.git;.DS_Store;.*~;/*.aux;/*.idx;/*.log;/*.out;/*.toc;/*.ilg;scalfmm.pro*;org.eclipse.core.resources.prefs;.cproject;.project")
  list(APPEND CPACK_SOURCE_IGNORE_FILES  "${CMAKE_CURRENT_BINARY_DIR};${CMAKE_CURRENT_SOURCE_DIR}/Utils/;Notes;Deprecated;/Build*;/noDist/;/Bench;ToRemove;Olivier;Addons/HMat")
  # Uniform;GroupTree;Adaptive;testUnif*;/*Lagrange*")
  #list(APPEND CPACK_SOURCE_IGNORE_FILES  "Stages;Uniform;Adaptive;testUnif*;*Lagrange*" )
  #
  include(CPack)
  #
  #
  ##################################################################
  #                                                                #
  #                      PRINT messages                            #
  #                                                                #
  ##################################################################
  message(STATUS "CPACK_SOURCE_IGNORE_FILES = ${CPACK_SOURCE_IGNORE_FILES}")
  message(STATUS "CPACK_SOURCE_PACKAGE_FILE_NAME = ${CPACK_SOURCE_PACKAGE_FILE_NAME}")
  #
  #                    Use Mem stats
  message(STATUS "SCALFMM_USE_MEM_STATS        = ${SCALFMM_USE_MEM_STATS}" )
  #                    Use Log
  message(STATUS "SCALFMM_USE_LOG              = ${SCALFMM_USE_LOG}" )
  #                    Use Assert
  message(STATUS "SCALFMM_USE_ASSERT           = ${SCALFMM_USE_ASSERT}" )
  #
  #message(STATUS "CMAKE_CXX_FLAGS   =  ${CMAKE_CXX_FLAGS}")
  #set(CMAKE_CXX_FLAGS "${SCALFMM_CXX_FLAGS} ${CMAKE_CXX_FLAGS}")
  message(STATUS "SCALFMM_USE_BLAS     =  ${SCALFMM_USE_BLAS}")
  message(STATUS "SCALFMM_USE_FFT       =  ${SCALFMM_USE_FFT}")
  message(STATUS "SCALFMM_USE_MKL      =   ${SCALFMM_USE_MKL}")
  # 
  message(STATUS "CMAKE_CXX_FLAGS     =  ${CMAKE_CXX_FLAGS}")
  message(STATUS "SCALFMM_CXX_FLAGS   =  ${SCALFMM_CXX_FLAGS}")
  message(STATUS "SCALFMM_LIBRARIES   =  ${SCALFMM_LIBRARIES}")
  message(STATUS "SCALFMM_INCLUDES    =  ${SCALFMM_INCLUDES}")
  ##################################################################
  #                               END                              #
  ##################################################################

else(MORSE_DISTRIB_DIR OR EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/morse/")

  message(STATUS "MORSE_DISTRIB_DIR is not set")
  message(STATUS "Please indicate where is located your MORSE distribution directory."
    " This is necessary to find cmake_modules.")
  message(STATUS "If you are a MORSE developer, you normally have access to the svn repository of the MORSE_DISTRIB_DIR: "
    "svn checkout svn+ssh://yourlogin@scm.gforge.inria.fr/svnroot/morse/trunk/morse_distrib")

endif(MORSE_DISTRIB_DIR OR EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/morse/")