CMakeLists.txt 27.1 KB
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 cmake_minimum_required (VERSION 2.8.3 FATAL_ERROR)
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if(CMAKE_MAJOR_VERSION GREATER 1 AND CMAKE_MINOR_VERSION GREATER 7 AND CMAKE_PATCH_VERSION GREATER 11)
  cmake_policy(SET CMP0022 OLD)
endif()
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cmake_policy(SET CMP0004 OLD)
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# check if compiling into source directories
STRING(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" insource)
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if(insource)
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    MESSAGE(FATAL_ERROR "${PROJECT_NAME} requires an out of source build. Goto ./Build and tapes cmake ../")
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endif(insource)
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SET(CMAKE_MODULE_PATH  ${CMAKE_SOURCE_DIR}/CMakeModules)
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#
# MPI option has to be set before project, cannot be changed in the cache!
if( ScalFMM_USE_MPI )
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        include(CMakeForceCompiler)
        CMAKE_FORCE_C_COMPILER(mpicc         "MPI C Compiler")
        CMAKE_FORCE_CXX_COMPILER(mpicxx   "MPI C++ Compiler")
        set(ScalFMM_USE_MPI ON CACHE BOOL   "ScalFmm use MPI")
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else()
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        MESSAGE(STATUS "Remove CMake cache and run cmake .. -DScalFMM_USE_MPI=ON to enable MPI" )
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endif(ScalFMM_USE_MPI)

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#
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# Project Infos
project(ScalFMM)
#===========================================================================
# Version Number
#===========================================================================

# ScalFMM version number.  An even minor number corresponds to releases.
SET(ScalFMM_MAJOR_VERSION 1)
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SET(ScalFMM_MINOR_VERSION 3)
SET(ScalFMM_PATCH_VERSION 0)
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SET(ScalFMM_VERSION  "${ScalFMM_MAJOR_VERSION}.${ScalFMM_MINOR_VERSION}.${ScalFMM_PATCH_VERSION}" )
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#
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# Active language
# -----------------------
ENABLE_LANGUAGE(CXX )
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#
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if( ScalFMM_USE_MPI )
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    TRY_COMPILE(COMPILE_INTEL  ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_MODULE_PATH}/compileTestIntel.cpp COMPILE_DEFINITIONS  "${CMAKE_CXX_FLAGS}")
    if (COMPILE_INTEL)
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       SET(CMAKE_CXX_COMPILER_ID  "Intel")
        endif()
        endif()
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MESSAGE(STATUS " CXX  ${CMAKE_CXX_COMPILER_ID}" )
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#
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# Options
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OPTION( ScalFMM_USE_BLAS                "Set to ON to build ScaFMM with BLAS" OFF )
OPTION( ScalFMM_USE_FFT                 "Set to ON to build ScaFMM with FFTW" OFF )
OPTION( ScalFMM_BUILD_TESTS             "Set to ON to build functionalities Tests" OFF )
OPTION( ScalFMM_BUILD_UTESTS            "Set to ON to build UTests" OFF )
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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_USE_DOUBLE_PRECISION "Set to ON to compile in double precision"    ON  )
OPTION( ScalFMM_ATTACHE_SOURCE       "Set to ON to compile with -g"                OFF )
OPTION( ScalFMM_USE_ADDONS           "Set to ON to compile add ons"                OFF )
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OPTION( ScalFMM_USE_SSE              "Set to ON to compile with SSE support"       ON  )
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OPTION( ScalFMM_USE_AVX              "Set to ON to compile with AVX support"       OFF  )
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OPTION( ScalFMM_USE_ASSERT           "Set to ON to enable safe tests during execution" ON  )
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OPTION( ScalFMM_USE_MIC_NATIVE       "Set to ON to compile in native mode for MIC" OFF  )
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OPTION( ScalFMM_BUILD_ONLY_LIB        "Set to ON to compile only the lib (examples are not compiled) " OFF  )
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OPTION( ScalFMM_ONLY_DEVEL             "Set to ON to compile Development tools (only scalfmm team)" ON )
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if( ScalFMM_ONLY_DEVEL )
  OPTION( ScalFMM_USE_STARPU      "Set to ON to build ScaFMM with StarPU" OFF )
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endif()
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# Set scalfmm to default libraries
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SET(SCALFMM_LIBRARIES "")
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SET(ScaLFMM_CXX_FLAGS "-std=c++11  -fpic  -Wall")
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#
#
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# Test if openmp is here
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#
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find_package (OpenMP)
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if(OPENMP_FOUND)
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        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}")
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else(OPENMP_FOUND)
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                MESSAGE(WARNING "OPENMP NOT FOUND")
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endif(OPENMP_FOUND)
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MESSAGE(STATUS "ScalFMM_BUILD_DEBUG = ${ScalFMM_BUILD_DEBUG}" )
#
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if(CMAKE_SIZEOF_VOID_P EQUAL 8)
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   SET(ScaLFMM_CXX_FLAGS  "${ScaLFMM_CXX_FLAGS} -m64")
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endif()
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##############################################################################
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#                      Compile options                                       #
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##############################################################################
#  -xHost -mfpmath=sse
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# -Wall Wnosign-conversion
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#
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if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
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# INTEL
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    IF (APPLE)
        SET(SSE_FLAGS  "-msse4  -mfpmath=sse")   # -mtune=native -march=native
    ELSE(APPLE)
        SET(AVX_FLAGS  "-mavx")
        SET(SSE_FLAGS  "-axSSE4.2")
    ENDIF(APPLE)
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    #-Wshadow -Wpointer-arith -Wcast-qual -Wconversion  -Wall -Wnosign-conversion ")
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else()
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    # NOT      INTEL
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    if(NOT ${ScalFMM_USE_MPI})
        SET(ScaLFMM_CXX_FLAGS  "${ScaLFMM_CXX_FLAGS}   -Wzero-as-null-pointer-constant")
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    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()
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    endif()
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    SET(AVX_FLAGS "-mtune=native -march=native")
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IF (APPLE)
    SET(SSE_FLAGS  "-msse3  -mfpmath=sse")   # -mtune=native -march=native
ELSE(APPLE)
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    SET(SSE_FLAGS  "-mtune=native -march=native")   # -mtune=native -march=native
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 ENDIF(APPLE)
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endif()
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##############################################################################
#     FUSE list                                                              #
##############################################################################
set(FUSE_LIST "")
# then do list(APPEND FUSE_LIST "BLAS") to protect from FUSE_BLAS
list(APPEND FUSE_LIST "MPI")

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##############################################################################
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#                                                        Debug      flags                                                                        #
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##############################################################################
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#
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if( ScalFMM_BUILD_DEBUG )
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#
# Compile Debug flags
#
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  SET(CMAKE_BUILD_TYPE Debug)
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  ADD_DEFINITIONS(-O0)
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  IF( APPLE )
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    SET(SCALFMM_FLAGS_OPTI_DEBUG "-m64  -funroll-loops" CACHE STRING "Set your optimization flags for debug mode.")
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  ELSE(APPLE)
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    if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
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        SET(SCALFMM_FLAGS_OPTI_DEBUG "-fp-model strict  -funroll-loops" CACHE STRING "Set your optimization flags for debug mode.")
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    else()
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        SET(SCALFMM_FLAGS_OPTI_DEBUG "-funroll-loops" CACHE STRING "Set your optimization flags for debug mode.")
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    endif()
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  ENDIF(APPLE)
#  ADD_DEFINITIONS(${SCALFMM_FLAGS_OPTI_DEBUG})
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SET(ScaLFMM_CXX_FLAGS  "${ScaLFMM_CXX_FLAGS} ${SCALFMM_FLAGS_OPTI_DEBUG}")
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  SET(CMAKE_CXX_FLAGS_TYPE  "${CMAKE_CXX_FLAGS_DEBUG}")
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else()
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##############################################################################
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#                          Release flags                                     #
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##############################################################################
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  SET(CMAKE_BUILD_TYPE Release)
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  # force -O3 in release
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  SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
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  STRING(REPLACE "-O2" "-O3" CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE} )
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  SET(CMAKE_CXX_FLAGS_TYPE  "${CMAKE_CXX_FLAGS_RELEASE}")
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  # if compiler is intel add -ip
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 IF(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
  SET(ScaLFMM_CXX_FLAGS  "${ScaLFMM_CXX_FLAGS} -ip")
#    SET(ScaLFMM_CXX_FLAGS  "${ScaLFMM_CXX_FLAGS} -ip -no-prec-div -no-prec-sqrt")
 ENDIF()
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  # Compile optimization
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  IF( APPLE )
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    SET(SCALFMM_FLAGS_OPTI_RELEASE "-m64  -funroll-loops" CACHE STRING "Set your optimization flags for release mode.")
  ELSE(APPLE)
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    # Not apple system - Check the compiler flags
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    if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
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#      SET(SCALFMM_FLAGS_OPTI_RELEASE "-fp-model precise -fp-model source -fimf-precision=low  -funroll-loops -ftree-vectorize" CACHE STRING "Set your optimization flags for release mode.")
      SET(SCALFMM_FLAGS_OPTI_RELEASE " " CACHE STRING "Set your optimization flags for release mode.")
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    else()
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      SET(SCALFMM_FLAGS_OPTI_RELEASE "-ffast-math -funroll-loops -ftree-vectorize" CACHE STRING "Set your optimization flags for release mode.")
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    endif()
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  ENDIF(APPLE)
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#
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  SET(ScaLFMM_CXX_FLAGS  "${ScaLFMM_CXX_FLAGS} ${SCALFMM_FLAGS_OPTI_RELEASE}")
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endif()
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#
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##############################################################################
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#                Attach source code to exec                                  #
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##############################################################################
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MESSAGE(STATUS "ScalFMM_ATTACHE_SOURCE       = ${ScalFMM_ATTACHE_SOURCE}" )
if( ScalFMM_ATTACHE_SOURCE )
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    MESSAGE( STATUS "Option -g is used, the code is attached to the binary." )
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    SET(ScaLFMM_CXX_FLAGS  "${ScaLFMM_CXX_FLAGS} -g")
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endif(ScalFMM_ATTACHE_SOURCE)
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#
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##############################################################################
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#                                               Blas option                                                                                       #
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##############################################################################
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#
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if( ScalFMM_USE_BLAS )
  OPTION( ScalFMM_USE_MKL_AS_BLAS "Set to ON to use MKL CBLAS" OFF )
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  MESSAGE(STATUS "CMAKE_CXX_COMPILER_ID STREQUAL  ${CMAKE_CXX_COMPILER_ID}")
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  if( ScalFMM_USE_MKL_AS_BLAS )
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        IF(CMAKE_CXX_COMPILER_ID STREQUAL "Intel" )
              SET(BLAS_LIBRARIES  "-mkl=sequential" CACHE STRING "Set your MKL flags")
        else()
              SET(BLAS_LIBRARIES
                       "-L$ENV{MKLROOT}/lib;-lmkl_intel_lp64;-lmkl_sequential;-lmkl_core" CACHE STRING "Set your MKL flags")
         ENDIF()
         UNSET(LAPACK_LIBRARIES)
         SET(BLASLAPACK_LIBRARIES ${BLAS_LIBRARIES})
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  elseif(ScalFMM_USE_EXTERNAL_BLAS)
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         MESSAGE(STATUS "BLAS SET BY EXTERNAL PROGRAM = ${BLAS_LIBRARIES}")
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  else()
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        INCLUDE(FindBLAS)
        if (NOT BLAS_FOUND)
           MESSAGE(FATAL_ERROR : "NO BLAS LIBRARY FOUND")
        endif()
        INCLUDE(FindLAPACK)
        SET(BLASLAPACK_LIBRARIES "${BLAS_LIBRARIES};${LAPACK_LIBRARIES}")
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  endif()
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  SET(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES};${BLASLAPACK_LIBRARIES}")
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  MESSAGE(STATUS "SCALFMM_LIBRARIES          = ${SCALFMM_LIBRARIES}")
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endif(ScalFMM_USE_BLAS)
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list(APPEND FUSE_LIST "BLAS")
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#
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# FFT option
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#
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if( ScalFMM_USE_FFT )
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  OPTION( ScalFMM_USE_MKL_AS_FFTW "Set to ON to use MKL FFTW" OFF )
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  MESSAGE(STATUS "SCALFMM USE FFT Configure:")
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  if( ScalFMM_USE_MKL_AS_FFTW )
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        MESSAGE(STATUS "         SCALFMM USE MKL ")
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     if( ScalFMM_USE_MKL_AS_BLAS )
       UNSET(FFT_LIBRARIES CACHE)
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                MESSAGE(STATUS "         SCALFMM USE MKL already defined")
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                SET(FFT_INCLUDES "$ENV{MKLROOT}/include/fftw" CACHE STRING "Set your MKL flags")
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        ELSE(ScalFMM_USE_MKL_AS_BLAS)
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             SET(FFT_LIBRARIES "-L$ENV{MKLROOT}/lib; -lmkl_intel_lp64; -lmkl_sequential; -lmkl_core; -lpthread; -lm" CACHE STRING "Set your MKL flags")
             SET(FFT_INCLUDES "$ENV{MKLROOT}/include/fftw" CACHE STRING "Set your MKL flags")
            SET(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES}; ${FFT_LIBRARIES}")
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        ENDIF(ScalFMM_USE_MKL_AS_BLAS)
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      else(ScalFMM_USE_MKL_AS_FFTW)
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        MESSAGE(STATUS "         SCALFMM USE FFTW ")
        SET(FFT_LIBRARIES "-lfftw3" CACHE STRING "Use LIBFFTW")
        SET(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES}; ${FFT_LIBRARIES}")
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  endif(ScalFMM_USE_MKL_AS_FFTW)
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  SET(SCALFMM_INCLUDES "${SCALFMM_INCLUDES}; ${FFT_INCLUDES}")
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  MESSAGE(STATUS "         SCALFMM_LIBRARIES          = ${SCALFMM_LIBRARIES}")
  MESSAGE(STATUS "         SCALFMM_INCLUDES          = ${SCALFMM_INCLUDES}")
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endif(ScalFMM_USE_FFT)
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list(APPEND FUSE_LIST "FFT")
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# Compile option
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#ADD_DEFINITIONS(-Wall -Wshadow -Wpointer-arith -Wcast-qual -Wconversion -fpic )
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#
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# C++ 2011
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   MESSAGE( STATUS "CMAKE_SYSTEM:   ${CMAKE_SYSTEM}  CMAKE_CXX_COMPILER_ID ${CMAKE_CXX_COMPILER_ID}  CMAKE_CXX_COMPILER ${NAME}")
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IF(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
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  execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE INTEL_VERSION)
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    MESSAGE( STATUS "Intel:   ${INTEL_VERSION}")
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  IF(APPLE)
    string(FIND ${CMAKE_CXX_COMPILER}  "icl++" NAME)
    if( ${NAME} GREATER  0)
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      if(  ${INTEL_VERSION} EQUAL 15. OR  ${INTEL_VERSION} GREATER 15.0.0)
        MESSAGE( STATUS "  Intel compiler is icl++ ( version >= 15.0.0)")
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        SET(INTEL_ICL_COMPILER "ON")
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      else()
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        MESSAGE(FATAL_ERROR  "  Intel compiler should be icl++ ( version >= 15.0.0)")
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      endif()
    else()
      MESSAGE(FATAL_ERROR  "  Intel compiler should be icl++ ( version >= 15.0.0)")
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    endif()
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  endif()
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endif()
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#
##################################################################
##################################################################
#
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MESSAGE( STATUS "ScalFMM_USE_STARPU             = ${ScalFMM_USE_STARPU}" )
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if( ScalFMM_USE_STARPU )
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    SET(STARPU_LIBRARIES " -L$ENV{STARPU_LIB}; -lstarpu-$ENV{STARPU_VERSION}") # CACHE STRING "Set your STARPU flags"
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    if(ScalFMM_USE_MPI)
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        SET(STARPU_LIBRARIES "${STARPU_LIBRARIES} -lstarpumpi-$ENV{STARPU_VERSION}")
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    endif()
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    SET(STARPU_INCLUDES "$ENV{STARPU_INC}" ) # CACHE STRING "Set your STARPU flags"
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    SET(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES}; ${STARPU_LIBRARIES}")
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    include_directories(${STARPU_INCLUDES})
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    MESSAGE(STATUS "         STARPU_LIBRARIES          = ${STARPU_LIBRARIES}")
    MESSAGE(STATUS "         STARPU_INCLUDES           = ${STARPU_INCLUDES}")
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    OPTION( ScalFMM_USE_CUDA      "Set to ON to use CUDA with StarPU" OFF )
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    MESSAGE( STATUS "ScalFMM_USE_CUDA             = ${ScalFMM_USE_CUDA}" )
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      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" 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}" )
         
            # Add libcudart and cuda.h
            # link_directories($ENV{CUDA_LIB})
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            include_directories($ENV{CUDA_INC})
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            SET(SCALFMM_LIBRARIES "${SCALFMM_LIBRARIES}; -L$ENV{CUDA_LIB}; -lcudart")
      endif()
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      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()
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endif(ScalFMM_USE_STARPU)
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list(APPEND FUSE_LIST "STARPU")
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list(APPEND FUSE_LIST "CUDA")
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list(APPEND FUSE_LIST "OPENCL")
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#
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##################################################################
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#                                               Use SSE                                                                     #
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##################################################################
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MESSAGE( STATUS "ScalFMM_USE_SSE              = ${ScalFMM_USE_SSE}" )
if( ScalFMM_USE_SSE )
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        if(NOT EXISTS ${CMAKE_MODULE_PATH}/compileTestSse.cpp)
                message(FATAL_ERROR "The CompileTestSseFile does not exist (${CMAKE_MODULE_PATH}/compileTestSse.cpp)" )
        endif()
        MESSAGE( STATUS "SSE_FLAGS ${SSE_FLAGS}  -- ${CMAKE_CXX_FLAGS}  ")
        TRY_COMPILE(COMPILE_SSE  ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_MODULE_PATH}/compileTestSse.cpp COMPILE_DEFINITIONS  "${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}
                                                     ${CMAKE_MODULE_PATH}/checkSSEpe.cpp  COMPILE_DEFINITIONS  "${CMAKE_CXX_FLAGS} ${SSE_FLAGS}")
                IF( NOT ${COMPILE_RESULT_VAR})
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                         SET(__SSEPE_INTEL_COMPILER ON)
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                ENDIF()
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  #		SET(ScalFMM_USE_AVX OFF)
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        ELSE(${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})
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endif()
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list(APPEND FUSE_LIST "SSE")
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##################################################################
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#                                                Use AVX                                                                   #
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##################################################################
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MESSAGE(STATUS "ScalFMM_USE_AVX               = ${ScalFMM_USE_AVX}")
if(ScalFMM_USE_AVX)
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        if(NOT EXISTS ${CMAKE_MODULE_PATH}/compileTestAvx.cpp)
                message(FATAL_ERROR "The CompileTestSseFile does not exist (${CMAKE_MODULE_PATH}/compileTestAvx.cpp)" )
        endif()

        TRY_COMPILE(COMPILE_AVX  ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_MODULE_PATH}/compileTestAvx.cpp COMPILE_DEFINITIONS  "${CMAKE_CXX_FLAGS}  ${AVX_FLAGS}" OUTPUT_VARIABLE COMPILE_AVX_OUTPUT)
        IF(${COMPILE_AVX})
              SET(ScaLFMM_CXX_FLAGS "${ScaLFMM_CXX_FLAGS}   ${AVX_FLAGS}")
#             SET( ScalFMM_USE_SSE   OFF   FORCE) # ne marche pas
                        TRY_COMPILE(COMPILE_RESULT_AVSPE  ${CMAKE_CURRENT_BINARY_DIR}
                          ${CMAKE_MODULE_PATH}/checkAVXpe.cpp  COMPILE_DEFINITIONS  "${CMAKE_CXX_FLAGS} ${AVX_FLAGS}")
                        IF( NOT ${COMPILE_RESULT_AVSPE})
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                                  SET(__AVXPE_INTEL_COMPILER ON)
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                        ENDIF()

                MESSAGE(STATUS ${CMAKE_CXX_FLAGS} )
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ELSE(${COMPILE_AVX})
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                 MESSAGE(FATAL_ERROR "AVX NOT SUPPORTED ; Set ScalFMM_USE_AVX  to OFF \n Output from test is : ${COMPILE_AVX_OUTPUT} ")
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ENDIF(${COMPILE_AVX})
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endif(ScalFMM_USE_AVX)
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list(APPEND FUSE_LIST "AVX")
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#
# 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)
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##################################################################
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#                     Use  native MIC compilation                                          #
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##################################################################
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if( ScalFMM_USE_MIC_NATIVE )
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    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()
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    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmic")
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else()
 # SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -xhost")
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ENDIF()
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list(APPEND FUSE_LIST "MIC")
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##################################################################
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#
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##################################################################
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#
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# Add CBLAS
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#set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}  ${CBLAS_LIBRARIES}")
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# SI CBLAS necessaire utiliser la ligne cidessous
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#SET(SCALFMM_LIBRARIES   "${CBLAS_LIBRARIES} ${SCALFMM_LIBRARIES} ")
#
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##################################################################
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#                                                                                                                                #
#                                            END SETTING VARIABLES                                              #
#                                                                                                                                #
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##################################################################
#
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# Generate  ScalFmmConfig.h
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#
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SET(ScalFMM_COMPILE_FLAGS "${ScaLFMM_CXX_FLAGS} ${CMAKE_CXX_FLAGS_TYPE} ${CMAKE_CXX_FLAGS}")
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SET(ScalFMM_COMPILE_LIBS   "${SCALFMM_LIBRARIES} ")
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CONFIGURE_FILE( ${CMAKE_CURRENT_SOURCE_DIR}/Src/ScalFmmConfig.h.cmake
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        ${CMAKE_BINARY_DIR}/Src/ScalFmmConfig.h  )
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#
##################################################################
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#                                        Build - lib                                                                         #
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##################################################################
#
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add_subdirectory(Src)
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# Link with scalfmm lib
set(scalfmm_lib scalfmm)
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#
##################################################################
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#                                        Remove compilation  of the drivers                                 #
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##################################################################
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if( NOT ScalFMM_BUILD_ONLY_LIB )
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# Build - Examples and drivers
add_subdirectory(Examples)
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endif()
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##################################################################
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#                                        Build tools (Internal use)                                                  #
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##################################################################
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# Build - UTILs
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if( ScalFMM_ONLY_DEVEL )
#if( NOT ScalFMM_BUILD_ONLY_LIB )
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    add_subdirectory(Utils)
endif()
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##################################################################
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#                                        Build -Tests to see examples                                           #
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##################################################################
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# Build - Tests
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MESSAGE( STATUS "ScalFMM_BUILD_TESTS          = ${ScalFMM_BUILD_TESTS}" )
if( ScalFMM_BUILD_TESTS )
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        add_subdirectory(Tests)
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endif()

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##################################################################
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#                                        Build - Unitary and numerical Tests                                 #
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##################################################################
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#
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MESSAGE( STATUS "ScalFMM_BUILD_UTESTS         = ${ScalFMM_BUILD_UTESTS}" )
if( ScalFMM_BUILD_UTESTS )
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        INCLUDE(CTest)
        ENABLE_TESTING()
        add_subdirectory(UTests)
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endif()
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##################################################################
#                                           Add - doc                                                                     #
##################################################################
#
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add_subdirectory(Doc)
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##################################################################
#                                           Build - Addons                                                              #
##################################################################
#
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if( ScalFMM_USE_ADDONS )
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        file(GLOB all_addons ./Addons/*)
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        # Options
        OPTION( ScalFMM_ADDON_CKERNELAPI "Set to ON to build ScaFMM FMM API interface" OFF )
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        foreach(addon_name ${all_addons})
                MESSAGE(STATUS "Addons += ${addon_name}" )
                add_subdirectory(${addon_name})
        endforeach()
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endif()

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# Add custom clean command
if("${CMAKE_GENERATOR}" MATCHES "Make")
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        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.."
                )
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endif()
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#
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##################################################################
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#                                                                                                                                #
#                                   Build and export cmake files                                                 #
#                                                                                                                                #
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##################################################################
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#
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MESSAGE(STATUS "ScalFMM_BINARY_DIR:          " ${ScalFMM_BINARY_DIR})
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CONFIGURE_FILE(${ScalFMM_SOURCE_DIR}/ScalFMMConfig.cmake.in
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               ${ScalFMM_BINARY_DIR}/ScalFMMConfig.cmake
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               @ONLY IMMEDIATE
               )
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#
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INSTALL(FILES
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  ${ScalFMM_BINARY_DIR}/ScalFMMConfig.cmake
  DESTINATION lib/
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  )
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  IF( NOT ScalFMM_BUILD_ONLY_LIB)
    INSTALL(FILES
                ${ScalFMM_SOURCE_DIR}/Data/test20k.fma
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        DESTINATION Data/
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  )
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  endif()
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 #################################################################
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#                                                                                                                                #
#                               build a CPack driven installer package                                       #
#                                                                                                                                #
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##################################################################
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#
# Use git commit number as   CPACK_PACKAGE_VERSION_PATCH
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set(CPACK_PACKAGE_VERSION_PATCH 0)
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execute_process(
        COMMAND git rev-list HEAD --count
        OUTPUT_VARIABLE CPACK_PACKAGE_VERSION_PATCH
        RESULT_VARIABLE RET
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        ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE
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 )
 #STRING_TRIM(PATCH1 PATCH)
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SET(CPACK_INCLUDE_TOPLEVEL_DIRECTORY "ON")
#
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set (CPACK_RESOURCE_FILE_LICENSE  "${CMAKE_CURRENT_SOURCE_DIR}/Licence.txt")
SET(CPACK_PACKAGE_VERSION_MAJOR "${ScalFMM_MAJOR_VERSION}")
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SET(CPACK_PACKAGE_VERSION_MINOR "${ScalFMM_MINOR_VERSION}")
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#
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SET(PACK_PACKAGE_VERSION "${ScalFMM_MAJOR_VERSION}.${ScalFMM_MINOR_VERSION}-${CPACK_PACKAGE_VERSION_PATCH}")
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SET(CPACK_SOURCE_GENERATOR "TGZ")
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SET(CPACK_SOURCE_PACKAGE_FILE_NAME  "ScalFMM-${ScalFMM_MAJOR_VERSION}.${ScalFMM_MINOR_VERSION}-${CPACK_PACKAGE_VERSION_PATCH}")
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SET(CPACK_SOURCE_IGNORE_FILES "\\\\.git;.DS_Store;.*~;/*.aux;/*.idx;/*.log;/*.out;/*.toc;/*.ilg;/*.ind;scalfmm.pro*;org.eclipse.core.resources.prefs;.cproject;.project")
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LIST(APPEND CPACK_SOURCE_IGNORE_FILES  "${CMAKE_BINARY_DIR};${CMAKE_SOURCE_DIR}/Utils/;Notes;Deprecated;/Build*;/noDist/;/Bench;ToRemove;Olivier")
# Uniform;GroupTree;Adaptive;testUnif*;/*Lagrange*")
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#LIST(APPEND CPACK_SOURCE_IGNORE_FILES  "Stages;Uniform;Adaptive;testUnif*;*Lagrange*" )
#
INCLUDE(CPack)
#
#
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 ##################################################################
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#                                                                                                                                 #
#                                               PRINT MESSAGES                                                        #
#                                                                                                                                 #
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 ##################################################################
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message(STATUS "CPACK_SOURCE_IGNORE_FILES = ${CPACK_SOURCE_IGNORE_FILES}")
message(STATUS "CPACK_SOURCE_PACKAGE_FILE_NAME = ${CPACK_SOURCE_PACKAGE_FILE_NAME}")
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#
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 #                    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}" )
 #
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 #MESSAGE(STATUS "CMAKE_CXX_FLAGS   =  ${CMAKE_CXX_FLAGS}")
 #SET(CMAKE_CXX_FLAGS "${ScaLFMM_CXX_FLAGS} ${CMAKE_CXX_FLAGS}")
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MESSAGE(STATUS "CMAKE_CXX_FLAGS     =  ${CMAKE_CXX_FLAGS}")
MESSAGE(STATUS "SCALFMM_CXX_FLAGS =  ${ScaLFMM_CXX_FLAGS}")
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MESSAGE(STATUS "SCALFMM_LIBRARIES   =  ${SCALFMM_LIBRARIES}")
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MESSAGE(STATUS "SCALFMM_INCLUDES   =  ${SCALFMM_INCLUDES}")
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 ##################################################################
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#                                                        END                                                                  #
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 ##################################################################