CMakeLists.txt

project(NNRelationExtraction)
cmake_minimum_required(VERSION 2.7 FATAL_ERROR)

set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)

set (EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin)

function(find_mkl)
  set(MKL_ARCH intel64)
  find_path(MKL_INCLUDE_DIR mkl.h
          PATHS ${MKL_ROOT} ${MKL_ROOT}/include)
  find_library(MKL_CORE_LIB NAMES mkl_intel_lp64 mkl_sequential mkl_core
          PATHS ${MKL_ROOT} ${MKL_ROOT}/lib/${MKL_ARCH}
          DOC "MKL core library path")

  find_library(MKL_COMPILER_LIB NAMES iomp5 libiomp5md
          PATHS ${MKL_ROOT} ${MKL_ROOT}/../compiler/lib/${MKL_ARCH}              #Windows
          ${MKL_ROOT}/../compilers_and_libraries/linux/lib/${MKL_ARCH}_lin #Linux
          DOC "MKL compiler lib (for threaded MKL)")

  if(MKL_INCLUDE_DIR AND MKL_CORE_LIB AND MKL_COMPILER_LIB)
    get_filename_component(MKL_CORE_LIB_DIR ${MKL_CORE_LIB} DIRECTORY)
    get_filename_component(MKL_COMPILER_LIB_DIR ${MKL_COMPILER_LIB} DIRECTORY)
    get_filename_component(MKL_COMPILER_LIB_FILE ${MKL_COMPILER_LIB} NAME)
    message(STATUS "Found MKL\n   * include: ${MKL_INCLUDE_DIR},\n   * core library dir: ${MKL_CORE_LIB_DIR},\n   * compiler library: ${MKL_COMPILER_LIB}")

    # Due to a conflict with /MT and /MD, MSVC needs mkl_intel_lp64 linked last, or we can change individual
    # projects to use /MT (mkl_intel_lp64 linked with /MT, default MSVC projects use /MD), or we can instead
    # link to the DLL versions. For now I'm opting for this solution which seems to work with projects still
    # at their default /MD. Linux build requires the mkl_intel_lp64 to be linked first. So...:
    if(MSVC)
      set(LIBS ${LIBS} mkl_sequential mkl_core mkl_intel_lp64 ${MKL_COMPILER_LIB_FILE} PARENT_SCOPE)
    else()
      set(LIBS ${LIBS} mkl_intel_lp64 mkl_sequential mkl_core ${MKL_COMPILER_LIB_FILE} PARENT_SCOPE)
    endif()
    include_directories(${MKL_INCLUDE_DIR})
    link_directories(${MKL_CORE_LIB_DIR} ${MKL_COMPILER_LIB_DIR})
    set(MKL_LINK_DIRS ${MKL_CORE_LIB_DIR} ${MKL_COMPILER_LIB_DIR} PARENT_SCOPE) # Keeping this for python build
  else()
    message(FATAL_ERROR "Failed to find MKL in path: ${MKL_ROOT} (Did you set MKL_ROOT properly?)")
  endif()
endfunction()

######## Cross-compiler, cross-platform options
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DEIGEN_FAST_MATH")
if (MKL)
  find_mkl()  # sets include/lib directories and sets ${LIBS} needed for linking
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DEIGEN_USE_MKL_ALL")
endif()

######## Compiler-specific options
if(MSVC)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DEIGEN_HAS_C99_MATH /MP")   # -Wall produces 20k warnings
else()
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-missing-braces -fopenmp")
endif()


if(CMAKE_BUILD_TYPE MATCHES Debug)
    SET( CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -w -msse3 -funroll-loops  -std=c++11 -O0 -pg" )
else()
    SET( CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -fPIC -funroll-loops -w -std=c++11 -Ofast -march=native" )
endif()
add_definitions( -DUSE_FLOAT )
add_definitions( -DEIGEN_DONT_PARALLELIZE )


include_directories(${EIGEN3_DIR})
include_directories(${N3L_DIR})

add_subdirectory(src)