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################################################################################
#
# \file cmake/FindMKL.cmake
# \author J. Bakosi
# \copyright 2012-2015, Jozsef Bakosi, 2016, Los Alamos National Security, LLC.
# \brief Find the Math Kernel Library from Intel
# \date Thu 26 Jan 2017 02:05:50 PM MST
#
# Modified by F. Spindler to make var advanced
################################################################################
# Find the Math Kernel Library from Intel
#
# MKL_FOUND - System has MKL
# MKL_INCLUDE_DIRS - MKL include files directories
# MKL_LIBRARIES - The MKL libraries
# MKL_INTERFACE_LIBRARY - MKL interface library
# MKL_SEQUENTIAL_LAYER_LIBRARY - MKL sequential layer library
# MKL_CORE_LIBRARY - MKL core library
#
# The environment variables MKLROOT and INTEL are used to find the library.
# Everything else is ignored. If MKL is found "-DMKL_ILP64" is added to
# CMAKE_C_FLAGS and CMAKE_CXX_FLAGS.
#
# Example usage:
#
# find_package(MKL)
# if(MKL_FOUND)
# target_link_libraries(TARGET ${MKL_LIBRARIES})
# endif()
# If already in cache, be silent
if (MKL_INCLUDE_DIRS AND MKL_LIBRARIES AND MKL_INTERFACE_LIBRARY AND
MKL_SEQUENTIAL_LAYER_LIBRARY AND MKL_CORE_LIBRARY)
set (MKL_FIND_QUIETLY TRUE)
endif()
# Only support of 64 bits architecture
if (CMAKE_CXX_SIZEOF_DATA_PTR EQUAL 8)
include(CheckTypeSize)
CHECK_TYPE_SIZE(int _sizeof_int)
if (_sizeof_int EQUAL 4)
set(INT_LIB "mkl_intel_lp64")
else()
set(INT_LIB "mkl_intel_ilp64")
endif()
set(SEQ_LIB "mkl_sequential")
set(THR_LIB "mkl_intel_thread")
set(COR_LIB "mkl_core")
endif()
find_path(MKL_INCLUDE_DIR NAMES mkl.h HINTS $ENV{MKLROOT}/include)
find_library(MKL_INTERFACE_LIBRARY
NAMES ${INT_LIB}
PATHS $ENV{MKLROOT}/lib
$ENV{MKLROOT}/lib/intel64
$ENV{INTEL}/mkl/lib/intel64
NO_DEFAULT_PATH)
find_library(MKL_SEQUENTIAL_LAYER_LIBRARY
NAMES ${SEQ_LIB}
PATHS $ENV{MKLROOT}/lib
$ENV{MKLROOT}/lib/intel64
$ENV{INTEL}/mkl/lib/intel64
NO_DEFAULT_PATH)
find_library(MKL_CORE_LIBRARY
NAMES ${COR_LIB}
PATHS $ENV{MKLROOT}/lib
$ENV{MKLROOT}/lib/intel64
$ENV{INTEL}/mkl/lib/intel64
NO_DEFAULT_PATH)
set(MKL_INCLUDE_DIRS ${MKL_INCLUDE_DIR})
set(MKL_LIBRARIES ${MKL_INTERFACE_LIBRARY} ${MKL_SEQUENTIAL_LAYER_LIBRARY} ${MKL_CORE_LIBRARY})
if (MKL_INCLUDE_DIR AND
MKL_INTERFACE_LIBRARY AND
MKL_SEQUENTIAL_LAYER_LIBRARY AND
MKL_CORE_LIBRARY)
else()
set(MKL_INCLUDE_DIRS "")
set(MKL_LIBRARIES "")
set(MKL_INTERFACE_LIBRARY "")
set(MKL_SEQUENTIAL_LAYER_LIBRARY "")
set(MKL_CORE_LIBRARY "")
endif()
# Handle the QUIETLY and REQUIRED arguments and set MKL_FOUND to TRUE if
# all listed variables are TRUE.
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(MKL DEFAULT_MSG MKL_LIBRARIES MKL_INCLUDE_DIRS MKL_INTERFACE_LIBRARY MKL_SEQUENTIAL_LAYER_LIBRARY MKL_CORE_LIBRARY)
MARK_AS_ADVANCED(MKL_INCLUDE_DIR MKL_INCLUDE_DIRS MKL_LIBRARIES MKL_INTERFACE_LIBRARY MKL_SEQUENTIAL_LAYER_LIBRARY MKL_CORE_LIBRARY)
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