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FindFFTW.cmake
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#===============================================================================
# @file FindFFTW.cmake
#
# @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
#
# @date creation: Sun Oct 19 2014
#
# @brief find_package for fftw
#
# @section LICENSE
#
# Copyright (©) 2015 EPFL (Ecole Polytechnique Fédérale de Lausanne) Laboratory
# (LSMS - Laboratoire de Simulation en Mécanique des Solides)
#
# Akantu is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Akantu. If not, see <http://www.gnu.org/licenses/>.
#
#===============================================================================
set(FFTW_VERSION "3" CACHE INTEGER "Version of FFTW required")
if (FFTW_FIND_VERSION)
set(FFTW_VERSION ${FFTW_FIND_VERSION} CACHE INTEGER "Version of FFTW required")
endif()
if (FFTW_VERSION EQUAL "2")
find_library(FFTW_LIBRARIES fftw
PATHS ${FFTW_DIR}
PATH_SUFFIXES fftw/.libs/ lib
)
find_path(FFTW_INCLUDE_PATH fftw.h
PATHS ${FFTW_DIR} $ENV{INCLUDE_PATH}
PATH_SUFFIXES include fftw
)
else()
find_library(FFTW_LIBRARIES fftw3
PATHS ENV LD_LIBRARY_PATH
)
find_library(FFTW_THREAD_LIBRARY fftw3_threads
PATHS ENV LD_LIBRARY_PATH
)
find_library(FFTW_OPENMP_LIBRARY fftw3_omp
PATHS ENV LD_LIBRARY_PATH
)
find_path(FFTW_INCLUDE_PATH fftw3.h
PATHS ENV INCLUDE_PATH
PATH_SUFFIXES include fftw
)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(FFTW DEFAULT_MSG
FFTW_LIBRARIES FFTW_INCLUDE_PATH)
if(NOT FFTW_FOUND)
set(FFTW_DIR "" CACHE PATH "Location of FFTW library.")
endif(NOT FFTW_FOUND)
mark_as_advanced(FFTW_LIBRARIES FFTW_OPENMP_LIBRARY FFTW_THREAD_LIBRARY FFTW_INCLUDE_PATH FFTW_VERSION)
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