ref: e9f6173ed24a3af48d776d890a3f7caafd48c373
dir: /cmake/FindFFTW.cmake/
# Adapted from: https://github.com/wjakob/layerlab/blob/master/cmake/FindFFTW.cmake # Copyright (c) 2015, Wenzel Jakob # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # * Redistributions of source code must retain the above copyright notice, this # list of conditions and the following disclaimer. # # * Redistributions in binary form must reproduce the above copyright notice, # this list of conditions and the following disclaimer in the documentation # and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # - Find FFTW # Find the native FFTW includes and library # # FFTW_INCLUDE_DIR - where to find fftw3.h # FFTW_LIBRARY - List of libraries when using FFTW. # FFTW_FOUND - True if FFTW found. if (FFTW_INCLUDE_DIR) # Already in cache, be silent set (FFTW_FIND_QUIETLY TRUE) endif (FFTW_INCLUDE_DIR) find_path (FFTW_INCLUDE_DIR fftw3.h) find_library (FFTW_LIBRARY NAMES fftw3) # handle the QUIETLY and REQUIRED arguments and set FFTW_FOUND to TRUE if # all listed variables are TRUE include (FindPackageHandleStandardArgs) find_package_handle_standard_args (FFTW DEFAULT_MSG FFTW_LIBRARY FFTW_INCLUDE_DIR) mark_as_advanced (FFTW_LIBRARY FFTW_INCLUDE_DIR)