shithub: libsamplerate

ref: 313685a7a94db5e8147c470ced811f03f3d2733c
dir: /cmake/FindFFTW.cmake/

View raw version
# 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)