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#
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# Copyright 2013-2021 Software Radio Systems Limited
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#
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# This file is part of srsLTE
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#
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# srsLTE is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of
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# the License, or (at your option) any later version.
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#
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# srsLTE is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# A copy of the GNU Affero General Public License can be found in
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# the LICENSE file in the top-level directory of this distribution
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# and at http://www.gnu.org/licenses/.
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#
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# - Try to find fftw3f - the single-precision version of FFTW3
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# Once done this will define
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# FFTW3F_FOUND - System has fftw3f
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# FFTW3F_INCLUDE_DIRS - The fftw3f include directories
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# FFTW3F_LIBRARIES - The libraries needed to use fftw3f
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# FFTW3F_DEFINITIONS - Compiler switches required for using fftw3f
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find_package(PkgConfig)
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pkg_check_modules(PC_FFTW3F "fftw3f >= 3.0")
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set(FFTW3F_DEFINITIONS ${PC_FFTW3F_CFLAGS_OTHER})
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find_path(FFTW3F_INCLUDE_DIR
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NAMES fftw3.h
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HINTS ${PC_FFTW3F_INCLUDEDIR} ${PC_FFTW3F_INCLUDE_DIRS} $ENV{FFTW3_DIR}/include
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PATHS /usr/local/include
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/usr/include )
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find_library(FFTW3F_STATIC_LIBRARY
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NAMES fftw3f.a libfftw3f.a libfftw3f-3.a
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HINTS ${PC_FFTW3F_LIBDIR} ${PC_FFTW3F_LIBRARY_DIRS} $ENV{FFTW3_DIR}/lib
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PATHS /usr/local/lib
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/usr/lib)
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find_library(FFTW3F_LIBRARY
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NAMES fftw3f libfftw3f libfftw3f-3
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HINTS ${PC_FFTW3F_LIBDIR} ${PC_FFTW3F_LIBRARY_DIRS} $ENV{FFTW3_DIR}/lib
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PATHS /usr/local/lib
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/usr/lib)
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set(FFTW3F_LIBRARIES ${FFTW3F_LIBRARY} )
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set(FFTW3F_STATIC_LIBRARIES ${FFTW3F_STATIC_LIBRARY} )
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set(FFTW3F_INCLUDE_DIRS ${FFTW3F_INCLUDE_DIR} )
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message(STATUS "FFTW3F LIBRARIES: " ${FFTW3F_LIBRARIES})
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message(STATUS "FFTW3F STATIC LIBRARIES: " ${FFTW3F_STATIC_LIBRARIES})
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message(STATUS "FFTW3F INCLUDE DIRS: " ${FFTW3F_INCLUDE_DIRS})
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include(FindPackageHandleStandardArgs)
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# handle the QUIETLY and REQUIRED arguments and set FFTW3F_FOUND to TRUE
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# if all listed variables are TRUE
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find_package_handle_standard_args(fftw3f DEFAULT_MSG
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FFTW3F_LIBRARY FFTW3F_INCLUDE_DIR)
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mark_as_advanced(FFTW3F_INCLUDE_DIR FFTW3F_STATIC_LIBRARY FFTW3F_LIBRARY )
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