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#=============================================================================
# SPDX-FileCopyrightText: 2019 Harald Sitter <sitter@kde.org>
#
# SPDX-License-Identifier: BSD-3-Clause
#=============================================================================
find_package(PkgConfig QUIET)
pkg_check_modules(PC_FFTW3 fftw3 QUIET)
find_library(FFTW3_LIBRARIES
NAMES fftw3
HINTS ${PC_FFTW3_LIBRARY_DIRS}
)
find_path(FFTW3_INCLUDE_DIR
NAMES fftw3.h
HINTS ${PC_FFTW3_INCLUDE_DIRS}
PATH_SUFFIXES fftw3
)
set(FFTW3_VERSION ${PC_FFTW3_VERSION})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(FFTW3
REQUIRED_VARS
FFTW3_LIBRARIES
FFTW3_INCLUDE_DIR
VERSION_VAR
FFTW3_VERSION
)
if(FFTW3_FOUND AND NOT TARGET FFTW3::FFTW3)
add_library(FFTW3::FFTW3 UNKNOWN IMPORTED)
set_target_properties(FFTW3::FFTW3 PROPERTIES
IMPORTED_LOCATION "${FFTW3_LIBRARIES}"
INTERFACE_COMPILE_OPTIONS "${PC_FFTW3_CFLAGS}"
INTERFACE_INCLUDE_DIRECTORIES "${FFTW3_INCLUDE_DIR}"
)
else()
set(FFTW3_LIBRARIES "")
endif()
mark_as_advanced(FFTW3_LIBRARIES FFTW3_INCLUDE_DIR FFTW3_VERSION)
include(FeatureSummary)
set_package_properties(FFTW3 PROPERTIES
DESCRIPTION "Computing the Discrete Fourier Transform in one or more dimensions"
URL "http://fftw.org/"
)
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