2019-03-22 11:57:34 +01:00
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# - Find the FFTW library
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#
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# Usage:
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# find_package(FFTW [REQUIRED] [QUIET] )
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#
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# It sets the following variables:
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# FFTW_FOUND ... true if fftw is found on the system
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# FFTW_LIBRARIES ... full path to fftw library
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# FFTW_INCLUDES ... fftw include directory
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#
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# The following variables will be checked by the function
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# FFTW_USE_STATIC_LIBS ... if true, only static libraries are found
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# FFTW_ROOT ... if set, the libraries are exclusively searched
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# under this path
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# FFTW_LIBRARY ... fftw library to use
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# FFTW_INCLUDE_DIR ... fftw include directory
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#
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#If environment variable FFTWDIR is specified, it has same effect as FFTW_ROOT
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if( NOT FFTW_ROOT AND ENV{FFTWDIR} )
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set( FFTW_ROOT $ENV{FFTWDIR} )
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endif()
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# Check if we can use PkgConfig
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2019-09-10 06:15:40 +02:00
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find_package(PkgConfig QUIET)
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2019-03-22 11:57:34 +01:00
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#Determine from PKG
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if( PKG_CONFIG_FOUND AND NOT FFTW_ROOT )
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pkg_check_modules( PKG_FFTW QUIET "fftw3" )
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endif()
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#Check whether to search static or dynamic libs
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set( CMAKE_FIND_LIBRARY_SUFFIXES_SAV ${CMAKE_FIND_LIBRARY_SUFFIXES} )
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if( ${FFTW_USE_STATIC_LIBS} )
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set( CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_STATIC_LIBRARY_SUFFIX} )
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else()
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set( CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_SHARED_LIBRARY_SUFFIX} )
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endif()
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if( FFTW_ROOT )
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#find libs
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find_library(
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FFTW_LIB
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NAMES "fftw3"
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PATHS ${FFTW_ROOT}
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PATH_SUFFIXES "lib" "lib64"
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NO_DEFAULT_PATH
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)
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find_library(
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FFTWF_LIB
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NAMES "fftw3f"
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PATHS ${FFTW_ROOT}
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PATH_SUFFIXES "lib" "lib64"
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NO_DEFAULT_PATH
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)
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find_library(
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FFTWL_LIB
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NAMES "fftw3l"
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PATHS ${FFTW_ROOT}
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PATH_SUFFIXES "lib" "lib64"
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NO_DEFAULT_PATH
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)
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#find includes
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find_path(
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FFTW_INCLUDES
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NAMES "fftw3.h"
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PATHS ${FFTW_ROOT}
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PATH_SUFFIXES "include"
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NO_DEFAULT_PATH
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)
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else()
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find_library(
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FFTW_LIB
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NAMES "fftw3"
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PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
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)
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find_library(
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FFTWF_LIB
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NAMES "fftw3f"
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PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
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)
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find_library(
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FFTWL_LIB
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NAMES "fftw3l"
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PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
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)
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find_path(
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FFTW_INCLUDES
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NAMES "fftw3.h"
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PATHS ${PKG_FFTW_INCLUDE_DIRS} ${INCLUDE_INSTALL_DIR}
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)
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endif( FFTW_ROOT )
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set(FFTW_LIBRARIES ${FFTW_LIB} ${FFTWF_LIB})
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if(FFTWL_LIB)
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set(FFTW_LIBRARIES ${FFTW_LIBRARIES} ${FFTWL_LIB})
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endif()
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set( CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES_SAV} )
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(FFTW DEFAULT_MSG
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FFTW_INCLUDES FFTW_LIBRARIES)
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mark_as_advanced(FFTW_INCLUDES FFTW_LIBRARIES FFTW_LIB FFTWF_LIB FFTWL_LIB)
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